Thse are the commonly used metric multiplier prefixes…
| Unit | Abbreviation | Factor (power of ten) | Factor (number) |
| Atto | a | 1.E-18 | 0.000000000000000001 |
| Femto | f | 1.E-15 | 0.000000000000001 |
| Pico | p | 1.E-12 | 0.000000000001 |
| Nano | n | 1.E-09 | 0.000000001 |
| Micro | µ | 1.E-06 | 0.000001 |
| Milli | m | 1.E-03 | 0.001 |
| Centi | c | 1.E-02 | 0.01 |
| Deci | d | 1.E-01 | 0.1 |
| (none) | 0 | 0 | |
| Deca | da | 1.E+01 | 10 |
| Hecto | h | 1.E+02 | 100 |
| Kilo | k | 1.E+03 | 1,000 |
| Myria | (rare) | 1.E+04 | 10,000 |
| Mega | M | 1.E+06 | 1,000,000 |
| Giga | G | 1.E+09 | 1,000,000,000 |
| Tera | T | 1.E+12 | 1,000,000,000,000 |
| Peta | P | 1.E+15 | 1,000,000,000,000,000 |
| Exa | E | 1.E+18 | 1,000,000,000,000,000,000 |