1 E14 s (original) (raw)

To help compare orders of magnitude of different times this page lists times between 3.2 million years and 32 million years (1014 seconds and 1015 seconds) See also times of other orders of magnitude.

• Shorter times
• 4 million years -- estimated average lifetime of biological species
• 4 million years -- time since beginning of last ice age
• 4.2 million years -- half-life of technetium-98
• 5 million years -- time since beginning of Pliocene Epoch
• 5 million years -- time since end of Miocene
• 6.5 million years -- half-life of palladium-107
• 20 million years -- time since the first forms of grass appeared
• 23.42 million years -- half-life of uranium-236
• 24 million years -- time since beginning of Miocene Epoch
• 24 million years -- time since end of Oligocene Epoch
• Longer times