91401993872721

Names of 91401993872721

• Cardinal: 91401993872721 can be written as Ninety-one trillion, four hundred one billion, nine hundred ninety-three million, eight hundred seventy-two thousand, seven hundred twenty-one.

Scientific notation

• Scientific notation: 9.1401993872721 × 10¹³

Factors of 91401993872721

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 192

Divisors of 91401993872721

• Number of divisors d(n): 315
• Complete list of divisors:
  1 3 7 9 19 21 27 49 57 63 81 133 147 163 171 189 343 361 399 441 489 513 567 931 1029 1083 1141 1197 1323 1467 1539 2401 2527 2793 3087 3097 3249 3423 3591 3969 4401 6517 7203 7581 7987 8379 9261 9291 9747 10269 10773 13203 16807 17689 19551 21609 21679 22743 23961 25137 26569 27783 27873 29241 30807 45619 50421 53067 55909 58653 58843 64827 65037 68229 71883 75411 79707 83619 92421 117649 123823 136857 151263 151753 159201 167727 175959 176529 185983 194481 195111 204687 215649 239121 250857 319333 352947 371469 391363 410571 411901 453789 455259 477603 503181 504811 527877 529587 557949 585333 646947 717363 866761 957999 1058841 1062271 1114407 1174089 1231713 1235703 1301881 1361367 1365777 1432809 1509543 1514433 1588761 1673847 1755999 2152089 2235331 2600283 2739541 2873997 2883307 3176523 3186813 3343221 3522267 3533677 3695139 3707109 3905643 4097331 4528629 4543299 4766283 5021541 6067327 6705993 7435897 7800849 8218623 8621991 8649921 9113167 9529569 9560439 9591409 10029663 10566801 10601031 11121327 11716929 12291993 13629897 15064623 18201981 19176787 20117979 20183149 22307691 23402547 24655869 24735739 25865973 25949763 27339501 28681317 28774227 31700403 31803093 33363981 35150787 40889691 42471289 52051279 54605943 57530361 60353937 60549447 63792169 66923073 67139863 70207641 73967607 74207217 77849289 82018503 86043951 86322681 95409279 105452361 127413867 141282043 156153837 163817829 172591083 173150173 181061811 181648341 191376507 200769219 201419589 221902821 222621651 233547867 246055509 258968043 286227837 364358953 382241601 423846129 446545183 468461511 469979041 491453487 517773249 519450519 544945023 574129521 602307657 604258767 667864953 738166527 776904129 988974301 1093076859 1146724803 1212051211 1271538387 1339635549 1405384533 1409937123 1553319747 1558351557 1634835069 1722388563 1812776301 2003594859 2966922903 3125816281 3279230577 3289853287 3440174409 3636153633 3814615161 4018906647 4216153599 4229811369 4675054671 5167165689 5438328903 6922820107 8484358477 8900768709 9377448843 9837691731 9869559861 10908460899 11443845483 12056719941 12689434107 14025164013 20768460321 23028973009 25453075431 26702306127 28132346529 29513075193 29608679583 32725382697 36170159823 38068302321 59390509339 62305380963 69086919027 76359226293 80106918381 84397039587 88826038749 98176148091 161202811063 178171528017 186916142889 207260757081 229077678879 253191118761 266478116247 483608433189 534514584051 560748428667 621782271243 687233036637 1128419677441 1450825299567 1603543752153 1865346813729 3385259032323 4352475898701 4810631256459 10155777096969 13057427696103 30467331290907 91401993872721
• Sum of all divisors σ(n): 169158001955481
• Sum of proper divisors (its aliquot sum) s(n): 77756008082760
• 91401993872721 is a deficient number, because the sum of its proper divisors (77756008082760) is less than itself. Its deficiency is 13645985789961

Bases of 91401993872721

• Binary: 10100110010000100101111011000000110010101010001₂
• Hexadecimal: 0x53212F606551
• Base-36: WEDHV8029

Squares and roots of 91401993872721

• 91401993872721 squared (91401993872721²) is 8354324483908927227547943841
• 91401993872721 cubed (91401993872721³) is 763601915288966797011329449072344209861361
• 91401993872721 is a perfect square number. Its square root is 9560439
• The cube root of 91401993872721 is 45045.5495777895

Scales and comparisons

• 91,401,993,872,721 seconds is equal to 2,906,300 years, 35 weeks, 2 days, 14 hours, 25 minutes, 21 seconds.
• To count from 1 to 91,401,993,872,721 would take you about seven million, two hundred sixty-five thousand, seven hundred fifty-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 91401993872721 cubic inches would be around 3753.8 feet tall.

Recreational maths with 91401993872721

• 91401993872721 backwards is 12727839910419
• 91401993872721 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 91401993872721's digits is 63
• More coming soon!