1 E16 s
To help compare orders of magnitude of different times this page lists times between 1016 seconds (320 million years) and 1017 seconds (3200 million years).
- Shorter times: 1e15 s
- 340 million years -- time since beginning of Carboniferous Period
- 340 million years -- time since end of Devonian Period
- 400 million years -- time since beginning of Devonian Period
- 400 million years -- time since end of Silurian Period
- 435 million years -- time since beginning of Silurian Period
- 435 million years -- time since end of Ordovician Period
- 500 million years -- time since beginning of Ordovician Period
- 500 million years -- time since end of Cambrian Period
- 540 million years -- time since beginning of Cambrian Period
- 540 million years -- time since end of Precambrian
- 580 million years -- time since end of possible Snowball Earth ice age
- 600 million years -- age of first complex multicelled lifeforms
- 750 million years -- time since beginning of possible Snowball Earth ice age
- 2300 million years -- time since first known ice age
- Longer times: 1e17 s