1 E4 s

Orders of magnitude (time) in E notation
Planck time 1 E-25 s 1 E-24 s 1 E-21 s 1 E-18 s 1 E-17 s 1 E-16 s 1 E-15 s 1 E-14 s 1 E-13 s 1 E-12 s 1 E-11 s 1 E-10 s 1 E-9 s 1 E-8 s 1 E-7 s 1 E-6 s 1 E-5 s 1 E-4 s 1 E-3 s 1 E-2 s 1 E-1 s	1 E0 s 1 E1 s 1 E2 s 1 E3 s 1 E4 s 1 E5 s 1 E6 s 1 E7 s 1 E8 s 1 E9 s 1 E10 s 1 E11 s 1 E12 s 1 E13 s 1 E14 s 1 E15 s 1 E16 s 1 E17 s 1 E18 s 1 E19 s and more
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To help compare orders of magnitude of different times this page lists times between 10⁴ seconds and 10⁵ seconds (approximately 2.78 hours and 27.8 hours). See also times of other orders of magnitude.

shorter times
10,379 seconds = 2 hours 52 minutes 59 seconds = the length of the record New York–London Concorde flight
19,872 seconds = 5.52 hours – half-life of mendelevium-257
25,200 seconds = 7 hours – one work day in France.
28,800 seconds = 8 hours – one work day in many Western countries
28,800 seconds = 8 hours – common human daily need for sleep
36,000 seconds = 10 hours – one work day in ancient Egypt, according to the oldest definition of an hour
37,296 seconds = 10.36 hours – half-life of erbium-165
54,000 seconds = 15 hours – approximate length of Wagner's opera cycle Der Ring des Nibelungen
72,606 seconds = 20 hours 10 minutes 6 seconds – the world record of human standing motionlessly as of 2005 [1]
80,100 seconds = 22.25 hours – approximate time taken to solve the DES Challenge III of RSA on January 18 - 19, 1999 [2]
86,164 seconds = 23 hours 56 minutes 4 seconds – time for Earth’s rotation around its axis
86,400 seconds = 24 hours = one day
91,404 seconds = 25.39 hours – half-life of fermium-252
longer times

v • d • e Orders of magnitude (time), by powers of seconds

Negative powers	10⁻⁴⁴ s \| ... \| 10⁻²⁵ s \| 10⁻²⁴ s ... 10⁻²² s \| 10⁻²¹ s ... 10⁻¹⁹ s \| 10⁻¹⁸ s ... 10⁻¹⁶ s \| 10⁻¹⁵ s ... 10⁻¹³ s \| 10⁻¹² s \| 10⁻¹¹ s \| 10⁻¹⁰ s \| 10⁻⁹ s \| 10⁻⁸ s \| 10⁻⁷ s \| 10⁻⁶ s \| 10⁻⁵ s \| 10⁻⁴ s \| 10⁻³ s \| 10⁻² s \| 10⁻¹ s

Positive powers	1 s \| 10 s \| 10² s \| 10³ s \| 10⁴ s \| 10⁵ s \| 10⁶ s \| 10⁷ s \| 10⁸ s \| 10⁹ s \| 10¹⁰ s \| 10¹¹ s \| 10¹² s \| 10¹³ s \|10¹⁴ s \| 10¹⁵ s \| 10¹⁶ s \| 10¹⁷ s \| 10¹⁸ s \| 10¹⁹ s and more