81744832512

Names of 81744832512

• Cardinal: 81744832512 can be written as Eighty-one billion, seven hundred forty-four million, eight hundred thirty-two thousand, five hundred twelve.

Scientific notation

• Scientific notation: 8.1744832512 × 10¹⁰

Factors of 81744832512

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 3162

Divisors of 81744832512

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 29 32 36 42 48 49 56 58 63 64 72 84 87 96 98 112 116 126 128 144 147 168 174 192 196 203 224 232 252 256 261 288 294 336 348 384 392 406 441 448 464 504 512 522 576 588 609 672 696 768 784 812 882 896 928 1008 1024 1044 1152 1176 1218 1344 1392 1421 1536 1568 1624 1764 1792 1827 1856 2016 2048 2088 2304 2352 2436 2688 2784 2842 3072 3121 3136 3248 3528 3584 3654 3712 4032 4176 4263 4608 4704 4872 5376 5568 5684 6144 6242 6272 6496 7056 7168 7308 7424 8064 8352 8526 9216 9363 9408 9744 10752 11136 11368 12484 12544 12789 12992 14112 14336 14616 14848 16128 16704 17052 18432 18726 18816 19488 21504 21847 22272 22736 24968 25088 25578 25984 28089 28224 29232 29696 32256 33408 34104 37452 37632 38976 43008 43694 44544 45472 49936 50176 51156 51968 56178 56448 58464 59392 64512 65541 66816 68208 74904 75264 77952 87388 89088 90509 90944 99872 100352 102312 103936 112356 112896 116928 129024 131082 133632 136416 149808 150528 152929 155904 174776 178176 181018 181888 196623 199744 204624 207872 224712 225792 233856 262164 267264 271527 272832 299616 301056 305858 311808 349552 362036 363776 393246 399488 409248 415744 449424 451584 458787 467712 524328 534528 543054 545664 599232 611716 623616 633563 699104 724072 727552 786492 798976 814581 818496 898848 903168 917574 935424 1048656 1086108 1091328 1198464 1223432 1247232 1267126 1376361 1398208 1448144 1455104 1572984 1597952 1629162 1636992 1797696 1835148 1870848 1900689 2097312 2172216 2182656 2396928 2446864 2534252 2752722 2796416 2896288 2910208 3145968 3195904 3258324 3273984 3595392 3670296 3741696 3801378 4194624 4344432 4365312 4434941 4793856 4893728 5068504 5505444 5592832 5702067 5792576 6291936 6391808 6516648 6547968 7190784 7340592 7602756 8389248 8688864 8730624 8869882 9587712 9787456 10137008 11010888 11185664 11404134 11585152 12583872 13033296 13095936 13304823 14381568 14681184 15205512 16778496 17377728 17739764 19175424 19574912 20274016 22021776 22371328 22808268 23170304 25167744 26066592 26191872 26609646 28763136 29362368 30411024 33556992 34755456 35479528 39149824 39914469 40548032 44043552 44742656 45616536 46340608 50335488 52133184 53219292 57526272 58724736 60822048 67113984 69510912 70959056 78299648 79828938 81096064 88087104 91233072 92681216 100670976 104266368 106438584 117449472 121644096 134227968 139021824 141918112 156599296 159657876 162192128 176174208 182466144 185362432 201341952 208532736 212877168 234898944 243288192 278043648 283836224 313198592 319315752 324384256 352348416 364932288 402683904 417065472 425754336 469797888 486576384 556087296 567672448 638631504 648768512 704696832 729864576 834130944 851508672 939595776 973152768 1135344896 1277263008 1297537024 1409393664 1459729152 1668261888 1703017344 1946305536 2270689792 2554526016 2818787328 2919458304 3406034688 3892611072 4541379584 5109052032 5838916608 6812069376 9082759168 10218104064 11677833216 13624138752 20436208128 27248277504 40872416256 81744832512
• Sum of all divisors σ(n): 284201435700
• Sum of proper divisors (its aliquot sum) s(n): 202456603188
• 81744832512 is an abundant number, because the sum of its proper divisors (202456603188) is greater than itself. Its abundance is 120711770676

Bases of 81744832512

• Binary: 1001100001000010111110010100000000000₂
• Hexadecimal: 0x13085F2800
• Base-36: 11JWRGG0

Squares and roots of 81744832512

• 81744832512 squared (81744832512²) is 6682217642414932230144
• 81744832512 cubed (81744832512³) is 546236761987940142360951917641728
• The square root of 81744832512 is 285910.5323558403
• The cube root of 81744832512 is 4339.9704195001

Scales and comparisons

• 81,744,832,512 seconds is equal to 2,599 years, 12 weeks, 17 hours, 55 minutes, 12 seconds.
• To count from 1 to 81,744,832,512 would take you about five thousand, one hundred ninety-eight 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 81744832512 cubic inches would be around 361.7 feet tall.

Recreational maths with 81744832512

• 81744832512 backwards is 21523844718
• The number of decimal digits it has is: 11
• The sum of 81744832512's digits is 45
• More coming soon!