20991740675913

Names of 20991740675913

• Cardinal: 20991740675913 can be written as Twenty trillion, nine hundred ninety-one billion, seven hundred forty million, six hundred seventy-five thousand, nine hundred thirteen.

Scientific notation

• Scientific notation: 2.0991740675913 × 10¹³

Factors of 20991740675913

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 987

Divisors of 20991740675913

• Number of divisors d(n): 288
• Complete list of divisors:
  1 3 7 9 19 21 49 57 63 113 133 147 171 257 281 307 339 399 441 771 791 843 921 931 1017 1197 1799 1967 2147 2149 2313 2373 2529 2763 2793 4883 5339 5397 5537 5833 5901 6441 6447 7119 8379 12593 13769 14649 15029 15043 16017 16191 16611 17499 17703 19323 19341 29041 31753 34181 34691 37373 37779 40831 41307 43947 45087 45129 48051 49833 52497 72217 78899 86267 87123 95259 102543 104073 105203 112119 113337 122493 123921 135261 135387 203287 216651 222271 236697 239267 242837 258801 261369 261611 285777 285817 307629 312219 315609 336357 367479 505519 551779 552293 603307 603869 609861 649953 659129 666813 710091 717801 728511 776403 784833 857451 946827 1372123 1423009 1499081 1516557 1555897 1639073 1655337 1656879 1699859 1809921 1811607 1829583 1977387 2000439 2153403 2185533 2354499 2572353 3538633 3862453 3866051 4116369 4223149 4227083 4269027 4497243 4549671 4613903 4667691 4917219 4966011 4970637 5099577 5429763 5434821 5932161 8160521 8915587 9604861 9748171 10493567 10615899 11473511 11587359 11598153 12349107 12669447 12681249 12807081 13491729 13841709 14003073 14751657 15298731 22170619 24481563 26746761 27037171 28814583 29244513 29562043 31480701 31847697 32297321 34420533 34762077 34794459 38008341 38043747 41525127 57123647 62409109 66511857 67234027 68237197 73444689 73454969 80240283 80314577 81111513 86443749 87733539 88686129 94442103 96891963 103261599 155049899 155194333 169396153 171370941 185215249 187227327 199535571 201702081 204711591 220364907 240943731 243334539 266058387 290675889 399865529 421241761 436863763 465149697 465582999 477660379 508188459 514112823 555645747 561681981 605106243 614134773 661094721 722831193 1085349293 1086360331 1185773071 1199596587 1263725283 1296506743 1310591289 1395449091 1396748997 1432981137 1524565377 1666937241 2505279947 2948692327 3256047879 3259080993 3557319213 3598789761 3791175849 3889520229 3931773867 4298943411 7515839841 7597445051 8300411497 8846076981 9075547201 9768143637 9777242979 10671957639 11668560687 17536959629 20640846289 22547519523 22792335153 24901234491 26538230943 27226641603 47600318993 52610878887 61922538867 68377005459 74703703473 81679924809 122758717403 142800956979 157832636661 185767616601 333202232951 368276152209 428402870937 999606698853 1104828456627 2332415630657 2998820096559 6997246891971 20991740675913
• Sum of all divisors σ(n): 37859300519040
• Sum of proper divisors (its aliquot sum) s(n): 16867559843127
• 20991740675913 is a deficient number, because the sum of its proper divisors (16867559843127) is less than itself. Its deficiency is 4124180832786

Bases of 20991740675913

• Binary: 100110001011110000101001111110000011101001001₂
• Hexadecimal: 0x1317853F0749
• Base-36: 7FVH0EOG9

Squares and roots of 20991740675913

• 20991740675913 squared (20991740675913²) is 440653176604780374098383569
• 20991740675913 cubed (20991740675913³) is 9250077211304842928642919298680793273497
• The square root of 20991740675913 is 4581674.4401924719
• The cube root of 20991740675913 is 27585.6243293793

Scales and comparisons

• 20,991,740,675,913 seconds is equal to 667,472 years, 21 weeks, 6 days, 12 hours, 38 minutes, 33 seconds.
• To count from 1 to 20,991,740,675,913 would take you about one million, six hundred sixty-eight thousand, six hundred eighty-one 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 20991740675913 cubic inches would be around 2298.8 feet tall.

Recreational maths with 20991740675913

• 20991740675913 backwards is 31957604719902
• 20991740675913 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 20991740675913's digits is 63
• More coming soon!