81293943792000

Names of 81293943792000

• Cardinal: 81293943792000 can be written as Eighty-one trillion, two hundred ninety-three billion, nine hundred forty-three million, seven hundred ninety-two thousand.

Scientific notation

• Scientific notation: 8.1293943792 × 10¹³

Factors of 81293943792000

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 727

Divisors of 81293943792000

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 37 40 48 50 60 64 74 75 80 96 100 111 120 125 128 148 150 160 185 192 193 200 222 240 250 296 300 320 370 375 384 386 400 444 480 487 500 555 579 592 600 640 740 750 772 800 888 925 960 965 974 1000 1110 1158 1184 1200 1461 1480 1500 1544 1600 1776 1850 1920 1930 1948 2000 2220 2316 2368 2400 2435 2775 2895 2922 2960 3000 3088 3200 3552 3700 3860 3896 4000 4440 4625 4632 4736 4800 4825 4870 5550 5790 5844 5920 6000 6176 7104 7141 7305 7400 7720 7792 8000 8880 9250 9264 9600 9650 9740 11100 11580 11688 11840 12000 12175 12352 13875 14208 14282 14475 14610 14800 15440 15584 16000 17760 18019 18500 18528 19300 19480 21423 22200 23160 23376 23680 24000 24125 24350 24704 27750 28564 28950 29220 29600 30880 31168 35520 35705 36038 36525 37000 37056 38600 38960 42846 44400 46320 46752 48000 48250 48700 54057 55500 57128 57900 58440 59200 60875 61760 62336 71040 71410 72076 72375 73050 74000 74112 77200 77920 85692 88800 90095 92640 93504 93991 96500 97400 107115 108114 111000 114256 115800 116880 118400 121750 123520 142820 144152 144750 146100 148000 154400 155840 171384 177600 178525 180190 182625 185280 187008 187982 193000 194800 214230 216228 222000 228512 231600 233760 237169 243500 270285 281973 285640 288304 289500 292200 296000 308800 311680 342768 355200 357050 360380 365250 370560 375964 386000 389600 428460 432456 444000 450475 457024 463200 467520 469955 474338 487000 535575 540570 563946 571280 576608 579000 584400 592000 617600 685536 711507 714100 720760 730500 751928 772000 779200 856920 864912 888000 892625 900950 914048 926400 935040 939910 948676 974000 1071150 1081140 1127892 1142560 1153216 1158000 1168800 1185845 1351425 1371072 1409865 1423014 1428200 1441520 1461000 1503856 1544000 1558400 1713840 1729824 1776000 1785250 1801900 1852800 1879820 1897352 1948000 2142300 2162280 2252375 2255784 2285120 2306432 2316000 2337600 2349775 2371690 2677875 2702850 2742144 2819730 2846028 2856400 2883040 2922000 3007712 3088000 3427680 3459648 3477667 3557535 3570500 3603800 3759640 3794704 3896000 4284600 4324560 4504750 4511568 4570240 4632000 4675200 4699550 4743380 5355750 5405700 5639460 5692056 5712800 5766080 5844000 5929225 6015424 6757125 6855360 6919296 6955334 7049325 7115070 7141000 7207600 7519280 7589408 7792000 8569200 8649120 8775253 9009500 9023136 9264000 9399100 9486760 10433001 10711500 10811400 11278920 11384112 11425600 11532160 11688000 11748875 11858450 12030848 13514250 13710720 13910668 14098650 14230140 14282000 14415200 15038560 15178816 17138400 17298240 17388335 17550506 17787675 18019000 18046272 18798200 18973520 20866002 21423000 21622800 22557840 22768224 22851200 23376000 23497750 23716900 26325759 27028500 27821336 28197300 28460280 28564000 28830400 29646125 30077120 30357632 34276800 34596480 34776670 35101012 35246625 35575350 36038000 36092544 37596400 37947040 41732004 42846000 43245600 43876265 45115680 45536448 45773617 46995500 47433800 52165005 52651518 54057000 55642672 56394600 56920560 57128000 57660800 59292250 60154240 68553600 69553340 70202024 70493250 71150700 72076000 75192800 75894080 83464008 85692000 86491200 86941675 87752530 88938375 90231360 91072896 91547234 93991000 94867600 104330010 105303036 108114000 111285344 112789200 113841120 114256000 118584500 131628795 137320851 139106680 140404048 140986500 142301400 144152000 150385600 151788160 166928016 171384000 172982400 173883350 175505060 177876750 180462720 183094468 187982000 189735200 208660020 210606072 216228000 219381325 222570688 225578400 227682240 228868085 237169000 260825025 263257590 274641702 278213360 280808096 281973000 284602800 288304000 300771200 333856032 342768000 347766700 351010120 355753500 366188936 375964000 379470400 417320040 421212144 432456000 434708375 438762650 445141376 451156800 455364480 457736170 474338000 521650050 526515180 549283404 556426720 561616192 563946000 569205600 658143975 667712064 686604255 695533400 702020240 711507000 732377872 751928000 758940800 834640080 842424288 864912000 869416750 877525300 902313600 915472340 948676000 1043300100 1053030360 1096906625 1098566808 1112853440 1123232384 1127892000 1138411200 1144340425 1304125125 1316287950 1335424128 1373208510 1391066800 1404040480 1423014000 1464755744 1503856000 1669280160 1684848576 1693623829 1738833500 1755050600 1830944680 1897352000 2086600200 2106060720 2193813250 2197133616 2225706880 2255784000 2276822400 2288680850 2608250250 2632575900 2746417020 2782133600 2808080960 2846028000 2929511488 3290719875 3338560320 3369697152 3387247658 3433021275 3477667000 3510101200 3661889360 3794704000 4173200400 4212121440 4387626500 4394267232 4511568000 4577361700 5080871487 5216500500 5265151800 5492834040 5564267200 5616161920 5692056000 5721702125 5859022976 6581439750 6677120640 6774495316 6866042550 6955334000 7020202400 7323778720 8346400800 8424242880 8468119145 8775253000 8788534464 9154723400 10161742974 10433001000 10530303600 10985668080 11128534400 11384112000 11443404250 13162879500 13548990632 13732085100 13910668000 14040404800 14647557440 16692801600 16848485760 16936238290 17165106375 17550506000 17577068928 18309446800 20323485948 20866002000 21060607200 21971336160 22886808500 25404357435 26325759000 27097981264 27464170200 27821336000 28080809600 29295114880 33385603200 33872476580 34330212750 35101012000 36618893600 40646971896 41732004000 42121214400 42340595725 43942672320 45773617000 50808714870 52651518000 54195962528 54928340400 55642672000 67744953160 68660425500 70202024000 73237787200 81293943792 83464008000 84242428800 84681191450 87885344640 91547234000 101617429740 105303036000 108391925056 109856680800 127021787175 135489906320 137320851000 140404048000 146475574400 162587887584 166928016000 169362382900 183094468000 203234859480 210606072000 211702978625 216783850112 219713361600 254043574350 270979812640 274641702000 325175775168 338724765800 366188936000 406469718960 421212144000 423405957250 439426723200 508087148700 541959625280 549283404000 635108935875 650351550336 677449531600 732377872000 812939437920 846811914500 1016174297400 1083919250560 1098566808000 1270217871750 1354899063200 1625878875840 1693623829000 2032348594800 2197133616000 2540435743500 2709798126400 3251757751680 3387247658000 4064697189600 5080871487000 5419596252800 6774495316000 8129394379200 10161742974000 13548990632000 16258788758400 20323485948000 27097981264000 40646971896000 81293943792000
• Sum of all divisors σ(n): 278779418124480
• Sum of proper divisors (its aliquot sum) s(n): 197485474332480
• 81293943792000 is an abundant number, because the sum of its proper divisors (197485474332480) is greater than itself. Its abundance is 116191530540480

Bases of 81293943792000

• Binary: 10010011110111110111000101001000110000110000000₂
• Hexadecimal: 0x49EFB8A46180
• Base-36: STDX76PHC

Squares and roots of 81293943792000

• 81293943792000 squared (81293943792000²) is 6608705297256855339264000000
• 81293943792000 cubed (81293943792000³) is 537247716973091449736802706649088000000000
• The square root of 81293943792000 is 9016315.4221666403
• The cube root of 81293943792000 is 43319.7622353601

Scales and comparisons

• 81,293,943,792,000 seconds is equal to 2,584,895 years, 49 weeks, 4 days, 5 hours, 20 minutes.
• To count from 1 to 81,293,943,792,000 would take you about six million, four hundred sixty-two thousand, two hundred thirty-nine 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 81293943792000 cubic inches would be around 3610 feet tall.

Recreational maths with 81293943792000

• 81293943792000 backwards is 00029734939218
• The number of decimal digits it has is: 14
• The sum of 81293943792000's digits is 57
• More coming soon!