21942723420891

Names of 21942723420891

• Cardinal: 21942723420891 can be written as Twenty-one trillion, nine hundred forty-two billion, seven hundred twenty-three million, four hundred twenty thousand, eight hundred ninety-one.

Scientific notation

• Scientific notation: 2.1942723420891 × 10¹³

Factors of 21942723420891

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 568

Divisors of 21942723420891

• Number of divisors d(n): 648
• Complete list of divisors:
  1 3 7 9 13 17 21 27 37 39 49 51 63 81 91 111 117 119 147 153 189 221 243 259 273 289 333 351 357 441 459 481 491 567 629 637 663 729 777 819 833 867 999 1053 1071 1323 1377 1443 1473 1547 1701 1813 1887 1911 1989 2023 2187 2331 2457 2499 2601 2997 3159 3213 3367 3437 3757 3969 4131 4329 4403 4419 4641 5103 5439 5661 5733 5967 6069 6383 6561 6993 7371 7497 7803 8177 8347 8991 9477 9639 10101 10311 10693 10829 11271 11907 12393 12987 13209 13257 13923 14161 15309 16317 16983 17199 17901 18167 18207 19149 20979 22113 22491 23409 23569 24059 24531 25041 26299 26973 28431 28917 30303 30821 30933 32079 32487 33813 35721 37179 38961 39627 39771 41769 42483 44681 45927 48951 50949 51597 53703 54501 54621 57239 57447 58429 62937 66339 67473 70227 70707 72177 73593 74851 75123 78897 80919 85293 86751 90909 92463 92799 96237 97461 101439 107163 108511 111537 116883 118881 119313 125307 127169 127449 134043 139009 141899 146853 152847 154791 161109 163503 163863 171717 172341 175287 184093 188811 199017 202419 210681 212121 216531 220779 224553 225369 236171 236691 242757 260253 272727 277389 278397 288711 292383 304317 308839 312767 321489 325533 350649 356643 357939 375921 381507 382347 400673 402129 409003 417027 425697 440559 458541 464373 483327 490509 491589 515151 517023 523957 525861 552279 566433 597051 607257 632043 636363 649593 662337 673659 676107 708513 710073 759577 780759 818181 832167 835191 866133 877149 890183 912951 926517 938301 973063 976599 993293 1051947 1069929 1073817 1127763 1144521 1147041 1202019 1206387 1227009 1251081 1277091 1321677 1375623 1393119 1449981 1471527 1474767 1545453 1551069 1571871 1577583 1653197 1656837 1699299 1821771 1844687 1896129 1909089 1948779 1987011 2020977 2028321 2125539 2130219 2161873 2278731 2454543 2496501 2505573 2598399 2631447 2670549 2738853 2779551 2814903 2919189 2929797 2979879 3155841 3209787 3221451 3383289 3433563 3441123 3606057 3619161 3681027 3753243 3831273 3965031 4014907 4126869 4179357 4414581 4424301 4636359 4653207 4715613 4732749 4959591 4970511 5250263 5317039 5465313 5534061 5727267 5846337 5961033 6062931 6084963 6376617 6390657 6485619 6811441 6836193 6953051 7363629 7489503 7516719 7795197 7894341 8011647 8216559 8338653 8444709 8757567 8789391 8939637 9629361 10149867 10300689 10323369 10818171 10857483 11043081 11259729 11493819 11572379 11895093 12044721 12912809 13243743 13272903 13909077 13959621 14146839 14198247 14878773 14911533 15133111 15750789 15951117 16602183 17181801 17539011 17883099 18188793 18254889 19129851 19171971 19456857 20434323 20508579 20859153 22090887 22468509 22550157 23385591 23683023 24034941 24649677 25015959 25334127 26272701 26368173 26818911 28104349 28888083 30902067 30970107 32454513 32572449 33129243 33779187 34481457 34717137 36134163 36751841 38738427 39731229 41727231 41878863 42440517 42594741 44636319 44734599 45399333 47252367 47853351 49806549 51545403 52617033 53649297 54566379 54764667 57389553 57515913 58370571 61302969 61525737 62577459 67405527 68253419 70156773 71049069 72104823 75047877 76002381 78818103 79104519 80456733 84313047 90389663 92706201 92910321 97363539 97717347 99387729 101337561 103444371 104151411 108402489 110255523 116215281 119193687 125181693 127321551 127784223 133908957 134203797 136197999 141757101 143560053 149419647 154636209 157851099 163699137 172168659 172547739 175111713 183908907 184577211 187732377 196730443 202216581 204760257 216314469 225143631 228007143 236454309 237313557 241370199 252939141 257262887 271168989 278118603 292090617 293152041 298163187 304012683 310333113 312454233 325207467 330766569 348645843 375545079 381964653 383352669 401726871 402611391 408593997 425271303 430680159 448258941 477773933 491097411 516505977 525335139 551726721 553731633 563197131 590191329 614280771 648943407 675430893 684021429 709362927 711940671 724110597 758817423 771788661 813506967 834355809 876271851 894489561 912038049 930999339 937362699 975622401 992299707 1045937529 1145893959 1205180613 1207834173 1225781991 1275813909 1292040477 1344776823 1433321799 1549517931 1576005417 1655180163 1661194899 1689591393 1770573987 1842842313 1946830221 2026292679 2052064287 2128088781 2172331791 2276452269 2315365983 2440520901 2628815553 2683468683 2812088097 2926867203 2976899121 3137812587 3344417531 3437681877 3615541839 3677345973 3827441727 3876121431 4034330469 4299965397 4728016251 4965540489 4983584697 5068774179 5311721961 5528526939 5840490663 6384266343 6516995373 6829356807 6946097949 7321562703 8436264291 8780601609 8930697363 9413437761 10033252593 10846625517 11032037919 11482325181 11628364293 12102991407 12899896191 14184048753 14896621467 15206322537 15935165883 16585580817 20488070421 20838293847 21964688109 25308792873 26341804827 26792092089 28240313283 30099757779 33096113757 34446975543 34885092879 38699688573 44689864401 45618967611 47805497649 49756742451 61464211263 62514881541 65894064327 75926378619 80376276267 84720939849 90299273337 99288341271 116099065719 143416492947 149270227353 184392633789 187544644623 197682192981 241128828801 270897820011 348297197157 430249478841 447810682059 562633933869 593046578943 812693460033 1044891591471 1290748436523 1687901801607 2438080380099 3134674774413 7314241140297 21942723420891
• Sum of all divisors σ(n): 45074321497296
• Sum of proper divisors (its aliquot sum) s(n): 23131598076405
• 21942723420891 is an abundant number, because the sum of its proper divisors (23131598076405) is greater than itself. Its abundance is 1188874655514

Bases of 21942723420891

• Binary: 100111111010011110000001111000010001011011011₂
• Hexadecimal: 0x13F4F03C22DB
• Base-36: 7S0CIZAOR

Squares and roots of 21942723420891

• 21942723420891 squared (21942723420891²) is 481483111125718429535233881
• 21942723420891 cubed (21942723420891³) is 10565050739261765800101411316512086407971
• The square root of 21942723420891 is 4684306.0767728447
• The cube root of 21942723420891 is 27996.0553205233

Scales and comparisons

• 21,942,723,420,891 seconds is equal to 697,710 years, 38 weeks, 6 hours, 14 minutes, 51 seconds.
• To count from 1 to 21,942,723,420,891 would take you about one million, seven hundred forty-four thousand, two hundred seventy-six 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 21942723420891 cubic inches would be around 2333 feet tall.

Recreational maths with 21942723420891

• 21942723420891 backwards is 19802432724912
• The number of decimal digits it has is: 14
• The sum of 21942723420891's digits is 54
• More coming soon!