81015142032000

Names of 81015142032000

• Cardinal: 81015142032000 can be written as Eighty-one trillion, fifteen billion, one hundred forty-two million, thirty-two thousand.

Scientific notation

• Scientific notation: 8.1015142032 × 10¹³

Factors of 81015142032000

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 4150

Divisors of 81015142032000

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 25 27 30 32 33 36 40 44 45 48 50 54 55 60 64 66 72 75 80 88 90 96 99 100 108 110 120 125 128 132 135 144 150 160 165 176 180 192 198 200 216 220 225 240 250 264 270 275 288 297 300 320 330 352 360 375 384 396 400 432 440 450 480 495 500 528 540 550 576 594 600 640 660 675 704 720 750 792 800 825 864 880 900 960 990 1000 1056 1080 1100 1125 1152 1188 1200 1320 1350 1375 1408 1440 1485 1500 1584 1600 1650 1728 1760 1800 1920 1980 2000 2112 2160 2200 2250 2376 2400 2475 2640 2700 2750 2880 2970 3000 3168 3200 3300 3375 3456 3520 3600 3960 4000 4125 4129 4224 4320 4400 4500 4752 4800 4950 5280 5400 5500 5760 5940 6000 6336 6600 6750 7040 7200 7425 7920 8000 8250 8258 8640 8800 9000 9504 9600 9900 10560 10800 11000 11880 12000 12375 12387 12672 13200 13500 14400 14850 15840 16000 16500 16516 17280 17600 18000 19008 19800 20645 21120 21600 22000 23760 24000 24750 24774 26400 27000 28800 29700 31680 33000 33032 35200 36000 37125 37161 38016 39600 41290 43200 44000 45419 47520 48000 49500 49548 52800 54000 59400 61935 63360 66000 66064 72000 74250 74322 79200 82580 86400 88000 90838 95040 99000 99096 103225 105600 108000 111483 118800 123870 132000 132128 136257 144000 148500 148644 158400 165160 176000 181676 185805 190080 198000 198192 206450 216000 222966 227095 237600 247740 264000 264256 272514 297000 297288 309675 316800 330320 363352 371610 396000 396384 408771 412900 432000 445932 454190 475200 495480 516125 528000 528512 545028 557415 594000 594576 619350 660640 681285 726704 743220 792000 792768 817542 825800 891864 908380 929025 950400 990960 1032250 1090056 1114830 1135475 1188000 1189152 1226313 1238700 1321280 1362570 1453408 1486440 1548375 1584000 1585536 1635084 1651600 1783728 1816760 1858050 1981920 2043855 2064500 2180112 2229660 2270950 2376000 2378304 2452626 2477400 2642560 2725140 2787075 2906816 2972880 3096750 3270168 3303200 3406425 3567456 3633520 3716100 3963840 4087710 4129000 4360224 4459320 4541900 4645125 4752000 4756608 4905252 4954800 5450280 5574150 5677375 5813632 5945760 6131565 6193500 6540336 6606400 6812850 7134912 7267040 7432200 7927680 8175420 8258000 8720448 8918640 9083800 9290250 9810504 9909600 10219275 10900560 11148300 11354750 11891520 12263130 12387000 13080672 13212800 13625700 13935375 14269824 14534080 14864400 16350840 16516000 17032125 17048641 17440896 17837280 18167600 18580500 19621008 19819200 20438550 21801120 22296600 22709500 23783040 24526260 24774000 26161344 27251400 27870750 29068160 29728800 30657825 32701680 33032000 34064250 34097282 35674560 36335200 37161000 39242016 39638400 40877100 43602240 44593200 45419000 49052520 49548000 51096375 51145923 52322688 54502800 55741500 59457600 61315650 65403360 66064000 68128500 68194564 71349120 72670400 74322000 78484032 81754200 85243205 87204480 89186400 90838000 98105040 99096000 102192750 102291846 109005600 111483000 118915200 122631300 130806720 136257000 136389128 145340800 148644000 153289125 153437769 156968064 163508400 170486410 178372800 181676000 187535051 196210080 198192000 204385500 204583692 218011200 222966000 245262600 255729615 261613440 272514000 272778256 297288000 306578250 306875538 327016800 340972820 356745600 363352000 375070102 392420160 408771000 409167384 426216025 436022400 445932000 460313307 490525200 511459230 545028000 545556512 562605153 594576000 613156500 613751076 654033600 681945640 726704000 750140204 767188845 784840320 817542000 818334768 852432050 891864000 920626614 937675255 981050400 1022918460 1090056000 1091113024 1125210306 1226313000 1227502152 1278648075 1308067200 1363891280 1500280408 1534377690 1635084000 1636669536 1687815459 1704864100 1783728000 1841253228 1875350510 1962100800 2045836920 2131080125 2180112000 2182226048 2250420612 2301566535 2452626000 2455004304 2557296150 2727782560 2813025765 3000560816 3068755380 3270168000 3273339072 3375630918 3409728200 3682506456 3750701020 3835944225 3924201600 4091673840 4262160250 4500841224 4603133070 4688376275 4905252000 4910008608 5063446377 5114592300 5455565120 5626051530 6001121632 6137510760 6393240375 6540336000 6546678144 6751261836 6819456400 7365012912 7501402040 7671888450 8183347680 8439077295 8524320500 9001682448 9206266140 9376752550 9810504000 9820017216 10126892754 10229184600 10911130240 11252103060 11507832675 12002243264 12275021520 12786480750 13502523672 13638912800 14065128825 14730025824 15002804080 15343776900 16366695360 16878154590 17048641000 18003364896 18412532280 18753505100 19179721125 19621008000 19640034432 20253785508 20458369200 22504206120 23015665350 23441881375 24004486528 24550043040 25317231885 25572961500 27005047344 27277825600 28130257650 29460051648 30005608160 30687553800 32733390720 33756309180 34097282000 36006729792 36825064560 37507010200 38359442250 40507571016 40916738400 42195386475 45008412240 46031330700 46883762750 49100086080 50634463770 51145923000 54010094688 54555651200 56260515300 57539163375 58920103296 60011216320 61375107600 67512618360 68194564000 70325644125 72013459584 73650129120 75014020400 76718884500 81015142032 81833476800 84390772950 90016824480 92062661400 93767525500 98200172160 101268927540 102291846000 108020189376 112521030600 115078326750 120022432640 122750215200 126586159425 135025236720 136389128000 140651288250 147300258240 150028040800 153437769000 162030284064 163666953600 168781545900 180033648960 184125322800 187535051000 202537855080 204583692000 210976932375 216040378752 225042061200 230156653500 245500430400 253172318850 270050473440 272778256000 281302576500 294600516480 300056081600 306875538000 324060568128 337563091800 360067297920 368250645600 375070102000 405075710160 409167384000 421953864750 450084122400 460313307000 491000860800 506344637700 540100946880 562605153000 600112163200 613751076000 632930797125 648121136256 675126183600 736501291200 750140204000 810151420320 818334768000 843907729500 900168244800 920626614000 1012689275400 1080201893760 1125210306000 1227502152000 1265861594250 1350252367200 1473002582400 1500280408000 1620302840640 1687815459000 1800336489600 1841253228000 2025378550800 2250420612000 2455004304000 2531723188500 2700504734400 3000560816000 3240605681280 3375630918000 3682506456000 4050757101600 4500841224000 5063446377000 5401009468800 6751261836000 7365012912000 8101514203200 9001682448000 10126892754000 13502523672000 16203028406400 20253785508000 27005047344000 40507571016000 81015142032000
• Sum of all divisors σ(n): 325612430582400
• Sum of proper divisors (its aliquot sum) s(n): 244597288550400
• 81015142032000 is an abundant number, because the sum of its proper divisors (244597288550400) is greater than itself. Its abundance is 163582146518400

Bases of 81015142032000

• Binary: 10010011010111011001110110000110010001010000000₂
• Hexadecimal: 0x49AECEC32280
• Base-36: SPTUBTEO0

Squares and roots of 81015142032000

• 81015142032000 squared (81015142032000²) is 6563453238465133089024000000
• 81015142032000 cubed (81015142032000³) is 531739096334643122887062260256768000000000
• The square root of 81015142032000 is 9000841.1846893511
• The cube root of 81015142032000 is 43270.1830633533

Scales and comparisons

• 81,015,142,032,000 seconds is equal to 2,576,030 years, 47 weeks, 6 days.
• To count from 1 to 81,015,142,032,000 would take you about six million, four hundred forty thousand and seventy-seven 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 81015142032000 cubic inches would be around 3605.8 feet tall.

Recreational maths with 81015142032000

• 81015142032000 backwards is 00023024151018
• 81015142032000 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 81015142032000's digits is 27
• More coming soon!