Did you know? Pop. of Hanoi, Vietnam (7.23 million people) is about as big as Pop. of Baghdad, Iraq (7.18 million people)
Magnitude:
Multiple: - thousand million billion trillion quadrillion quintillion sextillion septillion 10^27 10^30 10^33 10^36 10^39 10^42
Unit: kilometer meter centimeter millimeter mile yard foot inch
