81671880793121476

Names of 81671880793121476

• Cardinal: 81671880793121476 can be written as Eighty-one quadrillion, six hundred seventy-one trillion, eight hundred eighty billion, seven hundred ninety-three million, one hundred twenty-one thousand, four hundred seventy-six.

Scientific notation

• Scientific notation: 8.1671880793121476 × 10¹⁶

Factors of 81671880793121476

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 16468

Divisors of 81671880793121476

• Number of divisors d(n): 243
• Complete list of divisors:
  1 2 4 11 13 22 26 44 52 61 121 122 143 169 242 244 286 338 484 572 671 676 793 1342 1573 1586 1859 2684 3146 3172 3718 3721 6292 7381 7436 7442 8723 10309 14762 14884 16381 17446 20449 20618 29524 32762 34892 40898 40931 41236 48373 65524 81796 81862 95953 96746 113399 163724 180191 191906 193492 212953 226798 360382 383812 425906 450241 453596 532103 628849 720764 851812 900482 999241 1064206 1247389 1257698 1800964 1982101 1998482 2128412 2342483 2494778 2515396 2768389 3964202 3996964 4684966 4989556 5536778 5853133 6917339 7928404 9369932 10991651 11073556 11706266 12990133 13834678 21983302 23412532 25767313 25980266 27669356 30452279 43966604 51534626 51960532 60904558 60953701 76090729 103069252 120908161 121809116 121907402 142891463 152181458 168871729 241816322 243814804 268337161 285782926 304362916 334975069 337743458 483632644 536674322 571565852 669950138 670490711 675486916 792398113 1073348644 1339900276 1340981422 1571806093 1584796226 1857589019 2681962844 2951708771 3143612186 3169592452 3488383093 3715178038 5903417542 6287224372 6976766186 7375397821 7430356076 8716379243 10301175469 11806835084 13953532372 14750795642 16368566821 17432758486 20433479209 20602350938 29501591284 32468796481 32737133642 34865516972 38372214023 40866958418 41204701876 45348980209 64937592962 65474267284 76744428046 81733916836 90697960418 95880171673 113312930159 129875185924 153488856092 180054235031 181395920836 191760343346 212791368673 226625860318 360108470062 383520686692 422094354253 425582737346 453251720636 498838782299 720216940124 844188708506 851165474692 997677564598 998482576081 1246442231749 1688377417012 1980596585341 1995355129196 1996965152162 2340705055403 2492884463498 2766287792749 3961193170682 3993930304324 4681410110806 4985768926996 5487226605289 5532575585498 7922386341364 9362820221612 10974453210578 10983308336891 11065151170996 12980273489053 21948906421156 21966616673782 25747755609433 25960546978106 30429165720239 43933233347564 51495511218866 51921093956212 60858331440478 102991022437732 120816391705801 121716662880956 142783008379583 168743555357689 241632783411602 285566016759166 334720822922629 337487110715378 483265566823204 571132033518332 669441645845258 674974221430756 1338883291690516 1570613092175413 1856179108934579 3141226184350826 3712358217869158 6282452368701652 7424716435738316 20417970198280369 40835940396560738 81671880793121476
• Sum of all divisors σ(n): 172959509720762037
• Sum of proper divisors (its aliquot sum) s(n): 91287628927640561
• 81671880793121476 is an abundant number, because the sum of its proper divisors (91287628927640561) is greater than itself. Its abundance is 9615748134519085

Bases of 81671880793121476

• Binary: 100100010001010000010010010010010110011111110001011000100₂
• Hexadecimal: 0x122282492CFE2C4
• Base-36: MC69K2MR2DG

Squares and roots of 81671880793121476

• 81671880793121476 squared (81671880793121476²) is 6670296112285844655631435692418576
• 81671880793121476 cubed (81671880793121476³) is 544775628937431128346582787280042837212983006938176
• 81671880793121476 is a perfect square number. Its square root is 285782926
• The cube root of 81671880793121476 is 433867.8992169497

Scales and comparisons

• 81,671,880,793,121,476 seconds is equal to 2,596,913,181 years, 26 weeks, 2 days, 12 hours, 51 minutes, 16 seconds.
• To count from 1 to 81,671,880,793,121,476 would take you about seven billion, seven hundred ninety million, seven hundred thirty-nine thousand, five hundred forty-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 81671880793121476 cubic inches would be around 36155.7 feet tall.

Recreational maths with 81671880793121476

• 81671880793121476 backwards is 67412139708817618
• The number of decimal digits it has is: 17
• The sum of 81671880793121476's digits is 79
• More coming soon!