Things that equal a billion

Answer 1

A billion (one thousand million) is equal to:

* the number of cubic millimeters in a cubic meter * the number of pennies needed to equal 10 million dollars * the number of dollar bills in a stack of bills almost 16 miles high * the number of American nickels in 200,000 tonnes of nickels * one seventh of the humans on Earth * half the number of bacteria on your skin