81738076992
81,738,076,992 is an even composite number composed of seven prime numbers multiplied together.
81738076992 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of four hundred forty-eight divisors.
Prime factorization of 81738076992:
26 × 3 × 11 × 13 × 17 × 37 × 4733
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 11 × 13 × 17 × 37 × 4733)See below for interesting mathematical facts about the number 81738076992 from the Numbermatics database.
Names of 81738076992
- Cardinal: 81738076992 can be written as Eighty-one billion, seven hundred thirty-eight million, seventy-six thousand, nine hundred ninety-two.
Scientific notation
- Scientific notation: 8.1738076992 × 1010
Factors of 81738076992
Divisors of 81738076992
- Number of divisors d(n): 448
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Complete list of divisors:
1 2 3 4 6 8 11 12 13 16 17 22 24 26 32 33 34 37 39 44 48 51 52 64 66 68 74 78 88 96 102 104 111 132 136 143 148 156 176 187 192 204 208 221 222 264 272 286 296 312 352 374 407 408 416 429 442 444 481 528 544 561 572 592 624 629 663 704 748 814 816 832 858 884 888 962 1056 1088 1122 1144 1184 1221 1248 1258 1326 1443 1496 1628 1632 1716 1768 1776 1887 1924 2112 2244 2288 2368 2431 2442 2496 2516 2652 2886 2992 3256 3264 3432 3536 3552 3774 3848 4488 4576 4733 4862 4884 5032 5291 5304 5772 5984 6512 6864 6919 7072 7104 7293 7548 7696 8177 8976 9152 9466 9724 9768 10064 10582 10608 11544 11968 13024 13728 13838 14144 14199 14586 15096 15392 15873 16354 17952 18932 19448 19536 20128 20757 21164 21216 23088 24531 26048 27456 27676 28398 29172 30192 30784 31746 32708 35904 37864 38896 39072 40256 41514 42328 42432 46176 49062 52063 55352 56796 58344 60384 61529 63492 65416 75728 77792 78144 80461 83028 84656 89947 92352 98124 104126 110704 113592 116688 120768 123058 126984 130832 151456 155584 156189 160922 166056 169312 175121 179894 184587 196248 208252 221408 227184 233376 241383 246116 253968 261664 269841 302912 312378 321844 332112 338624 350242 359788 369174 392496 416504 442816 454368 466752 482766 492232 507936 523328 525363 539682 624756 643688 664224 676819 700484 719576 738348 784992 833008 885071 908736 965532 984464 1015872 1045993 1050726 1079364 1249512 1287376 1328448 1353638 1400968 1439152 1476696 1569984 1666016 1770142 1926331 1931064 1968928 2030457 2091986 2101452 2158728 2276573 2499024 2574752 2655213 2707276 2801936 2878304 2953392 2977057 3137979 3332032 3540284 3852662 3862128 3937856 4060914 4183972 4202904 4317456 4553146 4998048 5149504 5310426 5414552 5603872 5756608 5778993 5906784 5954114 6275958 6829719 7080568 7705324 7724256 8121828 8367944 8405808 8634912 8931171 9106292 9996096 10620852 10829104 11207744 11505923 11557986 11813568 11908228 12551916 13659438 14161136 15410648 15448512 16243656 16735888 16811616 17269824 17862342 18212584 21241704 21658208 23011846 23115972 23816456 25042303 25103832 27318876 28322272 30821296 32487312 32747627 33471776 33623232 34517769 35724684 36425168 38701741 42483408 43316416 46023692 46231944 47632912 50084606 50207664 54637752 56644544 61642592 64974624 65495254 66943552 69035538 71449368 72850336 75126909 77403482 84966816 92047384 92463888 95265824 98242881 100169212 100415328 109275504 116105223 123285184 129949248 130990508 138071076 142898736 145700672 150253818 154806964 169933632 184094768 184927776 190531648 196485762 200338424 200830656 218551008 232210446 261981016 276142152 285797472 300507636 309613928 368189536 369855552 392971524 400676848 425719151 437102016 464420892 523962032 552284304 571594944 601015272 619227856 736379072 785943048 801353696 851438302 928841784 1047924064 1104568608 1202030544 1238455712 1277157453 1571886096 1602707392 1702876604 1857683568 2095848128 2209137216 2404061088 2476911424 2554314906 3143772192 3405753208 3715367136 4808122176 5108629812 6287544384 6811506416 7430734272 10217259624 13623012832 20434519248 27246025664 40869038496 81738076992
- Sum of all divisors σ(n): 276348651264
- Sum of proper divisors (its aliquot sum) s(n): 194610574272
- 81738076992 is an abundant number, because the sum of its proper divisors (194610574272) is greater than itself. Its abundance is 112872497280
Bases of 81738076992
- Binary: 10011000001111111100000010011010000002
- Hexadecimal: 0x1307F81340
- Base-36: 11JSQNUO
Squares and roots of 81738076992
- 81738076992 squared (817380769922) is 6681113230350119768064
- 81738076992 cubed (817380769923) is 546101347614627920718436414783488
-
The
square root of 81738076992 is 285898.7180663809 -
The
cube root of 81738076992 is 4339.8508622397
Scales and comparisons
How big is 81738076992?- 81,738,076,992 seconds is equal to 2,599 years, 6 days, 13 hours, 23 minutes, 12 seconds.
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To count from 1 to 81,738,076,992 would take you about five thousand, one hundred ninety-eight 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 81738076992 cubic inches would be around 361.7 feet tall.
Recreational maths with 81738076992
- 81738076992 backwards is 29967083718
- The number of decimal digits it has is: 11
- The sum of 81738076992's digits is 60
- More coming soon!
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