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0.000000001350 megatonnes is about three-and-a-half times as heavy as a Football (American)
In other words, it's 3.2841274918580 times the weight of a Football (American), and the weight of a Football (American) is 0.30449487800920 times that amount.
(a.k.a. "pigskin") (NFL standard)
Per National Football League official rules, an American football must weigh between 0.000000000396893323750 megatonnes and 0.0000000004252428468750 megatonnes. Because of NFL regulations, ceremonial considerations, and backup requirements, each NFL Superbowl requires the manufacture of 144 balls exclusively for the event.
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