81983969760

Names of 81983969760

• Cardinal: 81983969760 can be written as Eighty-one billion, nine hundred eighty-three million, nine hundred sixty-nine thousand, seven hundred sixty.

Scientific notation

• Scientific notation: 8.198396976 × 10¹⁰

Factors of 81983969760

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 280

Divisors of 81983969760

• Number of divisors d(n): 960
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 11 12 14 15 16 20 21 22 24 28 29 30 32 33 35 40 42 44 48 49 55 56 58 60 66 70 77 80 84 87 88 96 98 105 110 112 116 120 132 140 145 147 154 160 165 168 174 176 196 203 210 220 223 224 231 232 240 245 264 280 290 294 308 319 330 336 343 348 352 385 392 406 420 435 440 446 462 464 480 490 528 539 560 580 588 609 616 638 660 669 672 686 696 735 770 784 812 840 870 880 892 924 928 957 980 1015 1029 1056 1078 1115 1120 1155 1160 1176 1218 1232 1276 1320 1338 1372 1392 1421 1470 1540 1561 1568 1595 1617 1624 1680 1715 1740 1760 1784 1848 1914 1960 2030 2058 2156 2230 2233 2310 2320 2352 2401 2436 2453 2464 2552 2640 2676 2695 2744 2784 2842 2940 3045 3080 3122 3190 3234 3248 3345 3360 3430 3480 3568 3696 3773 3828 3920 4060 4116 4263 4312 4460 4466 4620 4640 4683 4704 4785 4802 4872 4906 5104 5145 5280 5352 5390 5488 5684 5880 6090 6160 6244 6380 6467 6468 6496 6690 6699 6860 6960 7105 7136 7203 7359 7392 7546 7656 7805 7840 8085 8120 8232 8526 8624 8920 8932 9240 9366 9570 9604 9744 9812 9947 10208 10290 10704 10780 10927 10976 11165 11319 11368 11760 12005 12180 12265 12320 12488 12760 12934 12936 13380 13398 13720 13920 14210 14406 14718 15092 15312 15610 15631 16170 16240 16464 17052 17171 17248 17840 17864 18480 18732 18865 19140 19208 19401 19488 19624 19894 20580 21315 21408 21560 21854 22330 22638 22736 23415 23520 24010 24360 24530 24976 25520 25868 25872 26411 26760 26796 27440 28420 28812 29436 29841 30184 30624 31220 31262 32335 32340 32480 32781 32928 33495 34104 34342 35680 35728 36015 36795 36960 37464 37730 38280 38416 38802 39248 39788 41160 42630 43120 43708 44660 45269 45276 45472 46830 46893 48020 48720 49060 49735 49952 51040 51513 51736 51744 52822 53520 53592 54635 54880 56595 56840 57624 58872 59682 60368 62440 62524 64670 64680 65562 66990 68208 68684 69629 71137 71456 72030 73590 74928 75460 76489 76560 76832 77604 78155 78496 79233 79576 82320 85260 85855 86240 87416 89320 90538 90552 93660 93786 96040 97005 97440 98120 99470 103026 103472 105644 107040 107184 109270 109417 113190 113680 115248 117744 119364 120197 120736 124880 125048 129340 129360 131124 132055 133980 135807 136416 137368 139258 142274 144060 147180 149205 149856 150920 152978 153120 155208 156310 158466 159152 163905 164640 170520 171710 174832 178640 181076 181104 187320 187572 192080 194010 196240 198940 206052 206944 208887 211288 213411 214368 218540 218834 226345 226380 227360 229467 230496 234465 235488 238728 240394 249760 250096 257565 258680 258720 262248 264110 267960 271614 274736 278516 284548 288120 294360 298410 301840 305956 310416 312620 316883 316932 318304 327810 328251 341040 343420 348145 349664 355685 357280 360591 362152 362208 374640 375144 382445 384160 388020 392480 396165 397880 412104 417774 422576 426822 437080 437668 452690 452760 458934 468930 477456 480788 497959 500192 515130 517360 524496 528220 535423 535920 543228 547085 549472 557032 569096 576240 588720 596820 600985 603680 611912 620832 625240 633766 633864 655620 656502 679035 682080 686840 696290 711370 721182 724304 749280 750288 764890 765919 776040 792330 795760 824208 835548 841379 845152 853644 874160 875336 905380 905520 917868 937860 950649 954912 961576 995918 1030260 1034720 1044435 1048992 1056440 1067055 1070846 1071840 1086456 1094170 1114064 1138192 1147335 1152480 1177440 1193640 1201970 1223824 1250480 1267532 1267728 1311240 1313004 1358070 1373680 1392580 1422740 1442364 1448608 1493877 1500576 1529780 1531838 1552080 1584415 1584660 1591520 1606269 1641255 1648416 1671096 1682758 1707288 1748320 1750672 1802955 1810760 1811040 1835736 1875720 1901298 1923152 1991836 2060520 2088870 2112880 2134110 2141692 2172912 2188340 2218181 2228128 2276384 2294670 2297757 2387280 2403940 2447648 2489795 2500960 2524137 2535064 2535456 2622480 2626008 2677115 2716140 2747360 2785160 2845480 2884728 2987754 3059560 3063676 3104160 3168830 3169320 3212538 3282510 3342192 3365516 3414576 3485713 3501344 3605910 3621520 3671472 3751440 3802596 3829595 3846304 3983672 4121040 4177740 4206895 4225760 4268220 4283384 4345824 4376680 4436362 4589340 4595514 4753245 4774560 4807880 4979590 5048274 5070128 5244960 5252016 5354230 5432280 5570320 5690960 5769456 5889653 5975508 6119120 6127352 6337660 6338640 6425076 6565020 6654543 6684384 6731032 6829152 6971426 7211820 7243040 7342944 7469385 7502880 7605192 7659190 7967344 8031345 8242080 8355480 8413790 8536440 8566768 8753360 8872724 9178680 9191028 9506490 9615760 9959180 10096548 10140256 10457139 10504032 10708460 10864560 11090905 11140640 11381920 11488785 11538912 11779306 11951016 12238240 12254704 12620685 12675320 12677280 12850152 13130040 13309086 13462064 13942852 14423640 14938770 15210384 15318380 15527267 15934688 16062690 16710960 16827580 17072880 17133536 17428565 17506720 17668959 17745448 18357360 18382056 19012980 19231520 19918360 20193096 20914278 21416920 21729120 22181810 22977570 23558612 23902032 24399991 24509408 25241370 25350640 25700304 26260080 26618172 26924128 27885704 28847280 29448265 29877540 30420768 30636760 31054534 32125380 33272715 33421920 33655160 34145760 34857130 35337918 35490896 36714720 36764112 38025960 39836720 40386192 41828556 42833840 44363620 45955140 46581801 47117224 47804064 48799982 50482740 50701280 51400608 52285695 52520160 53236344 55771408 57694560 58896530 59755080 61273520 62109068 64250760 66545430 67310320 69714260 70675836 70981792 73199973 73528224 76051920 77636335 79673440 80772384 83657112 85667680 88344795 88727240 91910280 93163602 94234448 97599964 100965480 104571390 106472688 111542816 117793060 119510160 121999955 122547040 124218136 128501520 133090860 134620640 139428520 141351672 146399946 152103840 155272670 167314224 170799937 176689590 177454480 183820560 186327204 188468896 195199928 201930960 209142780 212945376 232909005 235586120 239020320 243999910 248436272 257003040 266181720 278857040 282703344 292799892 310545340 334628448 341599874 353379180 354908960 365999865 367641120 372654408 390399856 403861920 418285560 465818010 471172240 487999820 496872544 512399811 532363440 557714080 565406688 585599784 621090680 683199748 706758360 731999730 745308816 780799712 836571120 853999685 931636020 942344480 975999640 1024799622 1064726880 1171199568 1242181360 1366399496 1413516720 1463999460 1490617632 1673142240 1707999370 1863272040 1951999280 2049599244 2342399136 2484362720 2561999055 2732798992 2827033440 2927998920 3415998740 3726544080 3903998560 4099198488 5123998110 5465597984 5855997840 6831997480 7453088160 8198396976 10247996220 11711995680 13663994960 16396793952 20495992440 27327989920 40991984880 81983969760
• Sum of all divisors σ(n): 341519431680
• Sum of proper divisors (its aliquot sum) s(n): 259535461920
• 81983969760 is an abundant number, because the sum of its proper divisors (259535461920) is greater than itself. Its abundance is 177551492160

Bases of 81983969760

• Binary: 1001100010110101000000001100111100000₂
• Hexadecimal: 0x1316A019E0
• Base-36: 11NV4ZXC

Squares and roots of 81983969760

• 81983969760 squared (81983969760²) is 6721371297608594457600
• 81983969760 cubed (81983969760³) is 551044701208874968327982002176000
• The square root of 81983969760 is 286328.4298842851
• The cube root of 81983969760 is 4344.1983653639

Scales and comparisons

• 81,983,969,760 seconds is equal to 2,606 years, 43 weeks, 3 days, 12 hours, 56 minutes.
• To count from 1 to 81,983,969,760 would take you about five thousand, two hundred thirteen 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 81983969760 cubic inches would be around 362 feet tall.

Recreational maths with 81983969760

• 81983969760 backwards is 06796938918
• 81983969760 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 81983969760's digits is 66
• More coming soon!