1 E17 s

To help compare orders of magnitude of different times this page lists times between 1017 seconds and 1018 seconds (3200 million years and 32 000 million years) See also times of other orders of magnitude.

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• Shorter times
• 3,500 million years — age of oldest life (bacteria)
• 3,700 to 3,900 million years — age of the Mare Imbrium, the Lower Imbrian epoch
• 4,468 million years — half-life of uranium-238
• 4,500 million years — age of the Earth (see: Precambrian)
• 10,000 million years — expected main sequence lifetime of a G2 dwarf star (like the Sun)
• 13,700 ? 200 million years (4e17 seconds) — estimated age of the universe according to the Big Bang theory
• Longer times

Orders of magnitude: An order of magnitude is the class of scale or magnitude of any amount, where each class contains values of a fixed ratio to the class preceding it. The ratios most commonly used are 1000, 10, 2, 1024 or e (Euler's number, a transcendental number approximately equal to 2.71828182846 that is used as...

Times of other orders of magnitude: REDIRECT Orders of magnitude (time)...