164240497524189681

Names of 164240497524189681

• Cardinal: 164240497524189681 can be written as One hundred sixty-four quadrillion, two hundred forty trillion, four hundred ninety-seven billion, five hundred twenty-four million, one hundred eighty-nine thousand, six hundred eighty-one.

Scientific notation

• Scientific notation: 1.64240497524189681 × 10¹⁷

Factors of 164240497524189681

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 12116

Divisors of 164240497524189681

• Number of divisors d(n): 135
• Complete list of divisors:
  1 3 7 9 21 27 49 63 81 147 189 441 557 567 1323 1671 3899 3969 5013 11549 11697 15039 27293 34647 35091 45117 80843 81879 103941 105273 242529 245637 310249 311823 315819 565901 727587 736911 930747 935469 1697703 2171743 2182761 2210733 2792241 5093109 6432793 6515229 6548283 8376723 15202201 15279327 19298379 19545687 25130169 45029551 45606603 45837981 57895137 58637061 133379401 135088653 136819809 173685411 175911183 315206857 400138203 405265959 410459427 521056233 933655807 945620571 1200414609 1215797877 1231378281 2800967421 2836861713 3583065701 3601243827 3647393631 6535590649 8402902263 8510585139 10749197103 10803731481 19606771947 25081459907 25208706789 25531755417 32247591309 58820315841 74292326357 75244379721 75626120367 96742773927 175570219349 176460947523 222876979071 225733139163 290228321781 520046284499 526710658047 529382842569 668630937213 677199417489 1560138853497 1580131974141 2005892811639 2031598252467 3640323991493 4680416560491 4740395922423 6017678434917 10920971974479 14041249681473 14221187767269 32762915923437 41380825780849 42123749044419 98288747770311 124142477342547 289665780465943 294866243310933 372427432027641 868997341397829 1117282296082923 2027660463261601 2606992024193487 3351846888248769 6082981389784803 7820976072580461 18248944169354409 23462928217741383 54746832508063227 164240497524189681
• Sum of all divisors σ(n): 285941628497530929
• Sum of proper divisors (its aliquot sum) s(n): 121701130973341248
• 164240497524189681 is a deficient number, because the sum of its proper divisors (121701130973341248) is less than itself. Its deficiency is 42539366550848433

Bases of 164240497524189681

• Binary: 1001000111011111111101110011000000101010011010100111110001₂
• Hexadecimal: 0x2477FDCC0A9A9F1
• Base-36: 18X6EAY5X629

Squares and roots of 164240497524189681

• 164240497524189681 squared (164240497524189681²) is 26974941026993356734197735666881761
• 164240497524189681 cubed (164240497524189681³) is 4430377734959065057656393057821599717020289563308241
• 164240497524189681 is a perfect square number. Its square root is 405265959
• The cube root of 164240497524189681 is 547637.8002485807

Scales and comparisons

• 164,240,497,524,189,681 seconds is equal to 5,222,339,792 years, 2 weeks, 5 days, 18 hours, 1 minute, 21 seconds.
• To count from 1 to 164,240,497,524,189,681 would take you about fifteen billion, six hundred sixty-seven million, nineteen thousand, three hundred seventy-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 164240497524189681 cubic inches would be around 45636.5 feet tall.

Recreational maths with 164240497524189681

• 164240497524189681 backwards is 186981425794042461
• 164240497524189681 is a Harshad number.
• The number of decimal digits it has is: 18
• The sum of 164240497524189681's digits is 81
• More coming soon!