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Symbol | Definition |
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≡ | 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 …) |
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.
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).