Zetta Z - Sextillion 10^21
Exa E - quintillion 10^18
Peta P - quadrillion 10^15
Tera T - Trillion 10^12
Giga G - Billion 10^9
Mega M - Million 10^6
Kilo k - Thousand 10^3
	Hecto - hundred
	Deka - tens

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Deci d - Tenth 10^-1
Centi c - Hundredth 10^-2
Milli m - Thousandth 10^-3
Micro μ - Millionth 10^-6
Nano n - Billionth 10^-9
Pico p - Trillionth 10^-12
Femto f - Quadrillionth 10^-15