| hectosecond | 1 hs | 2 hs | 3 hs | 4 hs | 5 hs | 6 hs | 7 hs | 8 hs | 9 hs | 10 hs | 11 hs | 12 hs | 13 hs | 14 hs | 15 hs | 16 hs | 17 hs | 18 hs | 19 hs | 20 hs | 21 hs | 22 hs | 23 hs | 24 hs | 25 hs | 26 hs | 27 hs | 28 hs | 29 hs | 30 hs | 31 hs | 32 hs | 33 hs | 34 hs | 35 hs | 36 hs | 37 hs | 38 hs | 39 hs | 40 hs | 41 hs | 42 hs | 43 hs | 44 hs | 45 hs | 46 hs | 47 hs | 48 hs | 49 hs | 50 hs | 51 hs | 52 hs | 53 hs | 54 hs | 55 hs | 56 hs | 57 hs | 58 hs | 59 hs | 60 hs | 61 hs | 62 hs | 63 hs | 64 hs | 65 hs | 66 hs | 67 hs | 68 hs | 69 hs | 70 hs | 71 hs | 72 hs | 73 hs | 74 hs | 75 hs | 76 hs | 77 hs | 78 hs | 79 hs | 80 hs | 81 hs | 82 hs | 83 hs | 84 hs | 85 hs | 86 hs | 87 hs | 88 hs | 89 hs | 90 hs | 91 hs | 92 hs | 93 hs | 94 hs | 95 hs | 96 hs | 97 hs | 98 hs | 99 hs | 100 hs |
| attosecond | 1.0 × 1020 as | 2.0 × 1020 as | 3.0 × 1020 as | 4.0 × 1020 as | 5.0 × 1020 as | 6.0 × 1020 as | 7.0 × 1020 as | 8.0 × 1020 as | 9.0 × 1020 as | 1.0 × 1021 as | 1.1 × 1021 as | 1.2 × 1021 as | 1.3 × 1021 as | 1.4 × 1021 as | 1.5 × 1021 as | 1.6 × 1021 as | 1.7 × 1021 as | 1.8 × 1021 as | 1.9 × 1021 as | 2.0 × 1021 as | 2.1 × 1021 as | 2.2 × 1021 as | 2.3 × 1021 as | 2.4 × 1021 as | 2.5 × 1021 as | 2.6 × 1021 as | 2.7 × 1021 as | 2.8 × 1021 as | 2.9 × 1021 as | 3.0 × 1021 as | 3.1 × 1021 as | 3.2 × 1021 as | 3.3 × 1021 as | 3.4 × 1021 as | 3.5 × 1021 as | 3.6 × 1021 as | 3.7 × 1021 as | 3.8 × 1021 as | 3.9 × 1021 as | 4.0 × 1021 as | 4.1 × 1021 as | 4.2 × 1021 as | 4.3 × 1021 as | 4.4 × 1021 as | 4.5 × 1021 as | 4.6 × 1021 as | 4.7 × 1021 as | 4.8 × 1021 as | 4.9 × 1021 as | 5.0 × 1021 as | 5.1 × 1021 as | 5.2 × 1021 as | 5.3 × 1021 as | 5.4 × 1021 as | 5.5 × 1021 as | 5.6 × 1021 as | 5.7 × 1021 as | 5.8 × 1021 as | 5.9 × 1021 as | 6.0 × 1021 as | 6.1 × 1021 as | 6.2 × 1021 as | 6.3 × 1021 as | 6.4 × 1021 as | 6.5 × 1021 as | 6.6 × 1021 as | 6.7 × 1021 as | 6.8 × 1021 as | 6.9 × 1021 as | 7.0 × 1021 as | 7.1 × 1021 as | 7.2 × 1021 as | 7.3 × 1021 as | 7.4 × 1021 as | 7.5 × 1021 as | 7.6 × 1021 as | 7.7 × 1021 as | 7.8 × 1021 as | 7.9 × 1021 as | 8.0 × 1021 as | 8.1 × 1021 as | 8.2 × 1021 as | 8.3 × 1021 as | 8.4 × 1021 as | 8.5 × 1021 as | 8.6 × 1021 as | 8.7 × 1021 as | 8.8 × 1021 as | 8.9 × 1021 as | 9.0 × 1021 as | 9.1 × 1021 as | 9.2 × 1021 as | 9.3 × 1021 as | 9.4 × 1021 as | 9.5 × 1021 as | 9.6 × 1021 as | 9.7 × 1021 as | 9.8 × 1021 as | 9.9 × 1021 as | 1.0 × 1022 as |
Hectosecond is equal to 100second (unit of time), comes from a combination of the metric prefix hecto (h) with the second (s). Plural name is hectoseconds with symbol is hs.
| Name of unit | Symbol | Definition | Relation to SI units | Unit System |
|---|---|---|---|---|
| hectosecond | hs | ≡ 100 second | ≡ 100 second | Metric system SI |
| hectoseconds | attoseconds | hectoseconds | attoseconds |
|---|---|---|---|
| 1 | ≡ 1.0E+20 | 6 | ≡ 6.0E+20 |
| 2 | ≡ 2.0E+20 | 7 | ≡ 7.0E+20 |
| 3 | ≡ 3.0E+20 | 8 | ≡ 8.0E+20 |
| 4 | ≡ 4.0E+20 | 9 | ≡ 9.0E+20 |
| 5 | ≡ 5.0E+20 | 10 | ≡ 1.0E+21 |
Attosecond is equal to 10 second (unit of time), comes from a combination of the metric prefix atto (a) with the second (s). Plural name is attoseconds with symbol is as.
| Name of unit | Symbol | Definition | Relation to SI units | Unit System |
|---|---|---|---|---|
| attosecond | as | ≡ 10-18 second | ≡ 10-18 second | Metric system SI |
| attoseconds | hectoseconds | attoseconds | hectoseconds |
|---|---|---|---|
| 1 | ≡ 1.0E-20 | 6 | ≡ 6.0E-20 |
| 2 | ≡ 2.0E-20 | 7 | ≡ 7.0E-20 |
| 3 | ≡ 3.0E-20 | 8 | ≡ 8.0E-20 |
| 4 | ≡ 4.0E-20 | 9 | ≡ 9.0E-20 |
| 5 | ≡ 5.0E-20 | 10 | ≡ 1.0E-19 |
| hectoseconds | attoseconds |
|---|---|
| 1 | ≡ 1.0 × 1020 |
| 1.0 × 10-20 | ≡ 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 …) |