21901513374576801

Names of 21901513374576801

• Cardinal: 21901513374576801 can be written as Twenty-one quadrillion, nine hundred one trillion, five hundred thirteen billion, three hundred seventy-four million, five hundred seventy-six thousand, eight hundred one.

Scientific notation

• Scientific notation: 2.1901513374576801 × 10¹⁶

Factors of 21901513374576801

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 3176

Divisors of 21901513374576801

• Number of divisors d(n): 135
• Complete list of divisors:
  1 3 7 9 21 27 49 63 81 147 189 441 567 1187 1323 1979 3561 3969 5937 8309 10683 13853 17811 24927 32049 41559 53433 58163 74781 96147 96971 124677 160299 174489 224343 290913 374031 523467 673029 872739 1122093 1408969 1570401 2349073 2618217 3916441 4226907 4711203 7047219 7854651 9862783 11749323 12680721 16443511 21141657 27415087 29588349 35247969 38042163 49330533 63424971 69039481 82245261 88765047 105743907 114126489 115104577 147991599 190274913 191905609 207118443 246735783 266295141 317231721 345313731 443974797 575716827 621355329 740207349 798885423 1035941193 1331924391 1727150481 1864065987 2220622047 2788349651 3107823579 4648815467 5181451443 5592197961 8365048953 9323470737 13946446401 15544354329 19518447557 25095146859 32541708269 41839339203 58555342671 75285440577 97625124807 125518017609 136629132899 175666028013 225856321731 227791957883 292875374421 376554052827 409887398697 526998084039 683375873649 878626123263 1229662196091 1580994252117 2050127620947 2635878369789 3688986588273 5518143959329 6150382862841 11066959764819 16554431877987 18451148588523 38627007715303 49663295633961 115881023145909 148989886901883 270389054007121 347643069437727 446969660705649 811167162021363 1042929208313181 2433501486064089 3128787624939543 7300504458192267 21901513374576801
• Sum of all divisors σ(n): 38109985968063009
• Sum of proper divisors (its aliquot sum) s(n): 16208472593486208
• 21901513374576801 is a deficient number, because the sum of its proper divisors (16208472593486208) is less than itself. Its deficiency is 5693040781090593

Bases of 21901513374576801

• Binary: 1001101110011110100111101110100101111000011000010100001₂
• Hexadecimal: 0x4DCF4F74BC30A1
• Base-36: 5ZNFSCEWL29

Squares and roots of 21901513374576801

• 21901513374576801 squared (21901513374576801²) is 479676288096766493507605847393601
• 21901513374576801 cubed (21901513374576801³) is 10505636639218686126362416647633235903902250450401
• 21901513374576801 is a perfect square number. Its square root is 147991599
• The cube root of 21901513374576801 is 279785.1812113777

Scales and comparisons

• 21,901,513,374,576,801 seconds is equal to 696,400,379 years, 25 weeks, 16 hours, 13 minutes, 21 seconds.
• To count from 1 to 21,901,513,374,576,801 would take you about two billion, eighty-nine million, two hundred one thousand, one hundred thirty-eight 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 21901513374576801 cubic inches would be around 23315.4 feet tall.

Recreational maths with 21901513374576801

• 21901513374576801 backwards is 10867547331510912
• 21901513374576801 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 21901513374576801's digits is 63
• More coming soon!