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A decade is a period of 10 years. The word is derived from the Ancient Greek: δεκάς (transliteration=dekas), which means a group of ten. Other words for spans of years also c ..more definition+
In relation to the base unit of [time] => (seconds), 1 Petaseconds (Ps) is equal to 1.0E+15 seconds, while 1 Decades (dec) = 315400000 seconds.| 21000 Petaseconds | to common time units |
|---|---|
| 21000 Ps | = 2.1E+19 seconds (s) |
| 21000 Ps | = 3.5E+17 minutes (min) |
| 21000 Ps | = 5.8333333333333E+15 hours (hr) |
| 21000 Ps | = 2.4305555555556E+14 days (day) |
| 21000 Ps | = 34722222222222 weeks (wk) |
| 21000 Ps | = 665905631659.06 years (yr) |
| 21000 Ps | = 7990867579908.7 months (mo) |
| 21000 Ps | = 66582117945.466 decades (dec) |
| 21000 Ps | = 6658211794.5466 centuries (cent) |
| 21000 Ps | = 665821179.45466 millenniums (mill) |