second | 1 s | 2 s | 3 s | 4 s | 5 s | 6 s | 7 s | 8 s | 9 s | 10 s | 11 s | 12 s | 13 s | 14 s | 15 s | 16 s | 17 s | 18 s | 19 s | 20 s | 21 s | 22 s | 23 s | 24 s | 25 s | 26 s | 27 s | 28 s | 29 s | 30 s | 31 s | 32 s | 33 s | 34 s | 35 s | 36 s | 37 s | 38 s | 39 s | 40 s | 41 s | 42 s | 43 s | 44 s | 45 s | 46 s | 47 s | 48 s | 49 s | 50 s | 51 s | 52 s | 53 s | 54 s | 55 s | 56 s | 57 s | 58 s | 59 s | 60 s | 61 s | 62 s | 63 s | 64 s | 65 s | 66 s | 67 s | 68 s | 69 s | 70 s | 71 s | 72 s | 73 s | 74 s | 75 s | 76 s | 77 s | 78 s | 79 s | 80 s | 81 s | 82 s | 83 s | 84 s | 85 s | 86 s | 87 s | 88 s | 89 s | 90 s | 91 s | 92 s | 93 s | 94 s | 95 s | 96 s | 97 s | 98 s | 99 s | 100 s |
exasecond | 1.0 × 10-18 Es | 2.0 × 10-18 Es | 3.0 × 10-18 Es | 4.0 × 10-18 Es | 5.0 × 10-18 Es | 6.0 × 10-18 Es | 7.0 × 10-18 Es | 8.0 × 10-18 Es | 9.0 × 10-18 Es | 1.0 × 10-17 Es | 1.1 × 10-17 Es | 1.2 × 10-17 Es | 1.3 × 10-17 Es | 1.4 × 10-17 Es | 1.5 × 10-17 Es | 1.6 × 10-17 Es | 1.7 × 10-17 Es | 1.8 × 10-17 Es | 1.9 × 10-17 Es | 2.0 × 10-17 Es | 2.1 × 10-17 Es | 2.2 × 10-17 Es | 2.3 × 10-17 Es | 2.4 × 10-17 Es | 2.5 × 10-17 Es | 2.6 × 10-17 Es | 2.7 × 10-17 Es | 2.8 × 10-17 Es | 2.9 × 10-17 Es | 3.0 × 10-17 Es | 3.1 × 10-17 Es | 3.2 × 10-17 Es | 3.3 × 10-17 Es | 3.4 × 10-17 Es | 3.5 × 10-17 Es | 3.6 × 10-17 Es | 3.7 × 10-17 Es | 3.8 × 10-17 Es | 3.9 × 10-17 Es | 4.0 × 10-17 Es | 4.1 × 10-17 Es | 4.2 × 10-17 Es | 4.3 × 10-17 Es | 4.4 × 10-17 Es | 4.5 × 10-17 Es | 4.6 × 10-17 Es | 4.7 × 10-17 Es | 4.8 × 10-17 Es | 4.9 × 10-17 Es | 5.0 × 10-17 Es | 5.1 × 10-17 Es | 5.2 × 10-17 Es | 5.3 × 10-17 Es | 5.4 × 10-17 Es | 5.5 × 10-17 Es | 5.6 × 10-17 Es | 5.7 × 10-17 Es | 5.8 × 10-17 Es | 5.9 × 10-17 Es | 6.0 × 10-17 Es | 6.1 × 10-17 Es | 6.2 × 10-17 Es | 6.3 × 10-17 Es | 6.4 × 10-17 Es | 6.5 × 10-17 Es | 6.6 × 10-17 Es | 6.7 × 10-17 Es | 6.8 × 10-17 Es | 6.9 × 10-17 Es | 7.0 × 10-17 Es | 7.1 × 10-17 Es | 7.2 × 10-17 Es | 7.3 × 10-17 Es | 7.4 × 10-17 Es | 7.5 × 10-17 Es | 7.6 × 10-17 Es | 7.7 × 10-17 Es | 7.8 × 10-17 Es | 7.9 × 10-17 Es | 8.0 × 10-17 Es | 8.1 × 10-17 Es | 8.2 × 10-17 Es | 8.3 × 10-17 Es | 8.4 × 10-17 Es | 8.5 × 10-17 Es | 8.6 × 10-17 Es | 8.7 × 10-17 Es | 8.8 × 10-17 Es | 8.9 × 10-17 Es | 9.0 × 10-17 Es | 9.1 × 10-17 Es | 9.2 × 10-17 Es | 9.3 × 10-17 Es | 9.4 × 10-17 Es | 9.5 × 10-17 Es | 9.6 × 10-17 Es | 9.7 × 10-17 Es | 9.8 × 10-17 Es | 9.9 × 10-17 Es | 1.0 × 10-16 Es |
The second (symbol: s) (abbreviated s or sec) is the base unit of time in the International System of Units / Système International d'Unités (SI).
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
second | s | time of 9192631770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the caesium 133 atom at 0 K(but other seconds are sometimes used in astronomy). Also that time it takes for light to travel a distance of 299792458 metres. | ≡ 1 second | Metric system SI |
seconds | exaseconds | seconds | exaseconds |
---|---|---|---|
1 | ≡ 1.0E-18 | 6 | ≡ 6.0E-18 |
2 | ≡ 2.0E-18 | 7 | ≡ 7.0E-18 |
3 | ≡ 3.0E-18 | 8 | ≡ 8.0E-18 |
4 | ≡ 4.0E-18 | 9 | ≡ 9.0E-18 |
5 | ≡ 5.0E-18 | 10 | ≡ 1.0E-17 |
Exasecond is equal to 1018 second (unit of time), comes from a combination of the metric prefix exa (E) with the second (s). Plural name is exaconds with symbol is Es.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
exasecond | Es | ≡ 1 000 000 000 000 000 000 second | ≡ 1018 second | Metric system SI |
exaseconds | seconds | exaseconds | seconds |
---|---|---|---|
1 | ≡ 1.0E+18 | 6 | ≡ 6.0E+18 |
2 | ≡ 2.0E+18 | 7 | ≡ 7.0E+18 |
3 | ≡ 3.0E+18 | 8 | ≡ 8.0E+18 |
4 | ≡ 4.0E+18 | 9 | ≡ 9.0E+18 |
5 | ≡ 5.0E+18 | 10 | ≡ 1.0E+19 |
seconds | exaseconds |
---|---|
1 | ≡ 1.0 × 10-18 |
1.0 × 1018 | ≡ 1 |
Symbol | Definition |
---|---|
≡ | exactly equal |
≈ | approximately equal to |
= | equal to |
digits | indicates that digits repeat infinitely (e.g. 8.294 369 corresponds to 8.294 369 369 369 369 …) |