What comes after million billion trillion etc? How far can we count?
# of 0’s: how to say 3 thousand 6 million 9 billion 12 trillion 15 quadrillion 18 quintillion 21 sextillion 24 septillion 27 octillion 30 nonillion 33 decillion 36 undecillion 39 duodecillion 42 tredecillion 45 quattuordecillion 48 quindecillion 51 sexdecillion 54 septendecillion 57 octodecillion 60 novemdecillion 63 vigintillion
