81371676672
81,371,676,672 is an even composite number composed of six prime numbers multiplied together.
81371676672 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of seven hundred twenty divisors.
Prime factorization of 81371676672:
214 × 32 × 11 × 13 × 17 × 227
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 11 × 13 × 17 × 227)See below for interesting mathematical facts about the number 81371676672 from the Numbermatics database.
Names of 81371676672
- Cardinal: 81371676672 can be written as Eighty-one billion, three hundred seventy-one million, six hundred seventy-six thousand, six hundred seventy-two.
Scientific notation
- Scientific notation: 8.1371676672 × 1010
Factors of 81371676672
Divisors of 81371676672
- Number of divisors d(n): 720
-
Complete list of divisors:
1 2 3 4 6 8 9 11 12 13 16 17 18 22 24 26 32 33 34 36 39 44 48 51 52 64 66 68 72 78 88 96 99 102 104 117 128 132 136 143 144 153 156 176 187 192 198 204 208 221 227 234 256 264 272 286 288 306 312 352 374 384 396 408 416 429 442 454 468 512 528 544 561 572 576 612 624 663 681 704 748 768 792 816 832 858 884 908 936 1024 1056 1088 1122 1144 1152 1224 1248 1287 1326 1362 1408 1496 1536 1584 1632 1664 1683 1716 1768 1816 1872 1989 2043 2048 2112 2176 2244 2288 2304 2431 2448 2496 2497 2574 2652 2724 2816 2951 2992 3072 3168 3264 3328 3366 3432 3536 3632 3744 3859 3978 4086 4096 4224 4352 4488 4576 4608 4862 4896 4992 4994 5148 5304 5448 5632 5902 5984 6144 6336 6528 6656 6732 6864 7072 7264 7293 7488 7491 7718 7956 8172 8192 8448 8704 8853 8976 9152 9216 9724 9792 9984 9988 10296 10608 10896 11264 11577 11804 11968 12288 12672 13056 13312 13464 13728 14144 14528 14586 14976 14982 15436 15912 16344 16384 16896 17408 17706 17952 18304 18432 19448 19584 19968 19976 20592 21216 21792 21879 22473 22528 23154 23608 23936 24576 25344 26112 26559 26624 26928 27456 28288 29056 29172 29952 29964 30872 31824 32461 32688 33792 34731 34816 35412 35904 36608 36864 38896 39168 39936 39952 41184 42432 42449 43584 43758 44946 45056 46308 47216 47872 49152 50167 50688 52224 53118 53248 53856 54912 56576 58112 58344 59904 59928 61744 63648 64922 65376 67584 69462 69632 70824 71808 73216 73728 77792 78336 79872 79904 82368 84864 84898 87168 87516 89892 90112 92616 94432 95744 97383 100334 101376 104448 106236 106496 107712 109824 113152 116224 116688 119808 119856 123488 127296 127347 129844 130752 135168 138924 139264 141648 143616 146432 147456 150501 155584 156672 159744 159808 164736 169728 169796 174336 175032 179784 180224 185232 188864 191488 194766 200668 202752 208896 212472 212992 215424 219648 226304 232448 233376 239616 239712 246976 254592 254694 259688 261504 270336 277848 278528 283296 287232 292149 292864 301002 311168 313344 319488 319616 329472 339456 339592 348672 350064 359568 370464 377728 382041 382976 389532 401336 405504 417792 424944 430848 439296 451503 452608 464896 466752 479232 479424 493952 509184 509388 519376 523008 540672 551837 555696 566592 574464 584298 585728 602004 622336 626688 638976 639232 658944 678912 679184 697344 700128 719136 740928 755456 764082 765952 779064 802672 811008 835584 849888 861696 878592 903006 905216 929792 933504 958464 958848 987904 1018368 1018776 1038752 1046016 1103674 1111392 1133184 1148928 1168596 1171456 1204008 1244672 1253376 1278464 1317888 1357824 1358368 1394688 1400256 1438272 1481856 1510912 1528164 1531904 1558128 1605344 1622016 1655511 1699776 1723392 1757184 1806012 1810432 1859584 1867008 1916928 1917696 1975808 2036736 2037552 2077504 2092032 2207348 2222784 2266368 2297856 2337192 2342912 2408016 2489344 2506752 2556928 2635776 2715648 2716736 2789376 2800512 2876544 2963712 3021824 3056328 3063808 3116256 3210688 3311022 3399552 3446784 3514368 3612024 3620864 3719168 3734016 3835392 3951616 4073472 4075104 4155008 4184064 4414696 4445568 4532736 4595712 4674384 4816032 4966533 4978688 5113856 5271552 5431296 5433472 5578752 5601024 5753088 5927424 6043648 6112656 6232512 6421376 6622044 6799104 6893568 7028736 7224048 7468032 7670784 7903232 8146944 8150208 8310016 8368128 8829392 8891136 9065472 9191424 9348768 9632064 9933066 9957376 10227712 10543104 10862592 10866944 11157504 11202048 11506176 11854848 12087296 12225312 12465024 12842752 13244088 13598208 13787136 14448096 14936064 15341568 15806464 16293888 16300416 16620032 16736256 17658784 17782272 18130944 18697536 19264128 19866132 19914752 20455424 21086208 21733888 22404096 23012352 23709696 24174592 24450624 24930048 25685504 26488176 27196416 27574272 28896192 29872128 30683136 31612928 32587776 32600832 33240064 33472512 35317568 35564544 36261888 37395072 38528256 39732264 39829504 40910848 43467776 44808192 46024704 47419392 48349184 48901248 49860096 51371008 52976352 54392832 57792384 59744256 61366272 63225856 65201664 66480128 70635136 71129088 72523776 74790144 77056512 79464528 86935552 89616384 92049408 94838784 97802496 99720192 102742016 105952704 108785664 115584768 119488512 122732544 130403328 132960256 141270272 142258176 145047552 149580288 154113024 158929056 173871104 179232768 184098816 189677568 195604992 199440384 205484032 211905408 217571328 231169536 260806656 265920512 282540544 284516352 299160576 308226048 317858112 347742208 358465536 368197632 391209984 398880768 410968064 423810816 435142656 462339072 521613312 531841024 565081088 569032704 598321152 616452096 635716224 695484416 782419968 797761536 821936128 847621632 924678144 1043226624 1130162176 1196642304 1232904192 1271432448 1564839936 1595523072 1695243264 1849356288 2086453248 2260324352 2393284608 2465808384 2542864896 3129679872 3390486528 3698712576 4520648704 4786569216 5085729792 6259359744 6780973056 7397425152 9041297408 10171459584 13561946112 20342919168 27123892224 40685838336 81371676672
- Sum of all divisors σ(n): 293695077312
- Sum of proper divisors (its aliquot sum) s(n): 212323400640
- 81371676672 is an abundant number, because the sum of its proper divisors (212323400640) is greater than itself. Its abundance is 130951723968
Bases of 81371676672
- Binary: 10010111100100010000101000000000000002
- Hexadecimal: 0x12F2214000
- Base-36: 11DQLFK0
Squares and roots of 81371676672
- 81371676672 squared (813716766722) is 6621349764412508995584
- 81371676672 cubed (813716766723) is 538790332161998054020952723816448
-
The
square root of 81371676672 is 285257.2114285631 -
The
cube root of 81371676672 is 4333.3565219955
Scales and comparisons
How big is 81371676672?- 81,371,676,672 seconds is equal to 2,587 years, 19 weeks, 19 hours, 31 minutes, 12 seconds.
-
To count from 1 to 81,371,676,672 would take you about five thousand, one hundred seventy-four 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 81371676672 cubic inches would be around 361.1 feet tall.
Recreational maths with 81371676672
- 81371676672 backwards is 27667617318
- The number of decimal digits it has is: 11
- The sum of 81371676672's digits is 54
- More coming soon!
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The information we have on file for 81371676672 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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