|
|
|
|
|
|
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.
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.