81804054837240

Names of 81804054837240

• Cardinal: 81804054837240 can be written as Eighty-one trillion, eight hundred four billion, fifty-four million, eight hundred thirty-seven thousand, two hundred forty.

Scientific notation

• Scientific notation: 8.180405483724 × 10¹³

Factors of 81804054837240

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 732896

Divisors of 81804054837240

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 17 18 20 24 30 34 36 40 45 51 60 68 71 72 85 90 102 120 136 142 153 170 180 204 213 255 257 284 306 340 355 360 408 426 510 514 568 612 639 680 710 765 771 852 1020 1028 1065 1207 1224 1278 1285 1420 1530 1542 1704 2040 2056 2130 2313 2414 2556 2570 2840 3060 3084 3195 3621 3855 4260 4369 4626 4828 5112 5140 6035 6120 6168 6390 7242 7710 8520 8738 9252 9656 10280 10863 11565 12070 12780 13107 14484 15420 17476 18105 18247 18504 21726 21845 23130 24140 25560 26214 28968 30840 34952 36210 36494 39321 43452 43690 46260 48280 52428 54315 54741 65535 72420 72988 78642 86904 87380 91235 92520 104856 108630 109482 131070 144840 145976 157284 164223 174760 182470 196605 217260 218964 262140 273705 310199 314568 328446 364940 393210 434520 437928 524280 547410 620398 656892 729880 732541 786420 821115 930597 1094820 1240796 1313784 1465082 1550995 1572840 1642230 1861194 2189640 2197623 2481592 2791791 2930164 3101990 3284460 3662705 3722388 4395246 4652985 5583582 5860328 6203980 6568920 6592869 7325410 7444776 8790492 9305970 10988115 11167164 12407960 12453197 13185738 13958955 14650820 17580984 18611940 21976230 22334328 24906394 26371476 27917910 29301640 32964345 37223880 37359591 43952460 49812788 52010411 52742952 55835820 62265985 65928690 74719182 87904920 99625576 104020822 111671640 112078773 124531970 131857380 149438364 156031233 186797955 188263037 208041644 224157546 249063940 260052055 263714760 298876728 312062466 373595910 376526074 416083288 448315092 468093699 498127880 520104110 560393865 564789111 624124932 747191820 753052148 780156165 884176987 896630184 936187398 941315185 1040208220 1120787730 1129578222 1248249864 1494383640 1506104296 1560312330 1694367333 1768353974 1872374796 1882630370 2080416440 2241575460 2259156444 2340468495 2652530961 2823945555 3120624660 3200471629 3388734666 3536707948 3744749592 3765260740 4420884935 4483150920 4518312888 4680936990 5305061922 5647891110 6241249320 6400943258 6777469332 7073415896 7530521480 7957592883 8471836665 8841769870 9361873980 9601414887 10610123844 11295782220 12801886516 13262654805 13366675627 13554938664 15915185766 16002358145 16943673330 17683539740 18723747960 19202829774 21220247688 22591564440 25603773032 26525309610 26733351254 28804244661 31830371532 32004716290 33887346660 35367079480 38405659548 39787964415 40100026881 48007074435 53050619220 53466702508 57608489322 63660743064 64009432580 66833378135 67774693320 76811319096 79575928830 80200053762 96014148870 106101238440 106933405016 115216978644 120300080643 128018865160 133666756270 144021223305 159151857660 160400107524 192028297740 200500134405 227233485659 230433957288 240600161286 267333512540 288042446610 318303715320 320800215048 384056595480 401000268810 454466971318 481200322572 534667025080 576084893220 601500403215 681700456977 802000537620 908933942636 962400645144 1136167428295 1152169786440 1203000806430 1363400913954 1604001075240 1817867885272 2045101370931 2272334856590 2406001612860 2726801827908 3408502284885 4090202741862 4544669713180 4812003225720 5453603655816 6817004569770 8180405483724 9089339426360 10225506854655 13634009139540 16360810967448 20451013709310 27268018279080 40902027418620 81804054837240
• Sum of all divisors σ(n): 286578166043520
• Sum of proper divisors (its aliquot sum) s(n): 204774111206280
• 81804054837240 is an abundant number, because the sum of its proper divisors (204774111206280) is greater than itself. Its abundance is 122970056369040

Bases of 81804054837240

• Binary: 10010100110011001111101101000010011011111111000₂
• Hexadecimal: 0x4A667DA137F8
• Base-36: SZW9I4R20

Squares and roots of 81804054837240

• 81804054837240 squared (81804054837240²) is 6691903387814169042890817600
• 81804054837240 cubed (81804054837240³) is 547424831702262418763303648524458527424000
• The square root of 81804054837240 is 9044559.4053685113
• The cube root of 81804054837240 is 43410.1823739709

Scales and comparisons

• 81,804,054,837,240 seconds is equal to 2,601,115 years, 47 weeks, 1 day, 5 hours, 54 minutes.
• To count from 1 to 81,804,054,837,240 would take you about six million, five hundred two thousand, seven hundred eighty-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 81804054837240 cubic inches would be around 3617.5 feet tall.

Recreational maths with 81804054837240

• 81804054837240 backwards is 04273845040818
• The number of decimal digits it has is: 14
• The sum of 81804054837240's digits is 54
• More coming soon!