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A millennium (plural millennia or millenniums) is a period of time equal to 1000 years, also called kiloyears. It derives from the Latin mille, thousand, and annus, year. ..more definition+
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 Millenniums (mill) is equal to 31540000000 seconds, while 1 Decades (dec) = 315400000 seconds.| 350 Millenniums | to common time units |
|---|---|
| 350 mill | = 11039000000000 seconds (s) |
| 350 mill | = 183983333333.33 minutes (min) |
| 350 mill | = 3066388888.8889 hours (hr) |
| 350 mill | = 127766203.7037 days (day) |
| 350 mill | = 18252314.814815 weeks (wk) |
| 350 mill | = 350044.39370878 years (yr) |
| 350 mill | = 4200532.7245053 months (mo) |
| 350 mill | = 35000 decades (dec) |
| 350 mill | = 3500 centuries (cent) |
| 350 mill | = 350 millenniums (mill) |