million billion trillion

Number of zeros	U.S. & scientific community	Example
3*1=3	thousand	1,000
3*2=6	million	1,000,000
3*3=9	billion	1,000,000,000
3*4=12	trillion
3*5=15	quadrillion
3*6=18	quintillion
3*7=21	sextillion
3*8=24	septillion
3*9=27	octillion
3*10=30	nonillion
3*11=33	decillion
3*12=36	undecillion
3*13=39	duodecillion
3*14=42	tredecillion
3*15=45	quattuordecillion
3*16=48	quindecillion
3*17=51	sexdecillion
3*18=54	septendecillion
3*19=57	octodecillion
3*20=60	novemdecillion
3*21=63	vigintillion