81940981426326

Names of 81940981426326

• Cardinal: 81940981426326 can be written as Eighty-one trillion, nine hundred forty billion, nine hundred eighty-one million, four hundred twenty-six thousand, three hundred twenty-six.

Scientific notation

• Scientific notation: 8.1940981426326 × 10¹³

Factors of 81940981426326

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 2018

Divisors of 81940981426326

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 6 9 11 18 22 23 27 33 46 54 66 69 81 99 121 138 162 198 207 242 243 253 297 363 414 486 506 529 594 621 726 759 891 1058 1089 1242 1331 1518 1587 1782 1863 1979 2178 2277 2662 2673 2783 3174 3267 3726 3958 3993 4554 4761 5346 5566 5589 5819 5937 6534 6831 7986 8349 9522 9801 11178 11638 11874 11979 13662 14283 14641 16698 17457 17811 19602 20493 21769 23958 25047 28566 29282 29403 30613 34914 35622 35937 40986 42849 43538 43923 45517 50094 52371 53433 58806 61226 61479 64009 65307 71874 75141 85698 87846 91034 91839 104742 106866 107811 122958 128018 128547 130614 131769 136551 150282 157113 160299 161051 183678 192027 195921 215622 225423 239459 257094 263538 273102 275517 314226 320598 322102 323433 336743 384054 391842 395307 409653 450846 471339 478918 480897 483153 500687 551034 576081 587763 646866 673486 676269 704099 718377 790614 819306 826551 942678 961794 966306 1001374 1010229 1046891 1152162 1175526 1185921 1228959 1352538 1408198 1414017 1436754 1449459 1502061 1653102 1728243 1763289 2020458 2093782 2112297 2155131 2371842 2457918 2479653 2634049 2828034 2898918 3004122 3030687 3140673 3456486 3526578 3557763 3686877 3704173 4224594 4310262 4348377 4506183 4959306 5184729 5268098 5289867 5507557 6061374 6281346 6336891 6465393 7115526 7373754 7408346 7438959 7745089 7902147 8696754 9012366 9092061 9422019 10369458 10579734 11015114 11060631 11112519 11515801 12673782 12930786 13045131 13518549 14877918 15490178 15554187 15804294 16522671 18184122 18844038 19010673 19396179 22121262 22225038 23031602 23235267 23706441 26090262 27037098 27276183 28266057 28974539 31108374 33045342 33337557 34547403 38021346 38792358 39135393 40555647 46470534 47412882 49568013 54552366 56532114 57032019 57949078 58188537 60583127 66675114 69094806 69705801 71119323 78270786 81111294 81828549 84798171 85195979 86923617 99136026 100012671 103642209 114064038 116377074 121166254 121666941 126673811 139411602 142238646 148704039 163657098 169596342 170391958 171096057 173847234 181749381 200025342 207284418 209117403 213357969 243333882 253347622 254394513 255587937 260770851 297408078 300038013 310926627 318719929 342192114 363498762 380021433 418234806 426715938 446112117 508789026 511175874 521541702 545248143 600076026 621853254 627352209 637439858 640073907 666414397 760042866 766763811 782312553 892224234 900114039 932779881 956159787 1090496286 1140064299 1254704418 1280147814 1332828794 1338336351 1393411921 1533527622 1564625106 1635744429 1800228078 1865559762 1882056627 1912319574 1999243191 2280128598 2300291433 2346937659 2676672702 2786823842 2798339643 2868479361 3271488858 3420192897 3764113254 3998486382 4180235763 4600582866 4693875318 4907233287 5596679286 5736958722 5997729573 6840385794 6900874299 7040812977 7330558367 8360471526 8605438083 9814466574 10260578691 11995459146 12540707289 13801748598 14081625954 14661116734 14721699861 15327531131 17210876166 17993188719 20521157382 20702622897 21991675101 25081414578 25816314249 29443399722 30655062262 30781736073 35986377438 37622121867 41405245794 43983350202 45982593393 51632628498 53979566157 61563472146 65975025303 75244243734 77448942747 91965186786 107959132314 112866365601 131950050606 137947780179 154897885494 161938698471 168602842441 197925075909 225732731202 275895560358 323877396942 337205684882 338599096803 395850151818 413843340537 505808527323 593775227727 677198193606 827686681074 1011617054646 1187550455454 1241530021611 1517425581969 1781325683181 2483060043222 3034851163938 3562651366362 3724590064833 4552276745907 7449180129666 9104553491814 13656830237721 27313660475442 40970490713163 81940981426326
• Sum of all divisors σ(n): 211820908178880
• Sum of proper divisors (its aliquot sum) s(n): 129879926752554
• 81940981426326 is an abundant number, because the sum of its proper divisors (129879926752554) is greater than itself. Its abundance is 47938945326228

Bases of 81940981426326

• Binary: 10010101000011001011111000101110010100010010110₂
• Hexadecimal: 0x4A865F172896
• Base-36: T1N60ORDI

Squares and roots of 81940981426326

• 81940981426326 squared (81940981426326²) is 6714324437109502513365858276
• 81940981426326 cubed (81940981426326³) is 550178333991516520342309807555621651373976
• The square root of 81940981426326 is 9052125.7959843885
• The cube root of 81940981426326 is 43434.3893845095

Scales and comparisons

• 81,940,981,426,326 seconds is equal to 2,605,469 years, 38 weeks, 6 days, 17 hours, 32 minutes, 6 seconds.
• To count from 1 to 81,940,981,426,326 would take you about six million, five hundred thirteen thousand, six hundred seventy-four 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 81940981426326 cubic inches would be around 3619.5 feet tall.

Recreational maths with 81940981426326

• 81940981426326 backwards is 62362418904918
• The number of decimal digits it has is: 14
• The sum of 81940981426326's digits is 63
• More coming soon!