AstroLAB's Interesting Tables      
Metric System Prefixes      
Prefix Symbol Power Equivalent
Yotta Y 1E+24   1,000,000,000,000,000,000,000,000  
Zetta Z 1E+21   1,000,000,000,000,000,000,000  
Exa E 1E+18   1,000,000,000,000,000,000  
Peta P 1E+15   1,000,000,000,000,000  
Tera T 1E+12   1,000,000,000,000 Trillion
Giga G 1E+9   1,000,000,000 Billion
Mega M 1E+6   1,000,000 Million
Kilo k 1E+3   1,000 Thousand
Hecto h 1E+2   100 Hundred
Deca da 1E+1   10 Ten
    1E+0   1 One
Deci d 1E-1   0.1 Tenth
Centi c 1E-2   0.01 Hundredth
Milli m 1E-3   0.001 Thousandth
Micro m 1E-6   0.000001 Millionth
Nano n 1E-9   0.000000001 Billionth
Pico p 1E-12   0.000000000001 Trillionth
Femto f 1E-15   0.000000000000001  
Atto a 1E-18   0.000000000000000001  
Zepto z 1E-21   0.000000000000000000001  
Yocto y 1E-24   0.000000000000000000000001