Decimal Power

10n value name1 name2 2b
0 1 one 1
1 10 ten 4
2 100 hundred 7
3 1,000 thousand Kilo 10
6 1,000,000 million Mega 20
9 1,000,000,000 billion Giga 30
12 1,000,000,000,000 trillion Tera 40
15 1,000,000,000,000,000 quadrillion Peta 50
18 1,000,000,000,000,000,000 quintillion Exa 60
21 1,000,000,000,000,000,000,000 sextillion Zetta 70
24 1,000,000,000,000,000,000,000,000 septillion Yotta 80
0 0 zero
-1 0.1 tenth deci
-2 0.01 hundredth centi
-3 0.001 thousandth milli
-6 0.000001 millionth micro
-9 0.000000001 trillionth nano
-12 0.000000000001 quadrillionth pico
-15 0.000000000000001 quintillionth femto
-18 0.000000000000000001 sextillionth atto
-21 0.000000000000000000001 sextillionth zepto
-24 0.000000000000000000000001 septillionth yocto