680918472
680,918,472 is an even composite number composed of five prime numbers multiplied together.
680918472 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 680918472:
23 × 32 × 13 × 312 × 757
(2 × 2 × 2 × 3 × 3 × 13 × 31 × 31 × 757)See below for interesting mathematical facts about the number 680918472 from the Numbermatics database.
Names of 680918472
- Cardinal: 680918472 can be written as Six hundred eighty million, nine hundred eighteen thousand, four hundred seventy-two.
Scientific notation
- Scientific notation: 6.80918472 × 108
Factors of 680918472
Divisors of 680918472
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 6 8 9 12 13 18 24 26 31 36 39 52 62 72 78 93 104 117 124 156 186 234 248 279 312 372 403 468 558 744 757 806 936 961 1116 1209 1514 1612 1922 2232 2271 2418 2883 3028 3224 3627 3844 4542 4836 5766 6056 6813 7254 7688 8649 9084 9672 9841 11532 12493 13626 14508 17298 18168 19682 23064 23467 24986 27252 29016 29523 34596 37479 39364 46934 49972 54504 59046 69192 70401 74958 78728 88569 93868 99944 112437 118092 140802 149916 177138 187736 211203 224874 236184 281604 299832 305071 354276 422406 449748 563208 610142 708552 727477 844812 899496 915213 1220284 1454954 1689624 1830426 2182431 2440568 2745639 2909908 3660852 4364862 5491278 5819816 6547293 7321704 8729724 9457201 10982556 13094586 17459448 18914402 21965112 26189172 28371603 37828804 52378344 56743206 75657608 85114809 113486412 170229618 226972824 340459236 680918472
- Sum of all divisors σ(n): 2054854620
- Sum of proper divisors (its aliquot sum) s(n): 1373936148
- 680918472 is an abundant number, because the sum of its proper divisors (1373936148) is greater than itself. Its abundance is 693017676
Bases of 680918472
- Binary: 1010001001010111111101110010002
- Hexadecimal: 0x2895FDC8
- Base-36: B9EG20
Squares and roots of 680918472
- 680918472 squared (6809184722) is 463649965510814784
- 680918472 cubed (6809184723) is 315707826058476702196290048
-
The
square root of 680918472 is 26094.4145747705 -
The
cube root of 680918472 is 879.7616744421
Scales and comparisons
How big is 680918472?- 680,918,472 seconds is equal to 21 years, 33 weeks, 6 days, 1 minute, 12 seconds.
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To count from 1 to 680,918,472 would take you about thirty-two 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 680918472 cubic inches would be around 73.3 feet tall.
Recreational maths with 680918472
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