31380626420
31,380,626,420 is an even composite number composed of five prime numbers multiplied together.
31380626420 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred sixty-two divisors.
Prime factorization of 31380626420:
22 × 5 × 112 × 132 × 2772
(2 × 2 × 5 × 11 × 11 × 13 × 13 × 277 × 277)See below for interesting mathematical facts about the number 31380626420 from the Numbermatics database.
Names of 31380626420
- Cardinal: 31380626420 can be written as Thirty-one billion, three hundred eighty million, six hundred twenty-six thousand, four hundred twenty.
Scientific notation
- Scientific notation: 3.138062642 × 1010
Factors of 31380626420
Divisors of 31380626420
- Number of divisors d(n): 162
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Complete list of divisors:
1 2 4 5 10 11 13 20 22 26 44 52 55 65 110 121 130 143 169 220 242 260 277 286 338 484 554 572 605 676 715 845 1108 1210 1385 1430 1573 1690 1859 2420 2770 2860 3047 3146 3380 3601 3718 5540 6094 6292 7202 7436 7865 9295 12188 14404 15235 15730 18005 18590 20449 30470 31460 33517 36010 37180 39611 40898 46813 60940 67034 72020 76729 79222 81796 93626 102245 134068 153458 158444 167585 187252 198055 204490 234065 306916 335170 383645 396110 408980 435721 468130 514943 670340 767290 792220 844019 871442 936260 997477 1029886 1534580 1688038 1742884 1994954 2059772 2178605 2574715 3376076 3989908 4220095 4357210 4987385 5149430 5664373 8440190 8714420 9284209 9974770 10298860 10972247 11328746 12967201 16880380 18568418 19949540 21944494 22657492 25934402 28321865 37136836 43888988 46421045 51868804 54861235 56643730 64836005 92842090 109722470 113287460 120694717 129672010 142639211 185684180 219444940 241389434 259344020 285278422 482778868 570556844 603473585 713196055 1206947170 1426392110 1569031321 2413894340 2852784220 3138062642 6276125284 7845156605 15690313210 31380626420
- Sum of all divisors σ(n): 78719481666
- Sum of proper divisors (its aliquot sum) s(n): 47338855246
- 31380626420 is an abundant number, because the sum of its proper divisors (47338855246) is greater than itself. Its abundance is 15958228826
Bases of 31380626420
- Binary: 111010011100110111001011011111101002
- Hexadecimal: 0x74E6E5BF4
- Base-36: EEZ7QB8
Squares and roots of 31380626420
- 31380626420 squared (313806264202) is 984743714511602016400
- 31380626420 cubed (313806264203) is 30901874624531715632367113288000
-
The
square root of 31380626420 is 177145.7773134883 -
The
cube root of 31380626420 is 3154.1852965081
Scales and comparisons
How big is 31380626420?- 31,380,626,420 seconds is equal to 997 years, 41 weeks, 6 days, 16 hours, 40 minutes, 20 seconds.
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To count from 1 to 31,380,626,420 would take you about one thousand, nine hundred ninety-five 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 31380626420 cubic inches would be around 262.8 feet tall.
Recreational maths with 31380626420
- 31380626420 backwards is 02462608313
- The number of decimal digits it has is: 11
- The sum of 31380626420's digits is 35
- More coming soon!
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