Zepto
From open-encyclopedia.com - the free encyclopedia.
Zepto (symbol z) is a prefix in the SI system of units denoting a factor of 10-21.
Adopted in 1991, it comes from the French sept, meaning seven, since it is equal to 1/10007.
| (Sub)multiple | Prefix | Symbol | Short scale Name | Long scale Name |
|---|---|---|---|---|
| Y
| Septillion | Quadrillion | ||
| Z
| Sextillion | Thousand trillion (Trilliard) | ||
| E
| Quintillion | Trillion | ||
| P
| Quadrillion | Thousand billion (Billiard) | ||
| T
| Trillion | Billion | ||
| G
| Billion | Thousand million (Milliard) | ||
| M
| Million | |||
| k
| Thousand | |||
| h
| Hundred | |||
| da
| Ten | |||
| d
| Tenth | |||
| c
| Hundredth | |||
| m
| Thousandth | |||
| µ
| Millionth | |||
| n
| Billionth | Milliardth | ||
| p
| Trillionth | Billionth | ||
| f
| Quadrillionth | Billiardth | ||
| a
| Quintillionth | Trillionth | ||
| zepto
| z
| Sextillionth | Trilliardth | |
| y
| Septillionth | Quadrillionth | ||
See also
ca:zepto es:zepto fr:zepto sl:zepto
