Prefixes in Engineering Notation

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   SI                               SI                                                   Multiplication
Prefix                       Symbol                                                   Factors
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exa                                E                                                            10^18
peta                               P                                                           10^15
tera                                T                                                           10^12 
giga                               G                                                           10^9
mega                             M                                                          10^6
kilo                                 k                                                           10^3 
milli                               m                                                          10^-3
micro                             m                                                 10^-6
nano                               n                                                         10^-9
pico                                p                                                           10^-12
femto                             f                                                            10^-15
atto                                a                                                            10^-18