21440640292929

Names of 21440640292929

• Cardinal: 21440640292929 can be written as Twenty-one trillion, four hundred forty billion, six hundred forty million, two hundred ninety-two thousand, nine hundred twenty-nine.

Scientific notation

• Scientific notation: 2.1440640292929 × 10¹³

Factors of 21440640292929

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 200

Divisors of 21440640292929

• Number of divisors d(n): 432
• Complete list of divisors:
  1 3 9 11 13 27 33 39 41 59 73 99 117 123 143 169 177 219 297 351 369 429 451 507 531 533 649 657 767 803 949 1107 1287 1353 1521 1593 1599 1681 1859 1947 1971 2301 2409 2419 2847 2993 3481 3861 4059 4307 4563 4797 5043 5577 5841 5863 6903 6929 7227 7257 8437 8541 8979 9971 10439 10443 12177 12337 12921 14391 15129 16731 17523 17589 18491 20709 20787 21681 21771 21853 25311 25623 26609 26937 29913 31317 31329 31447 32923 37011 38291 38763 38909 45253 45387 47377 50193 52767 55473 55991 62361 65313 65559 75933 76219 79827 80811 89739 93951 93987 94341 98769 99179 109681 111033 114873 116289 116727 122713 135707 135759 142131 142721 158301 166419 167973 176587 187083 196677 227799 228657 239481 240383 254113 269217 281853 283023 284089 296307 297537 329043 333099 344619 345917 350181 368139 407121 407277 408811 426393 427999 428163 497783 499257 503919 505817 529761 588289 590031 615901 685971 718443 721149 727883 762339 849069 852267 888921 892611 987129 1033857 1037751 1050543 1090969 1104417 1221363 1221831 1226433 1279179 1283997 1284489 1289327 1349843 1493349 1511757 1517451 1569931 1589283 1595269 1764867 1847703 1855373 1942457 2057913 2163447 2183649 2287017 2295631 2556801 2677833 2795243 2961387 3113253 3124979 3272907 3303469 3313251 3664089 3679299 3851991 3853467 3867981 4049529 4480047 4496921 4552353 4709793 4767849 4785807 5294601 5543109 5563987 5566119 5827371 5851561 6471179 6490341 6550947 6861051 6886893 7240067 7670403 8006713 8385729 9339759 9374937 9818721 9910407 10418633 11037897 11555973 11603943 12148587 13440141 13490763 13657059 14129379 14182597 14357421 15883803 16629327 16691961 16698357 16761251 17482113 17547959 17554683 19413537 19652841 20409103 20660679 20738497 21720201 24020139 24119849 25157187 25251941 28124811 29456163 29731221 29843203 31255899 34811829 36338159 36445761 40472289 42388137 42547791 42945097 43072263 50075883 50095071 50283753 52446339 52643877 52664049 58240611 61227309 61982037 62215491 64367171 65160603 72060417 72359547 75471561 75755823 76070293 79640737 84374433 89193663 89529609 93767697 94120871 109014477 114604963 121416867 127643373 128835291 135442229 150227649 150851259 157931631 157992147 174721833 183681927 184373761 186646473 193101513 195481809 216181251 217078641 227267469 228123467 228210879 238922211 265318339 268588827 281303091 282362613 327043431 328275233 343814889 382930119 386505873 406326687 427163953 452553777 472396067 473794893 551045781 553121283 559939419 579304539 651235923 681802407 684370401 684632637 716766633 795955017 805766481 836773223 847087839 981130293 984825699 988913809 1031444667 1035329581 1159517619 1218980061 1223571323 1281491859 1417188201 1489864519 1659363849 1737913617 1760748977 2053111203 2053897911 2150299899 2387865051 2510319669 2541263517 2954477097 2966741427 3094334001 3105988743 3656940183 3670713969 3844475577 4251564603 4469593557 4698803483 4978091547 5282246931 5553131389 6159333609 7163595153 7530959007 8863431291 8900224281 9317966229 10878051899 11012141907 11533426731 12754693809 13408780671 13459284553 14096410449 15846740793 16659394167 19368238747 22592877021 26700672843 27953898687 32634155697 33036425721 40226342013 40377853659 42289231347 47540222379 49978182501 58104716241 61084445279 72190708057 97902467091 121133560977 126867694041 149934547503 174314148723 183253335837 216572124171 293707401273 363400682931 522942446169 549760007511 649716372513 794097788627 1649280022533 1949149117539 2382293365881 7146880097643 21440640292929
• Sum of all divisors σ(n): 39658405682880
• Sum of proper divisors (its aliquot sum) s(n): 18217765389951
• 21440640292929 is a deficient number, because the sum of its proper divisors (18217765389951) is less than itself. Its deficiency is 3222874902978

Bases of 21440640292929

• Binary: 100111000000000001001101111111001100001000001₂
• Hexadecimal: 0x138009BF9841
• Base-36: 7LLOZNDQ9

Squares and roots of 21440640292929

• 21440640292929 squared (21440640292929²) is 459701056170770554927399041
• 21440640292929 cubed (21440640292929³) is 9856284987637040673846236858754313681089
• The square root of 21440640292929 is 4630403.9017054443
• The cube root of 21440640292929 is 27780.8747797599

Scales and comparisons

• 21,440,640,292,929 seconds is equal to 681,746 years, 2 weeks, 22 hours, 42 minutes, 9 seconds.
• To count from 1 to 21,440,640,292,929 would take you about one million, seven hundred four thousand, three hundred sixty-five 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 21440640292929 cubic inches would be around 2315.1 feet tall.

Recreational maths with 21440640292929

• 21440640292929 backwards is 92929204604412
• The number of decimal digits it has is: 14
• The sum of 21440640292929's digits is 54
• More coming soon!