SI Prefixes and Their Scientific Notation

Tera

T, 10^12

Giga

G, 10^9

Mega

M, 10^6

kilo

k, 10^3

hecto

h, 10^2

deka (or deca)

da, 10^1

deci

d, 10^-1

centi

c, 10^-2

milli

m, 10^-3

micro

µ, 10^-6

nano

n, 10^-9

pico

p, 10^-12

femto

f, 10^-15