21478056423642

Names of 21478056423642

• Cardinal: 21478056423642 can be written as Twenty-one trillion, four hundred seventy-eight billion, fifty-six million, four hundred twenty-three thousand, six hundred forty-two.

Scientific notation

• Scientific notation: 2.1478056423642 × 10¹³

Factors of 21478056423642

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1606

Divisors of 21478056423642

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 6 7 9 13 14 18 21 26 27 29 39 42 54 58 59 63 78 87 91 117 118 126 174 177 182 189 203 234 261 273 351 354 377 378 406 413 522 531 546 609 702 754 767 783 819 826 841 1062 1131 1218 1239 1493 1534 1566 1593 1638 1682 1711 1827 2262 2301 2457 2478 2523 2639 2986 3186 3393 3422 3481 3654 3717 4479 4602 4914 5046 5133 5278 5369 5481 5887 6786 6903 6962 7434 7569 7917 8958 10179 10266 10443 10451 10738 10933 10962 11151 11774 11977 13437 13806 15138 15399 15834 16107 17661 19409 20358 20709 20886 20902 21866 22243 22302 22707 23751 23954 24367 26874 30798 31329 31353 32214 32799 35322 35931 38818 40311 41418 43297 44486 45253 45414 46197 47502 48321 48734 49619 52983 58227 62658 62706 65598 66729 71253 71862 73101 76531 80622 86594 88087 90506 92394 93987 94059 96642 98397 99238 100949 105966 107793 116454 129891 133458 135759 135863 142506 144963 146202 148857 153062 155701 158949 174681 176174 187974 188118 196794 200187 201898 215586 219303 229593 259782 264261 271518 271726 282177 289926 295191 297714 302847 303079 311402 316771 317898 323379 347333 349362 389673 400374 407277 407589 438606 446571 459186 467103 524043 528522 562861 564354 590382 600561 605694 606158 616609 633542 645047 646758 657909 688779 694666 706643 779346 792783 814554 815178 893142 908541 909237 934206 950313 1041999 1048086 1125722 1145131 1169019 1201122 1221831 1222767 1233218 1255613 1290094 1312337 1315818 1339713 1377558 1401309 1413286 1585566 1688583 1817082 1818474 1849827 1900626 1935141 2066337 2083998 2119929 2290262 2338038 2378349 2443662 2445534 2511226 2554523 2624674 2679426 2725623 2727711 2802618 2850939 2927521 3125997 3377166 3435393 3668301 3699654 3766839 3870282 3937011 3940027 4132674 4203927 4239858 4515329 4756698 5065749 5109046 5197133 5451246 5455422 5549481 5701878 5805423 5855042 6251994 6359787 6870786 7336602 7533678 7663569 7874022 7880054 8015917 8183133 8407854 8552817 8782563 8789291 9030658 9186359 9377991 10131498 10306179 10394266 11098962 11300517 11610846 11811033 11820081 12719574 13545987 15197247 15327138 15591399 16031834 16322969 16366266 16648443 17105634 17416269 17565126 17578582 17881661 18372718 18755982 19079361 20492647 20612358 22601034 22990707 23622066 23640162 24047751 26347689 26367873 27091974 27559077 30394494 30918537 31182798 32645938 33208799 33296886 33901551 34832538 35433099 35460243 35763322 36379931 38057773 38158722 40637961 40985294 45981414 46774197 48095502 48968907 52695378 52735746 53644983 55118154 61477941 61837074 66417598 67562729 67803102 68972121 70866198 70920486 72143253 72759862 74081167 76115546 79043067 79103619 81275922 82677231 93548394 97937814 99626397 106380729 107289966 109139793 114173319 114260783 121913883 122955882 135125458 137944242 140322591 144286506 146906721 148162334 150716857 158086134 158207238 160934949 165354462 184433823 199252794 202688187 212761458 216429759 218279586 222243501 228346638 228521566 232461593 237310857 243827766 248031693 266404411 280645182 293813442 298879191 301433714 321869898 327419379 342519957 342782349 368867646 405376374 432859518 440720163 444487002 452150571 464923186 472939103 474621714 482804847 496063386 518568169 532808822 553301469 597758382 608064561 654838758 666730503 685039914 685564698 697384779 799213233 881440326 896637573 904301142 945878206 963055171 965609694 982258137 1027559871 1028347047 1037136338 1055017999 1106602938 1216129122 1333461006 1356451713 1394769558 1418817309 1555704507 1598426466 1793275146 1824193683 1926110342 1959319141 1964516274 2000191509 2055119742 2056694094 2092154337 2110035998 2397639699 2712903426 2837634618 2889165513 3085041141 3111409014 3165053997 3648387366 3918638282 4000383018 4069355139 4184308674 4256451927 4370788853 4667113521 4795279398 5778331026 5877957423 6170082282 6276463011 6330107994 6741386197 7192919097 8138710278 8512903854 8667496539 8741577706 9334227042 9495161991 11755914846 12552926022 12769355781 13112366559 13482772394 13715233987 14001340563 14385838194 17334993078 17633872269 18990323982 20224158591 25538711562 26002489617 26224733118 27430467974 28002681126 28485485973 30595521971 35267744538 39337099677 40448317182 41145701961 52004979234 52901616807 56820255089 56970971946 60672475773 61191043942 78674199354 82291403922 91786565913 105803233614 113640510178 118011299031 121344951546 123437105883 170460765267 182017427319 183573131826 236022598062 246874211766 275359697739 340921530534 364034854638 370311317649 397741785623 511382295801 550719395478 740622635298 795483571246 826079093217 1022764591602 1193225356869 1534146887403 1652158186434 2386450713738 3068293774806 3579676070607 7159352141214 10739028211821 21478056423642
• Sum of all divisors σ(n): 61928982984960
• Sum of proper divisors (its aliquot sum) s(n): 40450926561318
• 21478056423642 is an abundant number, because the sum of its proper divisors (40450926561318) is greater than itself. Its abundance is 18972870137676

Bases of 21478056423642

• Binary: 100111000100010111111111011000111000011011010₂
• Hexadecimal: 0x1388BFEC70DA
• Base-36: 7M2VS8WYI

Squares and roots of 21478056423642

• 21478056423642 squared (21478056423642²) is 461306907737149379376544164
• 21478056423642 cubed (21478056423642³) is 9907975792994308658196098018703106725288
• The square root of 21478056423642 is 4634442.4069829585
• The cube root of 21478056423642 is 27797.0255532843

Scales and comparisons

• 21,478,056,423,642 seconds is equal to 682,935 years, 39 weeks, 3 days, 20 minutes, 42 seconds.
• To count from 1 to 21,478,056,423,642 would take you about one million, seven hundred seven thousand, three hundred thirty-nine 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 21478056423642 cubic inches would be around 2316.4 feet tall.

Recreational maths with 21478056423642

• 21478056423642 backwards is 24632465087412
• 21478056423642 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21478056423642's digits is 54
• More coming soon!