20397984681438

Names of 20397984681438

• Cardinal: 20397984681438 can be written as Twenty trillion, three hundred ninety-seven billion, nine hundred eighty-four million, six hundred eighty-one thousand, four hundred thirty-eight.

Scientific notation

• Scientific notation: 2.0397984681438 × 10¹³

Factors of 20397984681438

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 6086

Divisors of 20397984681438

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 6 7 9 13 14 18 21 26 39 42 49 63 78 91 98 117 126 147 182 234 273 294 409 441 546 637 818 819 882 919 1227 1274 1638 1838 1911 2454 2757 2863 3681 3822 4733 5317 5514 5726 5733 6433 7362 8271 8589 9466 10634 11466 11947 12866 14199 15951 16542 17178 19299 20041 23894 25767 28398 31902 33131 35841 37219 38598 40082 42597 45031 47853 51534 57897 60123 61529 66262 71682 74438 83629 85194 90062 95706 99393 107523 111657 115794 120246 123058 135093 167258 180369 184587 198786 215046 223314 231917 250887 260533 270186 298179 334971 360738 369174 375871 405279 430703 463834 501774 521066 553761 585403 596358 669942 695751 751742 752661 781599 810558 861406 1107522 1127613 1170806 1292109 1391502 1505322 1563198 1756209 1935797 2087253 2255226 2344797 2584218 2631097 3014921 3382839 3512418 3871594 3876327 4174506 4349627 4689594 4886323 5262194 5268627 5807391 6029842 6765678 7752654 7893291 8699254 9044763 9772646 10537254 11614782 13048881 13550579 14658969 15786582 17422173 18089526 18417679 23679873 25165361 26097762 27101158 27134289 29317938 30447389 34204261 34844346 36835358 39146643 40651737 43976907 47359746 50330722 54268578 55253037 56545151 60894778 68408522 75496083 78293286 81303474 87953814 91342167 94854053 102612783 110506074 113090302 121955211 150992166 165759111 169635453 176157527 182684334 189708106 205225566 213131723 226488249 239429827 243910422 274026501 284562159 307838349 331518222 339270906 352315054 395816057 426263446 452976498 478859654 508906359 528472581 548053002 569124318 615676698 639395169 718289481 791632114 853686477 1017812718 1056945162 1187448171 1233102689 1278790338 1436578962 1585417743 1707372954 1778997443 1918185507 2154868443 2374896342 2466205378 2770712399 3170835486 3557994886 3562344513 3699308067 3836371014 4309736886 5336992329 5541424798 7124689026 7398616134 8312137197 10673984658 11097924201 12452982101 16010976987 16624274394 22195848402 23126966759 24905964202 24936411591 32021953974 37358946303 46253933518 49872823182 69380900277 74717892606 87170874707 112076838909 138761800554 161888767313 174341749414 208142700831 224153677818 261512624121 323777534626 416285401662 485666301939 523025248242 784537872363 971332603878 1133221371191 1456998905817 1569075744726 2266442742382 2913997811634 3399664113573 6799328227146 10198992340719 20397984681438
• Sum of all divisors σ(n): 55573459905600
• Sum of proper divisors (its aliquot sum) s(n): 35175475224162
• 20397984681438 is an abundant number, because the sum of its proper divisors (35175475224162) is greater than itself. Its abundance is 14777490542724

Bases of 20397984681438

• Binary: 100101000110101000110101000011000110111011110₂
• Hexadecimal: 0x128D46A18DDE
• Base-36: 78APDF2ZI

Squares and roots of 20397984681438

• 20397984681438 squared (20397984681438²) is 416077779064179306341747844
• 20397984681438 cubed (20397984681438³) is 8487148163637874073826289208854463319672
• The square root of 20397984681438 is 4516412.8112295049
• The cube root of 20397984681438 is 27323.0443526883

Scales and comparisons

• 20,397,984,681,438 seconds is equal to 648,592 years, 42 weeks, 3 days, 15 hours, 57 minutes, 18 seconds.
• To count from 1 to 20,397,984,681,438 would take you about one million, six hundred twenty-one thousand, four hundred eighty-two 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 20397984681438 cubic inches would be around 2276.9 feet tall.

Recreational maths with 20397984681438

• 20397984681438 backwards is 83418648979302
• The number of decimal digits it has is: 14
• The sum of 20397984681438's digits is 72
• More coming soon!