12531438720
12,531,438,720 is an even composite number composed of five prime numbers multiplied together.
12531438720 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 12531438720:
27 × 34 × 5 × 53 × 4561
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 5 × 53 × 4561)See below for interesting mathematical facts about the number 12531438720 from the Numbermatics database.
Names of 12531438720
- Cardinal: 12531438720 can be written as Twelve billion, five hundred thirty-one million, four hundred thirty-eight thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 1.253143872 × 1010
Factors of 12531438720
Divisors of 12531438720
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 53 54 60 64 72 80 81 90 96 106 108 120 128 135 144 159 160 162 180 192 212 216 240 265 270 288 318 320 324 360 384 405 424 432 477 480 530 540 576 636 640 648 720 795 810 848 864 954 960 1060 1080 1152 1272 1296 1431 1440 1590 1620 1696 1728 1908 1920 2120 2160 2385 2544 2592 2862 2880 3180 3240 3392 3456 3816 4240 4293 4320 4561 4770 5088 5184 5724 5760 6360 6480 6784 7155 7632 8480 8586 8640 9122 9540 10176 10368 11448 12720 12960 13683 14310 15264 16960 17172 17280 18244 19080 20352 21465 22805 22896 25440 25920 27366 28620 30528 33920 34344 36488 38160 41049 42930 45610 45792 50880 51840 54732 57240 61056 68415 68688 72976 76320 82098 85860 91220 91584 101760 109464 114480 123147 136830 137376 145952 152640 164196 171720 182440 183168 205245 218928 228960 241733 246294 273660 274752 291904 305280 328392 343440 364880 369441 410490 437856 457920 483466 492588 547320 549504 583808 615735 656784 686880 725199 729760 738882 820980 875712 915840 966932 985176 1094640 1208665 1231470 1313568 1373760 1450398 1459520 1477764 1641960 1751424 1847205 1933864 1970352 2175597 2189280 2417330 2462940 2627136 2747520 2900796 2919040 2955528 3283920 3625995 3694410 3867728 3940704 4351194 4378560 4834660 4925880 5254272 5801592 5911056 6526791 6567840 7251990 7388820 7735456 7881408 8702388 8757120 9669320 9851760 10877985 11603184 11822112 13053582 13135680 14503980 14777640 15470912 15762816 17404776 19338640 19580373 19703520 21755970 23206368 23644224 26107164 26271360 29007960 29555280 30941824 32633955 34809552 38677280 39160746 39407040 43511940 46412736 47288448 52214328 58015920 59110560 65267910 69619104 77354560 78321492 78814080 87023880 92825472 97901865 104428656 116031840 118221120 130535820 139238208 154709120 156642984 174047760 195803730 208857312 232063680 236442240 261071640 278476416 313285968 348095520 391607460 417714624 464127360 522143280 626571936 696191040 783214920 835429248 1044286560 1253143872 1392382080 1566429840 2088573120 2506287744 3132859680 4177146240 6265719360 12531438720
- Sum of all divisors σ(n): 45606405240
- Sum of proper divisors (its aliquot sum) s(n): 33074966520
- 12531438720 is an abundant number, because the sum of its proper divisors (33074966520) is greater than itself. Its abundance is 20543527800
Bases of 12531438720
- Binary: 10111010101110111010010100100000002
- Hexadecimal: 0x2EAEE9480
- Base-36: 5R8W800
Squares and roots of 12531438720
- 12531438720 squared (125314387202) is 157036956393115238400
- 12531438720 cubed (125314387203) is 1967898995815635839907790848000
-
The
square root of 12531438720 is 111943.9088115115 -
The
cube root of 12531438720 is 2322.7384627171
Scales and comparisons
How big is 12531438720?- 12,531,438,720 seconds is equal to 398 years, 23 weeks, 6 days, 19 hours, 12 minutes.
-
To count from 1 to 12,531,438,720 would take you about seven hundred ninety-six 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 12531438720 cubic inches would be around 193.6 feet tall.
Recreational maths with 12531438720
- 12531438720 backwards is 02783413521
- 12531438720 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 12531438720's digits is 36
- More coming soon!
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