81827993559105

Names of 81827993559105

• Cardinal: 81827993559105 can be written as Eighty-one trillion, eight hundred twenty-seven billion, nine hundred ninety-three million, five hundred fifty-nine thousand, one hundred five.

Scientific notation

• Scientific notation: 8.1827993559105 × 10¹³

Factors of 81827993559105

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 4900

Divisors of 81827993559105

• Number of divisors d(n): 288
• Complete list of divisors:
  1 3 5 9 15 27 31 45 81 93 97 135 155 181 243 279 291 405 465 485 543 729 837 873 905 1215 1395 1455 1629 2187 2511 2619 2715 3007 3645 4185 4365 4583 4887 5611 6561 7533 7857 8145 9021 10935 12555 13095 13749 14661 15035 16833 17557 22599 22915 23571 24435 27063 28055 32805 37665 39285 41247 43983 45105 50499 52671 67797 68745 70713 73305 81189 84165 87785 112995 117855 123741 131949 135315 142073 151497 158013 203391 206235 212139 219915 243567 252495 263355 338985 353565 371223 395847 405945 426219 444551 454491 474039 544267 618705 636417 659745 710365 730701 757485 790065 829523 1016955 1060695 1113669 1187541 1217835 1278657 1333653 1363473 1422117 1632801 1856115 1979235 2131095 2192103 2222755 2272455 2370195 2488569 2721335 3182085 3341007 3653505 3835971 4000959 4090419 4147615 4266351 4898403 5568345 5937705 6393285 6576309 6668265 6817365 7110585 7465707 8164005 10023021 10960515 11507913 12002877 12271257 12442845 12799053 13781081 14695209 16705035 19179855 19728927 20004795 20452095 21331755 22397121 24492015 25715213 30069063 32881545 34523739 36008631 36813771 37328535 38397159 41343243 44085627 50115105 57539565 60014385 61356285 63995265 67191363 68905405 73476045 77145639 80463731 98644635 103571217 108025893 111985605 115191477 124029729 128576065 132256881 150345315 172618695 180043155 184068855 191985795 201574089 206716215 220428135 231436917 241391193 310713651 324077679 335956815 372089187 385728195 396770643 402318655 517856085 540129465 575957385 604722267 620148645 661284405 694310751 724173579 932140953 972233037 1007870445 1116267561 1157184585 1190311929 1206955965 1553568255 1620388395 1814166801 1860445935 1983853215 2082932253 2172520737 2494375661 2916699111 3023611335 3348802683 3471553755 3570935787 3620867895 4660704765 4861165185 5442500403 5581337805 5951559645 6248796759 6517562211 7483126983 9070834005 10046408049 10414661265 10862603685 12471878305 14583495555 16744013415 17854678935 18746390277 19552686633 22449380949 27212502015 30139224147 31243983795 32587811055 37415634915 50232040245 56239170831 58658059899 67348142847 90417672441 93731951385 97763433165 112246904745 150696120735 168717512493 175974179697 202044428541 281195854155 293290299495 336740714235 452088362205 527922539091 606133285623 843587562465 879870898485 1010222142705 1818399856869 2639612695455 3030666428115 5455199570607 9091999284345 16365598711821 27275997853035 81827993559105
• Sum of all divisors σ(n): 154483653961728
• Sum of proper divisors (its aliquot sum) s(n): 72655660402623
• 81827993559105 is a deficient number, because the sum of its proper divisors (72655660402623) is less than itself. Its deficiency is 9172333156482

Bases of 81827993559105

• Binary: 10010100110110000010000011111010010000001000001₂
• Hexadecimal: 0x4A6C107D2041
• Base-36: T079EMN29

Squares and roots of 81827993559105

• 81827993559105 squared (81827993559105²) is 6695820529908929365128401025
• 81827993559105 cubed (81827993559105³) is 547905559194310900101953195865007480082625
• The square root of 81827993559105 is 9045882.6854599989
• The cube root of 81827993559105 is 43414.4164058633

Scales and comparisons

• 81,827,993,559,105 seconds is equal to 2,601,877 years, 4 weeks, 2 days, 18 hours, 51 minutes, 45 seconds.
• To count from 1 to 81,827,993,559,105 would take you about six million, five hundred four thousand, six hundred ninety-two 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 81827993559105 cubic inches would be around 3617.9 feet tall.

Recreational maths with 81827993559105

• 81827993559105 backwards is 50195539972818
• The number of decimal digits it has is: 14
• The sum of 81827993559105's digits is 72
• More coming soon!