81452079321712

Names of 81452079321712

• Cardinal: 81452079321712 can be written as Eighty-one trillion, four hundred fifty-two billion, seventy-nine million, three hundred twenty-one thousand, seven hundred twelve.

Scientific notation

• Scientific notation: 8.1452079321712 × 10¹³

Factors of 81452079321712

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 571

Divisors of 81452079321712

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 4 8 11 16 19 22 38 44 76 88 109 137 152 176 209 218 274 293 304 361 418 436 548 586 722 836 872 1096 1172 1199 1444 1507 1672 1744 2071 2192 2344 2398 2603 2888 3014 3223 3344 3971 4142 4688 4796 5206 5567 5776 6028 6446 7942 8284 9592 10412 11134 12056 12892 14933 15884 16568 19184 20824 22268 22781 24112 25784 28633 29866 31768 31937 33136 39349 40141 41648 44536 45562 49457 51568 57266 59732 61237 63536 63874 78698 80282 85849 89072 91124 98914 105773 114532 119464 122474 127748 157396 160564 164263 171698 182248 197828 211546 229064 238928 244948 255496 283727 314792 321128 328526 343396 351307 364496 395656 423092 432839 441551 458128 489896 510992 544027 567454 606803 629584 642256 657052 686792 702614 762679 791312 846184 865678 883102 944339 979792 1088054 1134908 1163503 1213606 1314104 1373584 1405228 1525358 1631131 1692368 1731356 1766204 1888678 2176108 2269816 2327006 2427212 2628208 2810456 3050716 3120997 3262262 3462712 3532408 3777356 4352216 4375369 4539632 4654012 4854424 5390813 5620912 6101432 6241994 6524524 6674833 6925424 7064816 7554712 8389469 8704432 8750738 9308024 9357541 9708848 10781626 11529257 11761313 12202864 12483988 13049048 13349666 14490901 15109424 16778938 17501476 17942441 18616048 18715082 21563252 23058514 23522626 24967976 26098096 26699332 28981802 30991489 33557876 35002952 35884882 37430164 43126504 46117028 47045252 48129059 49935952 53398664 57963604 59298943 61982978 67115752 70005904 71769764 74860328 83132011 86253008 92234056 94090504 96258118 102932951 106797328 115927208 118597886 123965956 126821827 129374443 134231504 143539528 149720656 159399911 166264022 177793279 184468112 188181008 192516236 205865902 223464947 231854416 237195772 247931912 253643654 258748886 287079056 318799822 332528044 340906379 355586558 385032472 411731804 446929894 474391544 495863824 507287308 517497772 637599644 665056088 681812758 711173116 770064944 823463608 893859788 914452121 948783088 1014574616 1034995544 1275199288 1281983117 1330112176 1363625516 1422346232 1579508209 1646927216 1787719576 1828904242 1955726069 2029149232 2069991088 2458114417 2550398576 2563966234 2727251032 2844692464 3159016418 3378072301 3575439152 3657808484 3911452138 4245833993 4916228834 5127932468 5454502064 6318032836 6756144602 7315616968 7822904276 8491667986 9832457668 10255864936 12636065672 13512289204 14101814287 14631233936 15645808552 16983335972 17374590299 19664915336 20511729872 24357679223 25272131344 27024578408 28203628574 31291617104 33966671944 34749180598 37158795311 39329830672 46704173923 48715358446 54049156816 56407257148 67933343888 69498361196 74317590622 93408347846 97430716892 112814514296 138996722392 148635181244 186816695692 194861433784 225629028592 267934471453 277993444784 297270362488 373633391384 389722867568 462795905237 535868942906 594540724976 747266782768 925591810474 1071737885812 1851183620948 2143475771624 3702367241896 4286951543248 5090754957607 7404734483792 10181509915214 20363019830428 40726039660856 81452079321712
• Sum of all divisors σ(n): 185335954681680
• Sum of proper divisors (its aliquot sum) s(n): 103883875359968
• 81452079321712 is an abundant number, because the sum of its proper divisors (103883875359968) is greater than itself. Its abundance is 22431796038256

Bases of 81452079321712

• Binary: 10010100001010010001010010000010001001001110000₂
• Hexadecimal: 0x4A148A411270
• Base-36: SVEKGZX4G

Squares and roots of 81452079321712

• 81452079321712 squared (81452079321712²) is 6634441225830463581994610944
• 81452079321712 cubed (81452079321712³) is 540389032981579115931618128075602852016128
• The square root of 81452079321712 is 9025080.5714803455
• The cube root of 81452079321712 is 43347.8330286485

Scales and comparisons

• 81,452,079,321,712 seconds is equal to 2,589,924 years, 9 weeks, 13 hours, 21 minutes, 52 seconds.
• To count from 1 to 81,452,079,321,712 would take you about six million, four hundred seventy-four thousand, eight hundred ten 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 81452079321712 cubic inches would be around 3612.3 feet tall.

Recreational maths with 81452079321712

• 81452079321712 backwards is 21712397025418
• The number of decimal digits it has is: 14
• The sum of 81452079321712's digits is 52
• More coming soon!