81327390144
81,327,390,144 is an even composite number composed of seven prime numbers multiplied together.
81327390144 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of six hundred seventy-two divisors.
Prime factorization of 81327390144:
26 × 3 × 72 × 11 × 13 × 61 × 991
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 7 × 7 × 11 × 13 × 61 × 991)See below for interesting mathematical facts about the number 81327390144 from the Numbermatics database.
Names of 81327390144
- Cardinal: 81327390144 can be written as Eighty-one billion, three hundred twenty-seven million, three hundred ninety thousand, one hundred forty-four.
Scientific notation
- Scientific notation: 8.1327390144 × 1010
Factors of 81327390144
Divisors of 81327390144
- Number of divisors d(n): 672
-
Complete list of divisors:
1 2 3 4 6 7 8 11 12 13 14 16 21 22 24 26 28 32 33 39 42 44 48 49 52 56 61 64 66 77 78 84 88 91 96 98 104 112 122 132 143 147 154 156 168 176 182 183 192 196 208 224 231 244 264 273 286 294 308 312 336 352 364 366 392 416 427 429 448 462 488 528 539 546 572 588 616 624 637 671 672 704 728 732 784 793 832 854 858 924 976 991 1001 1056 1078 1092 1144 1176 1232 1248 1274 1281 1342 1344 1456 1464 1568 1586 1617 1708 1716 1848 1911 1952 1982 2002 2013 2112 2156 2184 2288 2352 2379 2464 2496 2548 2562 2684 2912 2928 2973 2989 3003 3136 3172 3234 3416 3432 3696 3822 3904 3964 4004 4026 4312 4368 4576 4697 4704 4758 4928 5096 5124 5368 5551 5824 5856 5946 5978 6006 6344 6468 6832 6864 6937 7007 7392 7644 7928 8008 8052 8624 8723 8736 8967 9152 9394 9408 9516 10192 10248 10736 10901 11102 11712 11892 11956 12012 12688 12883 12936 13664 13728 13874 14014 14091 14784 15288 15856 16016 16104 16653 17248 17446 17472 17934 18788 19032 20384 20496 20811 21021 21472 21802 22204 23784 23912 24024 25376 25766 25872 26169 27328 27456 27748 28028 28182 30576 31712 32032 32208 32703 32879 33306 34496 34892 35868 37576 38064 38649 38857 40768 40992 41622 42042 42944 43604 44408 47568 47824 48048 48559 50752 51532 51744 52338 55496 56056 56364 60451 61061 61152 63424 64064 64416 65406 65758 66612 69784 71736 75152 76128 76307 77298 77714 81984 83244 84084 87208 88816 90181 95136 95648 96096 97118 98637 103064 103488 104676 110992 112112 112728 116571 120902 122122 122304 128832 130812 131516 133224 139568 141713 143472 145677 150304 152256 152614 154596 155428 166488 168168 174416 177632 180362 181353 183183 190272 191296 192192 194236 197274 206128 209352 221984 224224 225456 228921 233142 241804 244244 261624 263032 266448 270543 279136 283426 286944 291354 300608 305228 309192 310856 332976 336336 348832 355264 360724 362706 366366 388472 394548 412256 418704 423157 425139 427427 443968 448448 450912 457842 466284 483608 488488 523248 526064 532896 534149 541086 558272 566852 573888 582708 610456 618384 621712 631267 664961 665952 672672 697664 721448 725412 732732 776944 785863 789096 824512 837408 846314 850278 854854 901824 915684 932568 967216 976976 991991 1046496 1052128 1065792 1068298 1082172 1133704 1165416 1220912 1236768 1243424 1262534 1269471 1282281 1329922 1331904 1345344 1442896 1450824 1465464 1553888 1571726 1578192 1602447 1674816 1692628 1700556 1709708 1831368 1865136 1893801 1934432 1953952 1983982 1994883 2092992 2104256 2136596 2164344 2267408 2330832 2357589 2441824 2473536 2486848 2525068 2538942 2564562 2659844 2885792 2901648 2930928 2962099 2975973 3107776 3143452 3156384 3204894 3385256 3401112 3419416 3662736 3730272 3787602 3868864 3907904 3967964 3989766 4273192 4328688 4534816 4654727 4661664 4715178 4883648 5050136 5077884 5129124 5319688 5501041 5771584 5803296 5861856 5924198 5951946 6286904 6312768 6409788 6770512 6802224 6838832 6943937 7325472 7460544 7575204 7935928 7979532 8546384 8644493 8657376 8886297 9069632 9309454 9323328 9430356 10100272 10155768 10258248 10639376 11002082 11606592 11723712 11848396 11903892 12573808 12819576 13541024 13604448 13677664 13887874 13964181 14650944 15150408 15871856 15959064 16503123 17092768 17288986 17314752 17772594 18618908 18860712 20200544 20311536 20516496 20831811 21278752 22004164 23696792 23807784 25147616 25639152 25933479 27082048 27208896 27355328 27775748 27928362 30300816 31743712 31918128 32583089 33006246 34185536 34577972 35545188 37237816 37721424 38507287 40401088 40623072 41032992 41663622 42557504 44008328 47393584 47615568 50295232 51278304 51866958 55551496 55856724 60511451 60601632 63487424 63836256 65166178 66012492 69155944 71090376 74475632 75442848 77014574 81246144 82065984 83327244 88016656 94787168 95231136 97749267 102556608 103733916 111102992 111713448 115521861 121022902 121203264 127672512 130332356 132024984 138311888 142180752 148951264 150885696 154029148 166654488 176033312 181534353 189574336 190462272 195498534 207467832 222205984 223426896 231043722 242045804 260664712 264049968 276623776 284361504 297902528 308058296 333308976 352066624 363068706 390997068 414935664 423580157 444411968 446853792 462087444 484091608 521329424 528099936 553247552 568723008 616116592 666617952 726137412 781994136 829871328 847160314 893707584 924174888 968183216 1042658848 1056199872 1232233184 1270740471 1333235904 1452274824 1563988272 1659742656 1694320628 1848349776 1936366432 2085317696 2464466368 2541480942 2904549648 3127976544 3388641256 3696699552 3872732864 5082961884 5809099296 6255953088 6777282512 7393399104 10165923768 11618198592 13554565024 20331847536 27109130048 40663695072 81327390144
- Sum of all divisors σ(n): 299192850432
- Sum of proper divisors (its aliquot sum) s(n): 217865460288
- 81327390144 is an abundant number, because the sum of its proper divisors (217865460288) is greater than itself. Its abundance is 136538070144
Bases of 81327390144
- Binary: 10010111011110111110101111101110000002
- Hexadecimal: 0x12EF7D7DC0
- Base-36: 11D087UO
Squares and roots of 81327390144
- 81327390144 squared (813273901442) is 6614144387634388340736
- 81327390144 cubed (813273901443) is 537911101081889869817841480105984
-
The
square root of 81327390144 is 285179.5752574157 -
The
cube root of 81327390144 is 4332.5702363621
Scales and comparisons
How big is 81327390144?- 81,327,390,144 seconds is equal to 2,585 years, 49 weeks, 6 days, 5 hours, 42 minutes, 24 seconds.
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To count from 1 to 81,327,390,144 would take you about five thousand, one hundred seventy-one 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 81327390144 cubic inches would be around 361 feet tall.
Recreational maths with 81327390144
- 81327390144 backwards is 44109372318
- 81327390144 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 81327390144's digits is 42
- More coming soon!
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"Number 81327390144 - Facts about the integer". Numbermatics.com. 2024. Web. 12 May 2024.
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The information we have on file for 81327390144 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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