81315037488000

Names of 81315037488000

• Cardinal: 81315037488000 can be written as Eighty-one trillion, three hundred fifteen billion, thirty-seven million, four hundred eighty-eight thousand.

Scientific notation

• Scientific notation: 8.1315037488 × 10¹³

Factors of 81315037488000

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 610

Divisors of 81315037488000

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 64 75 79 80 96 100 120 125 128 150 158 160 192 200 237 240 250 300 316 320 375 384 395 400 474 480 500 521 600 632 640 750 790 800 948 960 1000 1042 1185 1200 1264 1500 1563 1580 1600 1896 1920 1975 2000 2084 2370 2400 2528 2605 3000 3126 3160 3200 3792 3950 4000 4168 4740 4800 5056 5210 5925 6000 6241 6252 6320 7584 7815 7900 8000 8336 9480 9600 9875 10112 10420 11850 12000 12482 12504 12640 13025 15168 15630 15800 16000 16672 18723 18960 19750 20840 23700 24000 24964 25008 25280 26050 29625 30336 31205 31260 31600 33344 37446 37920 39075 39500 41159 41680 47400 48000 49928 50016 50560 52100 59250 62410 62520 63200 65125 66688 74892 75840 78150 79000 82318 83360 93615 94800 99856 100032 104200 118500 123477 124820 125040 126400 130250 149784 151680 156025 156300 158000 164636 166720 187230 189600 195375 199712 200064 205795 208400 237000 246954 249640 250080 252800 260500 271441 299568 312050 312600 316000 329272 333440 374460 379200 390750 399424 411590 416800 468075 474000 493908 499280 500160 521000 542882 599136 617385 624100 625200 632000 658544 748920 758400 780125 781500 798848 814323 823180 833600 936150 948000 987816 998560 1000320 1028975 1042000 1085764 1198272 1234770 1248200 1250400 1264000 1317088 1357205 1497840 1560250 1563000 1628646 1646360 1667200 1872300 1896000 1975632 1997120 2057950 2084000 2171528 2340375 2396544 2469540 2496400 2500800 2634176 2714410 2995680 3086925 3120500 3126000 3251561 3257292 3292720 3744600 3792000 3951264 3994240 4071615 4115900 4168000 4343056 4680750 4939080 4992800 5001600 5144875 5268352 5428820 5991360 6173850 6241000 6252000 6503122 6514584 6585440 6786025 7489200 7902528 8143230 8231800 8336000 8686112 9361500 9754683 9878160 9985600 10289750 10857640 11982720 12347700 12482000 12504000 13006244 13029168 13170880 13572050 14978400 15434625 15805056 16257805 16286460 16463600 17372224 18723000 19509366 19756320 19971200 20358075 20579500 21443839 21715280 24695400 24964000 25008000 26012488 26058336 26341760 27144100 29956800 30869250 32515610 32572920 32927200 33930125 34744448 37446000 39018732 39512640 40716150 41159000 42887678 43430560 48773415 49390800 49928000 52024976 52116672 54288200 59913600 61738500 64331517 65031220 65145840 65854400 67860250 74892000 78037464 79025280 81289025 81432300 82318000 85775356 86861120 97546830 98781600 99856000 101790375 104049952 104233344 107219195 108576400 123477000 128663034 130062440 130291680 131708800 135720500 149784000 156074928 162578050 162864600 164636000 171550712 173722240 195093660 197563200 203580750 208099904 214438390 217152800 243867075 246954000 257326068 260124880 260583360 271441000 299568000 312149856 321657585 325156100 325729200 329272000 343101424 390187320 395126400 406445125 407161500 416199808 428876780 434305600 487734150 493908000 514652136 520249760 521166720 536095975 542882000 624299712 643315170 650312200 651458400 658544000 686202848 780374640 812890250 814323000 857753560 868611200 975468300 987816000 1029304272 1040499520 1072191950 1085764000 1219335375 1248599424 1286630340 1300624400 1302916800 1372405696 1560749280 1608287925 1625780500 1628646000 1694063281 1715507120 1950936600 1975632000 2058608544 2080999040 2144383900 2171528000 2438670750 2573260680 2601248800 2605833600 2680479875 2744811392 3121498560 3216575850 3251561000 3257292000 3388126562 3431014240 3901873200 4117217088 4288767800 4343056000 4877341500 5082189843 5146521360 5202497600 5360959750 6242997120 6433151700 6503122000 6514584000 6776253124 6862028480 7803746400 8041439625 8234434176 8470316405 8577535600 9754683000 10164379686 10293042720 10404995200 10721919500 12866303400 13006244000 13029168000 13552506248 13724056960 15607492800 16082879250 16940632810 17155071200 19509366000 20328759372 20586085440 21443839000 25410949215 25732606800 26012488000 27105012496 31214985600 32165758500 33881265620 34310142400 39018732000 40657518744 41172170880 42351582025 42887678000 50821898430 51465213600 52024976000 54210024992 64331517000 67762531240 68620284800 78037464000 81315037488 84703164050 85775356000 101643796860 102930427200 108420049984 127054746075 128663034000 135525062480 156074928000 162630074976 169406328100 171550712000 203287593720 205860854400 211757910125 216840099968 254109492150 257326068000 271050124960 325260149952 338812656200 343101424000 406575187440 423515820250 508218984300 514652136000 542100249920 635273730375 650520299904 677625312400 813150374880 847031640500 1016437968600 1029304272000 1084200499840 1270547460750 1355250624800 1626300749760 1694063281000 2032875937200 2541094921500 2710501249600 3252601499520 3388126562000 4065751874400 5082189843000 5421002499200 6776253124000 8131503748800 10164379686000 13552506248000 16263007497600 20328759372000 27105012496000 40657518744000 81315037488000
• Sum of all divisors σ(n): 273539710931760
• Sum of proper divisors (its aliquot sum) s(n): 192224673443760
• 81315037488000 is an abundant number, because the sum of its proper divisors (192224673443760) is greater than itself. Its abundance is 110909635955760

Bases of 81315037488000

• Binary: 10010011111010010100001111011001010001110000000₂
• Hexadecimal: 0x49F4A1ECA380
• Base-36: STNM1TTHC

Squares and roots of 81315037488000

• 81315037488000 squared (81315037488000²) is 6612135321674845350144000000
• 81315037488000 cubed (81315037488000³) is 537666031557718988593561846198272000000000
• The square root of 81315037488000 is 9017485.0977420527
• The cube root of 81315037488000 is 43323.5087008841

Scales and comparisons

• 81,315,037,488,000 seconds is equal to 2,585,566 years, 34 weeks, 5 days, 5 hours, 20 minutes.
• To count from 1 to 81,315,037,488,000 would take you about six million, four hundred sixty-three thousand, nine hundred sixteen 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 81315037488000 cubic inches would be around 3610.3 feet tall.

Recreational maths with 81315037488000

• 81315037488000 backwards is 00088473051318
• 81315037488000 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 81315037488000's digits is 48
• More coming soon!