How much is 19,000,000,000?
It's about 400,000 times the number of Seats in The Colosseum

The count of Seats in The Colosseum is about 50,000.
(a.k.a. The Coliseum, a.k.a. Flavian Amphitheatre, a.k.a. Amphitheatrum Flavium, a.k.a. Anfiteatro Flavio or Colosseo) (Rome) (estimated)
Built between 70 and 80 AD, The Colosseum was a central attraction of Rome, capable of seating 50,000 spectators for various events including plays, war reenactments, and gladiatorial matches. The structure was estimated to require 100,000 cu. m of stone to construct. It remains the largest amphitheater in the world.
It's about 500,000 times the number of Seats in Fenway Park

The count of Seats in Fenway Park is about 37,071.
(2013 figures; daytime capacity) (a.k.a. The Cathedral of Boston) (Boston, Massachusetts)
Fenway Park, the home of the Boston Red Sox baseball team, can accommodate 37,071 spectators when configured for daytime seating. Fenway Park holds the record for most consecutive sellout games, with a streak of 794 sellouts that ended in 2013. This figure is a dramatic turnaround from the attendance in 1965, which was at times as low as just 500 people.
It's about 550,000 times the number of McDonald's Locations in the World
The count of McDonald's Locations in the World is about 36,000.
(2015 figures) (approximate)
Operating in 119 countries, there are currently 36,000 McDonald's locations worldwide. From 1955 thru 1993, many McDonald's locations advertised the number in billions of hamburgers sold on their external signs, but abandoned theses updates after the figure passed 100 billion.
It's about 2,000,000 times the number of Benches in Central Park

The count of Benches in Central Park is about 9,000.
(Manhattan, New York City, New York)
Central Park — the 843-acre park located in the heart of New York City — contains about 9,000 park benches. The park is one of the most famous in the world and entertains over 35 million visitors each year.
It's about 2,000,000 times the number of Written Characters in the Chinese Language
The count of Written Characters in the Chinese Language is about 9,353.
(zhōngwén, 中文) (Hànzì, 汉字/漢字; Shuowen Jiezi count; distinct characters)
According to the Han Dynasty dictionary, Shuowen Jiezi (說文解字), there are 9,353 distinct Han characters used to depict the Chinese language. Fluency in written Chinese requires mastery of 4,000 - 5,000 of these characters.
It's about 2,000,000 times the number of Blue Whales in the World
The count of Blue Whales in the World is about 8,500.
(Balaenoptera musculus) (2002 estimates)
The worldwide population of blue whales (as of 2002) is estimated to be between 5,000 and 12,000. An estimated 378,200 blue whales were killed during the height of whaling in the late nineteenth and early twentieth centures
It's about 3,500,000 times the number of Bishops in the Catholic Church
The count of Bishops in the Catholic Church is about 5,352.
(2015 figures; total Latin and Eastern Church figures; including Pope)
It's about 9,000,000 times the number of Daily Newspapers in Circulation Worldwide
The count of Daily Newspapers in Circulation Worldwide is about 2,111.
(2013 figures) (regional and local, plus national figures; paid only)
There are 2,111 paid, daily newspapers with a regional, local, or national distribution in circulation worldwide. Combined, these newspapers have a readership of about 150 million people.
It's about 9,000,000 times the number of Steps in the Sears Tower

The count of Steps in the Sears Tower is about 2,109.
(a.k.a. Willis Tower) (Chicago, Illinois) (steps per stairwell)
The Sears Tower extends 108 stories into the sky above the city of Chicago and includes 2,109 steps in each of its stairwells. Each year, more than 1.3 million visitors make the trip to an observation area called the Skydeck on the 103rd floor.
It's about 15,000,000 times the number of Golf Courses in Florida

The count of Golf Courses in Florida is about 1,518.
(2016 figures) (public and private)
It's about 20,000,000 times the number of Kernels on an Ear of Corn
The count of Kernels on an Ear of Corn is about 800.
(Corn, a.k.a. Maize; Kernel a.k.a. Seed) (average) (for Dent Corn, a.k.a. field corn)
It's about 25,000,000 times the number of Population of Vatican City

The count of Population of Vatican City is about 842.
(a.k.a. Vatican City State, a.k.a. Stato della Città del Vaticano, a.k.a. Status Civitatis Vaticanae) (Rome, Italy) (2014 estimates; permanent residents only)
Vatican City, the seat of the Roman Catholic Church, is the smallest internationally recognized state in the world, with a population of just 842 people (according to a 2004 estimate). Each year, approximately 18 million tourists visit The City.
It's about 25,000,000 times the number of Inductees in the Rock and Roll Hall of Fame
The count of Inductees in the Rock and Roll Hall of Fame is about 749.
(November, 2015 figures) (including individuals and groups)
It's about 30,000,000 times the number of Members of Parliament (The U.K.)

The count of Members of Parliament (The U.K.) is about 650.
(a.k.a. MPs) (2016 figures) (formally "Members of the House of Commons of the Parliament of the United Kingdom of Great Britain and Northern Ireland")
It's about 35,000,000 times the number of Stores in the Mall of America

The count of Stores in the Mall of America is about 520.
(a.k.a. MOA, a.k.a. MoA, a.k.a. Megamall) (Bloomington, Minnesota) (2015 figures) (approximate)
Minnesota's Mall of America is home to 520 stores and attractions, including a wedding chapel, aquarium, and amusement park. Each year, an estimated 42 million people visit The Mall.