\begin{array}{rcl}
Peta & = & 10^{15}\\
Tera & = & 10^{12}\\
Giga & = & 10^{9}\\
Mega & = & 10^{6}\\
Kilo & = & 10^{3}\\
mili & = & 10^{-3}\\
mikro & = & 10^{-6}\\
nano & = & 10^{-9}\\
piko & = & 10^{-12}\\
femto & = & 10^{-15}\\
ato & = & 10^{-18}\\
\end{array}