81444353546997342

Names of 81444353546997342

• Cardinal: 81444353546997342 can be written as Eighty-one quadrillion, four hundred forty-four trillion, three hundred fifty-three billion, five hundred forty-six million, nine hundred ninety-seven thousand, three hundred forty-two.

Scientific notation

• Scientific notation: 8.1444353546997342 × 10¹⁶

Factors of 81444353546997342

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 589396

Divisors of 81444353546997342

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 6 9 11 18 22 33 61 66 89 99 122 178 183 198 267 366 534 549 671 801 979 1098 1342 1602 1958 2013 2937 4026 5429 5874 6039 8811 10858 12078 16287 17622 32574 48861 59719 97722 119438 179157 189583 358314 379166 399647 537471 568749 799294 1074942 1137498 1198941 1706247 2085413 2397882 3412494 3596823 4170826 4396117 6256239 7193646 8792234 11564563 12512478 13188351 16872887 18768717 23129126 24378467 26376702 33745774 34693689 35568583 37537434 39565053 48756934 50618661 69387378 71137166 73135401 79130106 101237322 104081067 106705749 127210193 146270802 151855983 185601757 208162134 213411498 219406203 254420386 268163137 303711966 320117247 371203514 381630579 391254413 438812406 536326274 556805271 640234494 763261158 782508826 804489411 1029246107 1113610542 1144891737 1173763239 1608978822 1670415813 2058492214 2169683563 2289783474 2347526478 2413468233 3087738321 3340831626 3521289717 4339367126 4826936466 6175476642 6509050689 7042579434 9263214963 11321707177 13018101378 18526429926 19527152067 22643414354 23866519193 33965121531 39054304134 47733038386 67930243062 71599557579 75766277201 101895364593 143199115158 151532554402 203790729186 214798672737 227298831603 429597345474 454597663206 681896494809 833429049211 1363792989618 1666858098422 2500287147633 4621742909261 5000574295266 6743198670889 7500861442899 9243485818522 13486397341778 13865228727783 15001722885798 20229596012667 27730457455566 40459192025334 41595686183349 50839172001871 60688788038001 74175185379779 83191372366698 101678344003742 121377576076002 148350370759558 152517516005613 222525556139337 305035032011226 411335118924229 445051112278674 457552548016839 667576668418011 822670237848458 915105096033678 1234005356772687 1335153336836022 2468010713545374 3702016070318061 4524686308166519 7404032140636122 9049372616333038 13574058924499557 27148117848999114 40722176773498671 81444353546997342
• Sum of all divisors σ(n): 197860625675182080
• Sum of proper divisors (its aliquot sum) s(n): 116416272128184738
• 81444353546997342 is an abundant number, because the sum of its proper divisors (116416272128184738) is greater than itself. Its abundance is 34971918581187396

Bases of 81444353546997342

• Binary: 100100001010110010011010101000010001000010100111001011110₂
• Hexadecimal: 0x121593542214E5E
• Base-36: M9XM3HYZLNI

Squares and roots of 81444353546997342

• 81444353546997342 squared (81444353546997342²) is 6633182724688298523025544155064964
• 81444353546997342 cubed (81444353546997342³) is 540235278971348919283488116779696116872463145325688
• The square root of 81444353546997342 is 285384571.3191190405
• The cube root of 81444353546997342 is 433464.6246334577

Scales and comparisons

• 81,444,353,546,997,342 seconds is equal to 2,589,678,518 years, 45 weeks, 1 day, 35 minutes, 42 seconds.
• To count from 1 to 81,444,353,546,997,342 would take you about seven billion, seven hundred sixty-nine million, thirty-five thousand, five hundred fifty-six 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 81444353546997342 cubic inches would be around 36122.1 feet tall.

Recreational maths with 81444353546997342

• 81444353546997342 backwards is 24379964535344418
• The number of decimal digits it has is: 17
• The sum of 81444353546997342's digits is 81
• More coming soon!