81676142955864

Names of 81676142955864

• Cardinal: 81676142955864 can be written as Eighty-one trillion, six hundred seventy-six billion, one hundred forty-two million, nine hundred fifty-five thousand, eight hundred sixty-four.

Scientific notation

• Scientific notation: 8.1676142955864 × 10¹³

Factors of 81676142955864

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 24588

Divisors of 81676142955864

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 29 36 41 58 72 73 82 87 116 123 146 164 174 219 232 246 261 292 328 348 369 438 492 522 547 584 657 696 738 876 984 1044 1094 1189 1314 1476 1641 1752 2088 2117 2188 2378 2628 2952 2993 3282 3567 4234 4376 4756 4923 5256 5986 6351 6564 7134 8468 8979 9512 9846 10701 11972 12702 13128 14268 15863 16936 17958 19053 19692 21402 22427 23893 23944 25404 26937 28536 31726 35916 38106 39384 39931 42804 44854 47589 47786 50808 53874 63452 67281 71679 71832 76212 79862 85608 86797 89708 95178 95572 107748 119793 126904 134562 142767 143358 152424 159724 173594 179416 190356 191144 201843 215037 215496 239586 260391 269124 285534 286716 319448 347188 359379 380712 403686 430074 479172 520782 538248 571068 573432 650383 692897 694376 718758 781173 807372 860148 958344 979613 1041564 1142136 1157999 1300766 1385794 1437516 1562346 1614744 1637171 1720296 1744189 1951149 1959226 2078691 2083128 2315998 2601532 2771588 2875032 2938839 3124692 3274342 3473997 3488378 3902298 3918452 4157382 4631996 4911513 5203064 5232567 5543176 5853447 5877678 6236073 6249384 6548684 6947994 6976756 7804596 7836904 8314764 8816517 9263992 9823026 10421991 10465134 11706894 11755356 12472146 13069471 13097368 13895988 13953512 14734539 15609192 15697701 16629528 17633034 19646052 20843982 20930268 23413788 23510712 24944292 26138942 27791976 28408777 29469078 31395402 35266068 39208413 39292104 41687964 41860536 46827576 47477959 49888584 50581481 52277884 56817554 58938156 62790804 70532136 71511749 78416826 83375928 85226331 94955918 101162962 104555768 113635108 117625239 117876312 125581608 142433877 143023498 151744443 156833652 170452662 189911836 202325924 214535247 227270216 235250478 255678993 284867754 286046996 303488886 313667304 340905324 379014659 379823672 404651848 427301631 429070494 455233329 470500956 511357986 535848311 569735508 572093992 606977772 643605741 681810648 758029318 854603262 858140988 910466658 941001912 954071383 1022715972 1071696622 1137043977 1139471016 1213955544 1287211482 1516058636 1607544933 1709206524 1716281976 1820933316 1908142766 2045431944 2073840721 2143393244 2274087954 2574422964 2862214149 3032117272 3215089866 3411131931 3418413048 3641866632 3816285532 4147681442 4286786488 4548175908 4822634799 5148845928 5724428298 6221522163 6430179732 6822263862 7632571064 8295362884 8586642447 9096351816 9645269598 11448856596 12443044326 12860359464 13644527724 15539601019 16590725768 17173284894 18664566489 19290539196 22897713192 24886088652 27289055448 27668070107 31079202038 34346569788 37329132978 38581078392 39116926703 46618803057 49772177304 55336140214 62158404076 68693139576 74658265956 78233853406 83004210321 93237606114 110672280428 117350780109 124316808152 139856409171 149316531912 156467706812 166008420642 186475212228 221344560856 234701560218 249012630963 279712818342 312935413624 332016841284 352052340327 372950424456 469403120436 498025261926 559425636684 664033682568 704104680654 938806240872 996050523852 1118851273368 1134390874387 1408209361308 1992101047704 2268781748774 2816418722616 3403172623161 4537563497548 6806345246322 9075126995096 10209517869483 13612690492644 20419035738966 27225380985288 40838071477932 81676142955864
• Sum of all divisors σ(n): 238070889201600
• Sum of proper divisors (its aliquot sum) s(n): 156394746245736
• 81676142955864 is an abundant number, because the sum of its proper divisors (156394746245736) is greater than itself. Its abundance is 74718603289872

Bases of 81676142955864

• Binary: 10010100100100010110101011111001100110101011000₂
• Hexadecimal: 0x4A48B57CCD58
• Base-36: SY9I2P7Q0

Squares and roots of 81676142955864

• 81676142955864 squared (81676142955864²) is 6670992328146732507051986496
• 81676142955864 cubed (81676142955864³) is 544860923051184531833642371550118452012544
• The square root of 81676142955864 is 9037485.4332310821
• The cube root of 81676142955864 is 43387.5446422549

Scales and comparisons

• 81,676,142,955,864 seconds is equal to 2,597,048 years, 36 weeks, 4 days, 15 hours, 44 minutes, 24 seconds.
• To count from 1 to 81,676,142,955,864 would take you about six million, four hundred ninety-two thousand, six hundred twenty-one 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 81676142955864 cubic inches would be around 3615.6 feet tall.

Recreational maths with 81676142955864

• 81676142955864 backwards is 46855924167618
• 81676142955864 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 81676142955864's digits is 72
• More coming soon!