20137655187

Names of 20137655187

• Cardinal: 20137655187 can be written as Twenty billion, one hundred thirty-seven million, six hundred fifty-five thousand, one hundred eighty-seven.

Scientific notation

• Scientific notation: 2.0137655187 × 10¹⁰

Factors of 20137655187

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 539

Divisors of 20137655187

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 9 13 27 29 37 39 81 87 111 117 169 243 261 333 351 377 457 481 507 783 999 1053 1073 1131 1371 1443 1521 2349 2997 3159 3219 3393 4113 4329 4563 4901 5941 6253 7047 8991 9657 10179 12339 12987 13253 13689 13949 14703 16909 17823 18759 28971 30537 37017 38961 39759 41067 41847 44109 50727 53469 56277 77233 86913 91611 111051 116883 119277 125541 132327 152181 160407 168831 172289 181337 219817 231699 260739 357831 376623 396981 456543 481221 490361 506493 516867 544011 659451 695097 1073493 1129869 1190943 1369629 1443663 1471083 1519479 1550601 1632033 1978353 2085291 2239757 2857621 3220479 3389607 4108887 4413249 4651803 4896099 5935059 6255873 6374693 6719271 8572863 13239747 13955409 14688297 17805177 18767619 19124079 20157813 25718589 39719241 41866227 44064891 53415531 57372237 60473439 77155767 82871009 119157723 172116711 181420317 231467301 248613027 516350133 544260951 694401903 745839081 1549050399 2237517243 6712551729 20137655187
• Sum of all divisors σ(n): 34779457440
• Sum of proper divisors (its aliquot sum) s(n): 14641802253
• 20137655187 is a deficient number, because the sum of its proper divisors (14641802253) is less than itself. Its deficiency is 5495852934

Bases of 20137655187

• Binary: 10010110000010011000011101110010011₂
• Hexadecimal: 0x4B04C3B93
• Base-36: 991FU6R

Squares and roots of 20137655187

• 20137655187 squared (20137655187²) is 405525156430508004969
• 20137655187 cubed (20137655187³) is 8166325769851805931309004624203
• The square root of 20137655187 is 141907.2062546507
• The cube root of 20137655187 is 2720.6309444529

Scales and comparisons

• 20,137,655,187 seconds is equal to 640 years, 16 weeks, 2 days, 17 hours, 6 minutes, 27 seconds.
• To count from 1 to 20,137,655,187 would take you about one thousand, two hundred eighty 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 20137655187 cubic inches would be around 226.7 feet tall.

Recreational maths with 20137655187

• 20137655187 backwards is 78155673102
• The number of decimal digits it has is: 11
• The sum of 20137655187's digits is 45
• More coming soon!