It's about 550,000 times as heavy as a Brick
In other words, 1,590,000 kilograms is 550,000 times the weight of a Brick, and the weight of a Brick is 0.0000018 times that amount.(Standard, traditional face brick - 1,900 cu. cm (120 cu. in))
A standard, traditional face brick weighs an average of 2.9 kg. The steeple of the Church of St. Martin in Landshut, Germany is said to be the tallest brick tower in the world at a height of 130.6 m (428.5 ft) and was constructed using an estimated 650,000 bricks.
It's about 700,000 times as heavy as a Chihuahua
In other words, 1,590,000 kilograms is 707,000 times the weight of a Chihuahua, and the weight of a Chihuahua is 0.00000141 times that amount.(a.k.a. Chihuahue(o) (FCI standard)
The F&d&ration Cynologique Internationale (FCI) calls for Chihuahuas to weigh about 1.5 to 3 kg. Relative to their body sizes, Chihuahuas have the largest brain size of any dog breed.
It's about 1,000,000 times as heavy as a Human Brain
In other words, 1,590,000 kilograms is 1,180,000 times the weight of a Human Brain, and the weight of a Human Brain is 0.000000847 times that amount.(adult)
The average weight of an adult human brain is between 1.350 kilograms. In humans and primates, sight and vision utilize about 30 different parts of the brain which together account for about half of the brain's size.
It's about 1,500,000 times as heavy as a liter of Water
In other words, 1,590,000 kilograms is 1,589,955 times the weight of a liter of Water, and the weight of a liter of Water is 0.0000006289486 times that amount.(fresh; 4° C / 39.2° F; maximum density)
Contrary to popular belief, 1 liter (0.0.264172052358148 gal) of water at 4° C / 39.2° F (its point of maximum density) weighs 1.000028 kg rather than 1 kg exactly. The total volume of water on the planet Earth is about 13,590,000,000,000,000,000 (13.59 quntillion) L (3,590,000,000,000,000,000 gallons).
It's about 2,500,000 times as heavy as a Basketball
In other words, 1,590,000 kilograms is 2,549,345.4318 times the weight of a Basketball, and the weight of a Basketball is 0.00000039225755267 times that amount.(NBA official ball standards, Size 7)
A regulation NBA basketball, manufactured by Spalding, is known as a Size 7 ball and weighs 0.623689508750 kilograms. These balls have 4,118 pebbles each with a diameter of 2.5 mm
It's about 3,500,000 times as heavy as a Football (Soccer)
In other words, 1,590,000 kilograms is 3,700,000 times the weight of a Football (Soccer), and the weight of a Football (Soccer) is 0.00000027 times that amount.(a.k.a. Soccer, a.k.a. Association Football) (FIFA Law 2 specification)
According to FIFA's Law of the Game number 2, a football must weigh between 0.410 kilograms and 0.450 kilograms. An artifact on display at the Smith Art Gallery in Museum in Stirling, Scotland is said to be the world's oldest football and is about one-third to one-half the size of a modern football.
It's about 4,000,000 times as heavy as a Football (American)
In other words, 1,590,000 kilograms is 3,867,972.379299 times the weight of a Football (American), and the weight of a Football (American) is 0.000000258533386989 times that amount.(a.k.a. "pigskin") (NFL standard)
Per National Football League official rules, an American football must weigh between 0.396893323750 kilograms and 0.4252428468750 kilograms. Because of NFL regulations, ceremonial considerations, and backup requirements, each NFL Superbowl requires the manufacture of 144 balls exclusively for the event.