To help compare orders of magnitude of different times this page lists times between 1010 seconds and 1011 seconds (320 years and 3200 years). See also times of other orders of magnitude.
- Shorter times
- 418 years -- The half life of silver-108
- 680 years - The half life of niobium-91
- 1000 years -- one millennium = 3.16 x 1010 seconds
- Longer times