81664298237200

Names of 81664298237200

• Cardinal: 81664298237200 can be written as Eighty-one trillion, six hundred sixty-four billion, two hundred ninety-eight million, two hundred thirty-seven thousand, two hundred.

Scientific notation

• Scientific notation: 8.16642982372 × 10¹³

Factors of 81664298237200

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 911

Divisors of 81664298237200

• Number of divisors d(n): 540
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 25 28 31 35 37 40 50 56 62 70 74 80 100 112 124 140 148 155 175 185 200 217 248 259 280 296 310 350 370 400 434 496 518 560 592 620 700 740 775 829 868 925 1036 1085 1147 1240 1295 1369 1400 1480 1550 1658 1736 1850 2072 2170 2294 2480 2590 2738 2800 2960 3100 3316 3472 3700 4144 4145 4340 4588 5180 5425 5476 5735 5803 6200 6475 6632 6845 7400 8029 8290 8680 9176 9583 10360 10850 10952 11470 11606 12400 12950 13264 13690 14800 16058 16580 17360 18352 19166 20720 20725 21700 21904 22940 23212 25699 25900 27380 28675 29015 30673 32116 33160 34225 38332 40145 41450 42439 43400 45880 46424 47915 51398 51800 54760 57350 58030 61346 64232 66320 68450 76664 80290 82900 84878 86800 91760 92848 95830 102796 103600 109520 114700 116060 122692 128464 128495 136900 145075 153328 153365 160580 165800 169756 179893 191660 200725 205592 212195 214711 229400 232120 239575 245384 256990 273800 290150 297073 306730 321160 331600 339512 359786 383320 401450 411184 424390 429422 458800 464240 479150 490768 513980 547600 580300 594146 613460 642320 642475 679024 687241 719572 766640 766825 802900 848780 858844 899465 950863 958300 1027960 1060975 1073555 1134901 1160600 1188292 1226920 1284950 1374482 1439144 1485365 1533650 1605800 1697560 1717688 1798930 1901726 1916600 2055920 2121950 2147110 2269802 2321200 2376584 2453840 2569900 2748964 2878288 2970730 3067300 3211600 3395120 3435376 3436205 3597860 3803452 3833200 4243900 4294220 4497325 4539604 4753168 4754315 4810687 5139800 5367775 5497928 5674505 5941460 6134600 6656041 6872410 7195720 7426825 7606904 7944307 8487800 8588440 8994650 9079208 9508630 9621374 10279600 10735550 10995856 11349010 11882920 12269200 13312082 13744820 14391440 14853650 15213808 15888614 16975600 17176880 17181025 17989300 18158416 19017260 19242748 21304471 21471100 22698020 23765840 23771575 24053435 25427917 26624164 27489640 28372525 29707300 31777228 33280205 34362050 35181931 35978600 38034520 38485496 39721535 42608942 42942200 45396040 47543150 48106870 50855834 53248328 54979280 56745050 59414600 63554456 66560410 68724100 70363862 71957200 76069040 76970992 79443070 85217884 85884400 90792080 95086300 96213740 101711668 106496656 106522355 113490100 118829200 120267175 127108912 127139585 133120820 137448200 140727724 149131297 158886140 166401025 170435768 175909655 177995419 190172600 192427480 198607675 203423336 213044710 226980200 240534350 246273517 254279170 266241640 274896400 281455448 298262594 317772280 332802050 340871536 351819310 355990838 380345200 384854960 397215350 406846672 426089420 453960400 481068700 492547034 508558340 532483280 532611775 562910896 596525188 635544560 635697925 665604100 703638620 711981676 745656485 788265427 794430700 852178840 879548275 889977095 940832929 962137400 985094068 1017116680 1065223550 1193050376 1231367585 1271395850 1331208200 1407277240 1423963352 1491312970 1576530854 1588861400 1704357680 1759096550 1779954190 1881665858 1924274800 1970188136 2034233360 2130447100 2386100752 2462735170 2542791700 2662416400 2814554480 2847926704 2982625940 3153061708 3177722800 3518193100 3559908380 3728282425 3763331716 3940376272 3941327135 4260894200 4449885475 4704164645 4925470340 5085583400 5517857989 5965251880 6156837925 6306123416 6585830503 7036386200 7119816760 7456564850 7526663432 7882654270 8521788400 8899770950 9408329290 9850940680 10171166800 11035715978 11930503760 12313675850 12612246832 13171661006 14072772400 14239633520 14913129700 15053326864 15765308540 17799541900 18816658580 19701881360 19706635675 22071431956 23520823225 24627351700 26343322012 27589289945 29165820799 29826259400 31530617080 32929152515 35599083800 37633317160 39413271350 44142863912 47041646450 49254703400 52686644024 55178579890 58331641598 59652518800 63061234160 65858305030 71198167600 75266634320 78826542700 88285727824 94083292900 98509406800 105373288048 110357159780 116663283196 131716610060 137946449725 145829103995 157653085400 164645762575 188166585800 204160745593 220714319560 233326566392 263433220120 275892899450 291658207990 315306170800 329291525150 376333171600 408321491186 441428639120 466653132784 526866440240 551785798900 583316415980 658583050300 729145519975 816642982372 1020803727965 1103571597800 1166632831960 1317166100600 1458291039950 1633285964744 2041607455930 2207143195600 2333265663920 2634332201200 2916582079900 3266571929488 4083214911860 5104018639825 5833164159800 8166429823720 10208037279650 11666328319600 16332859647440 20416074559300 40832149118600 81664298237200
• Sum of all divisors σ(n): 238172000516352
• Sum of proper divisors (its aliquot sum) s(n): 156507702279152
• 81664298237200 is an abundant number, because the sum of its proper divisors (156507702279152) is greater than itself. Its abundance is 74843404041952

Bases of 81664298237200

• Binary: 10010100100010111110011011111001011110100010000₂
• Hexadecimal: 0x4A45F37CBD10
• Base-36: SY426NSB4

Squares and roots of 81664298237200

• 81664298237200 squared (81664298237200²) is 6669057606574347027463840000
• 81664298237200 cubed (81664298237200³) is 544623909344354699085656328898742848000000
• The square root of 81664298237200 is 9036830.0989450941
• The cube root of 81664298237200 is 43385.4471790877

Scales and comparisons

• 81,664,298,237,200 seconds is equal to 2,596,672 years, 4 weeks, 1 day, 6 minutes, 40 seconds.
• To count from 1 to 81,664,298,237,200 would take you about six million, four hundred ninety-one thousand, six hundred eighty 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 81664298237200 cubic inches would be around 3615.5 feet tall.

Recreational maths with 81664298237200

• 81664298237200 backwards is 00273289246618
• The number of decimal digits it has is: 14
• The sum of 81664298237200's digits is 58
• More coming soon!