Peta (prefix)
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Contenido Peta (symbol: P) is an SI prefix indicating a factor of 1015, equal to 1,000,000,000 000,000 (one thousand trillion).
Adopted in 1975, it comes from the Greek πέντε, which means five, since it is equivalent to 10005. (It is based on the model of tera, which comes from the Greek 'monster': tetra- comes from the Greek word for four and thus peta, which comes from penta-, it loses the third letter, n.)
In computing, the prefix pebi is also often used, which represents 1,125,899,906,842,620 (250), instead of 1,000,000,000,000,000, especially when used as a byte prefix (pebibyte).
1000n | 10n | Prefix | Symbol | Short scale | Long scale | Decimal equity in the prefixes of the International System | Allocation |
---|---|---|---|---|---|---|---|
100010 | 1030 | quetta- | Q | Nonillion | Quintillón | 1 000 000 000 000 000 000 000 000 | 2022 |
10009 | 1027 | ronna- | R | Eighth | Mil cuatrillones | 1 000 000 000 000 000 000 000 000 | 2022 |
10008 | 1024 | Yotta- | And | Septillion | Cuatrillón | 1 000 000 000 000 000 000 000 | 1991 |
10007 | 1021 | zetta- | Z | Sextillion | A thousand trillions | 1 000 000 000 000 000 000 | 1991 |
10006 | 1018 | exa... | E | Quintillón | Trillion | 1 000 000 000 000 000 000 | 1975 |
10005 | 1015 | peta... | P | Cuatrillón | A billion. | 1 000 000 000 000 000 | 1975 |
10004 | 1012 | tera- | T | Trillion | Billion | 1 000 000 000 000 | 1960 |
10003 | 109 | giga- | G | Billion | billion / billion | 1 000 000 000 | 1960 |
10002 | 106 | mega- | M | Million | 1 000 | 1960 | |
10001 | 103 | kilo- | k | Mil / Millar | 1 000 | 1795 | |
10002/3 | 102 | Hecto- | h | Hundred / Hundred | 100 | 1795 | |
10001/3 | 101 | deca- | da | Ten / Ten | 10 | 1795 | |
10000 | 100 | No prefix | One / Unit | 1 | |||
1000−1/3 | 10−1 | deci- | d | Tenth | 0.1 | 1795 | |
1000−2/3 | 10−2 | centi- | c | Centésimo | 0.01 | 1795 | |
1000−1 | 10−3 | mili- | m | A thousandth | 0.001 | 1795 | |
1000−2 | 10−6 | micro- | μ | Millions | 0.000 001 | 1960 | |
1000−3 | 10−9 | nano- | n | Billionth | One billion dollars | 0.000 000 001 | 1960 |
1000−4 | 10−12 | peak... | p | Trillonéimo | Billionth | 0.000 000 000 001 | 1960 |
1000−5 | 10−15 | femto- | f | Cuatrillonésimo | Milbillonésimo | 0.000 000 000 000 001 | 1964 |
1000−6 | 10−18 | Atto- | a | Quintillonésimo | Trillonéimo | 0.000 000 000 000 000 000 001 | 1964 |
1000−7 | 10−21 | zepto- | z | Sextillonésimo | Miltrillonésimo | 0.000 000 000 000 000 000 000 001 | 1991 |
1000−8 | 10−24 | Icto- | and | Septillonésimo | Cuatrillonésimo | 0.000 000 000 000 000 000 000 000 000 001 | 1991 |
1000−9 | 10−27 | red. | r | Eighth. | Milcuatrillonésimo | 0.000 000 000 000 000 000 000 000 000 000 001 | 2022 |
1000−10 | 10−30 | Quecto- | q | Nonillonésimo | Quintillonésimo | 0.000 000 000 000 000 000 000 000 000 000 000 001 | 2022 |
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