1 E6 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 10⁶ seconds and 10⁷ seconds (approximately 11.6 days and 116 days). A megasecond is one million seconds. See also times of other orders of magnitude.

shorter times
1.21×10⁶ seconds = 14 days – a fortnight
1.38×10⁶ seconds = 15.9735 days – half life of vanadium-48
1.54×10⁶ seconds = 17.81 days – half life of californium-253
2.36×10⁶ seconds = 27.3217 days – sidereal month
2.39×10⁶ seconds = 27.7025 days – half life of chromium-51
2.42×10⁶ seconds = 28 days – length of February in non-leap years
2.51×10⁶ seconds = 29 days – length of February in a leap year
2.55×10⁶ seconds = 29.53059 days – mean synodic month
2.59×10⁶ seconds = 30 days – length of the months April, June, September, and November
2.629746×10⁶ seconds = 30.436875 days – mean length of a Gregorian calendar month
2.68×10⁶ seconds = 31 days – length of the months January, March, May, July, August, October, and December
4.45×10⁶ seconds = 51.5 days – half life of mendelevium-258
5.23×10⁶ seconds = 60.5 days – half life of californium-254
6.68×10⁶ seconds = 77.27 days – half life of cobalt-56
7.24×10⁶ seconds = 83.79 days – half life of scandium-46
7.54×10⁶ seconds = 87.32 days – half life of sulfur-35
7.60×10⁶ seconds = 87 days 23.3 hours – one orbit of Mercury
7.78×10⁶ seconds = 90 days – approximate length of a quarter year, a common corporate and financial reporting interval
8.04×10⁶ seconds = 93.1 days – half life of thulium-168
8.68×10⁶ seconds = 100.5 days – half life of fermium-257
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