Common prefixes

E exa 1018 P peta 1015 T tera 1012 G giga 109 M mega 106 k kilo 103 h hecto 102 da deca 101 d deci 101 c centi 102 m milli 103 micro 106 n nano 109 p pico 1012 f femto 1015 a atto 1018