668669008
668,669,008 is an even composite number composed of five prime numbers multiplied together.
668669008 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 668669008:
24 × 7 × 292 × 31 × 229
(2 × 2 × 2 × 2 × 7 × 29 × 29 × 31 × 229)See below for interesting mathematical facts about the number 668669008 from the Numbermatics database.
Names of 668669008
- Cardinal: 668669008 can be written as Six hundred sixty-eight million, six hundred sixty-nine thousand and eight.
Scientific notation
- Scientific notation: 6.68669008 × 108
Factors of 668669008
Divisors of 668669008
- Number of divisors d(n): 120
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Complete list of divisors:
1 2 4 7 8 14 16 28 29 31 56 58 62 112 116 124 203 217 229 232 248 406 434 458 464 496 812 841 868 899 916 1603 1624 1682 1736 1798 1832 3206 3248 3364 3472 3596 3664 5887 6293 6412 6641 6728 7099 7192 11774 12586 12824 13282 13456 14198 14384 23548 25172 25648 26071 26564 28396 46487 47096 49693 50344 52142 53128 56792 92974 94192 99386 100688 104284 106256 113584 182497 185948 192589 198772 205871 208568 364994 371896 385178 397544 411742 417136 729988 743792 770356 795088 823484 1348123 1441097 1459976 1540712 1646968 2696246 2882194 2919952 3081424 3293936 5392492 5764388 5970259 10784984 11528776 11940518 21569968 23057552 23881036 41791813 47762072 83583626 95524144 167167252 334334504 668669008
- Sum of all divisors σ(n): 1589818880
- Sum of proper divisors (its aliquot sum) s(n): 921149872
- 668669008 is an abundant number, because the sum of its proper divisors (921149872) is greater than itself. Its abundance is 252480864
Bases of 668669008
- Binary: 1001111101101100010100010100002
- Hexadecimal: 0x27DB1450
- Base-36: B23WB4
Squares and roots of 668669008
- 668669008 squared (6686690082) is 447118242259704064
- 668669008 cubed (6686690083) is 298974111510499994848448512
-
The
square root of 668669008 is 25858.6350761211 -
The
cube root of 668669008 is 874.4541937037
Scales and comparisons
How big is 668669008?- 668,669,008 seconds is equal to 21 years, 13 weeks, 4 days, 5 hours, 23 minutes, 28 seconds.
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To count from 1 to 668,669,008 would take you about thirty-one years!
This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
- A cube with a volume of 668669008 cubic inches would be around 72.9 feet tall.
Recreational maths with 668669008
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