81442304182944

Names of 81442304182944

• Cardinal: 81442304182944 can be written as Eighty-one trillion, four hundred forty-two billion, three hundred four million, one hundred eighty-two thousand, nine hundred forty-four.

Scientific notation

• Scientific notation: 8.1442304182944 × 10¹³

Factors of 81442304182944

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 17832

Divisors of 81442304182944

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 61 72 96 122 144 183 244 288 366 488 549 732 976 1098 1464 1952 2196 2928 3721 4392 5856 7177 7442 8784 10589 11163 14354 14884 17568 21178 21531 22326 28708 29768 31767 33489 42356 43062 44652 57416 59536 63534 64593 66978 84712 86124 89304 95301 114832 119072 127068 129186 133956 169424 172248 178608 190602 229664 254136 258372 267912 338848 344496 357216 381204 437797 508272 516744 535824 645929 688992 762408 875594 1016544 1033488 1071648 1291858 1313391 1524816 1751188 1937787 2066976 2583716 2626782 3049632 3502376 3875574 3940173 5167432 5253564 5813361 7004752 7751148 7880346 10334864 10507128 11626722 14009504 15502296 15760692 20669728 21014256 23253444 26705617 31004592 31521384 39401669 42028512 46506888 53411234 62009184 63042768 75997253 78803338 80116851 93013776 106822468 118205007 126085536 151994506 157606676 160233702 186027552 213644936 227991759 236410014 240350553 303989012 315213352 320467404 354615021 427289872 455983518 472820028 480701106 607978024 630426704 640934808 683975277 709230042 854579744 911967036 945640056 961402212 1215956048 1260853408 1281869616 1367950554 1418460084 1823934072 1891280112 1922804424 2431912096 2563739232 2735901108 2836920168 3647868144 3782560224 3845608848 4635832433 5471802216 5673840336 7295736288 7691217696 9271664866 10943604432 11347680672 13907497299 18543329732 21887208864 27814994598 37086659464 41722491897 55629989196 74173318928 83444983794 111259978392 148346637856 166889967588 222519956784 282785778413 333779935176 445039913568 565571556826 667559870352 848357335239 1131143113652 1335119740704 1696714670478 2262286227304 2545072005717 3393429340956 4524572454608 5090144011434 6786858681912 9049144909216 10180288022868 13573717363824 20360576045736 27147434727648 40721152091472 81442304182944
• Sum of all divisors σ(n): 235515588120540
• Sum of proper divisors (its aliquot sum) s(n): 154073283937596
• 81442304182944 is an abundant number, because the sum of its proper divisors (154073283937596) is greater than itself. Its abundance is 72630979754652

Bases of 81442304182944

• Binary: 10010100001001001000011100111000100101010100000₂
• Hexadecimal: 0x4A12439C4AA0
• Base-36: SVA2T4RS0

Squares and roots of 81442304182944

• 81442304182944 squared (81442304182944²) is 6632848910627177759420507136
• 81442304182944 cubed (81442304182944³) is 540194498578807352850542214023706601488384
• The square root of 81442304182944 is 9024539.0011315259
• The cube root of 81442304182944 is 43346.0988882041

Scales and comparisons

• 81,442,304,182,944 seconds is equal to 2,589,613 years, 18 weeks, 3 days, 9 hours, 2 minutes, 24 seconds.
• To count from 1 to 81,442,304,182,944 would take you about six million, four hundred seventy-four thousand and thirty-three 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 81442304182944 cubic inches would be around 3612.2 feet tall.

Recreational maths with 81442304182944

• 81442304182944 backwards is 44928140324418
• The number of decimal digits it has is: 14
• The sum of 81442304182944's digits is 54
• More coming soon!