21900040162938

Names of 21900040162938

• Cardinal: 21900040162938 can be written as Twenty-one trillion, nine hundred billion, forty million, one hundred sixty-two thousand, nine hundred thirty-eight.

Scientific notation

• Scientific notation: 2.1900040162938 × 10¹³

Factors of 21900040162938

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1050

Divisors of 21900040162938

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 29 42 49 58 63 87 98 126 147 174 203 261 294 406 441 522 609 841 882 1009 1218 1421 1682 1827 2018 2523 2842 3027 3654 4263 5046 5887 6054 7063 7569 8526 9081 11774 12789 14126 15138 17661 18162 21189 24389 25578 29261 35322 41209 42378 48778 49441 52983 58522 63567 73167 82418 87783 98882 105966 123627 127134 146334 148323 170723 175566 204827 219501 247254 263349 296646 341446 370881 409654 439002 444969 512169 526698 614481 741762 848569 889938 1018081 1024338 1195061 1228962 1433789 1536507 1697138 1843443 2036162 2390122 2545707 2867578 3054243 3073014 3585183 3686886 4301367 5091414 5939983 6108486 7126567 7170366 7637121 8602734 9162729 10755549 11879966 12904101 14253134 15274242 17819949 18325458 21379701 21511098 24608501 25808202 29524349 35639898 41579881 42759402 49217002 49885969 53459847 59048698 64139103 73825503 83159762 88573047 99771938 106919694 124739643 128278206 147651006 149657907 172259507 177146094 206670443 221476509 249479286 265719141 299315814 344519014 374218929 413340886 442953018 448973721 516778521 531438282 620011329 748437858 856206121 897947442 1033557042 1205816549 1240022658 1446693101 1550335563 1712412242 1860033987 2411633098 2568618363 2893386202 3100671126 3617449647 3720067974 4340079303 5137236726 5993442847 7234899294 7705855089 8680158606 10852348941 11986885694 13020237909 15411710178 17980328541 21704697882 24829977509 26040475818 35960657082 41954099929 49659955018 53940985623 74489932527 83908199858 107881971246 125862299787 148979865054 173809842563 223469797581 251724599574 347619685126 377586899361 446939595162 521429527689 755173798722 1042859055378 1216668897941 1564288583067 2433337795882 3128577166134 3650006693823 7300013387646 10950020081469 21900040162938
• Sum of all divisors σ(n): 57224996541180
• Sum of proper divisors (its aliquot sum) s(n): 35324956378242
• 21900040162938 is an abundant number, because the sum of its proper divisors (35324956378242) is greater than itself. Its abundance is 13424916215304

Bases of 21900040162938

• Binary: 100111110101100000000000111010100111001111010₂
• Hexadecimal: 0x13EB001D4E7A
• Base-36: 7RGQMGY2I

Squares and roots of 21900040162938

• 21900040162938 squared (21900040162938²) is 479611759138297461588791844
• 21900040162938 cubed (21900040162938³) is 10503516787746060751168916731628325477672
• The square root of 21900040162938 is 4679747.8738643605
• The cube root of 21900040162938 is 27977.8907793639

Scales and comparisons

• 21,900,040,162,938 seconds is equal to 696,353 years, 27 weeks, 6 days, 1 hour, 42 minutes, 18 seconds.
• To count from 1 to 21,900,040,162,938 would take you about one million, seven hundred forty thousand, eight hundred eighty-three 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 21900040162938 cubic inches would be around 2331.5 feet tall.

Recreational maths with 21900040162938

• 21900040162938 backwards is 83926104000912
• The number of decimal digits it has is: 14
• The sum of 21900040162938's digits is 45
• More coming soon!