21240493640730

Names of 21240493640730

• Cardinal: 21240493640730 can be written as Twenty-one trillion, two hundred forty billion, four hundred ninety-three million, six hundred forty thousand, seven hundred thirty.

Scientific notation

• Scientific notation: 2.124049364073 × 10¹³

Factors of 21240493640730

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 860943

Divisors of 21240493640730

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 5 6 7 9 10 13 14 15 18 21 23 26 30 35 39 42 45 46 63 65 69 70 78 90 91 105 115 117 126 130 131 138 161 182 195 207 210 230 234 262 273 299 315 322 345 390 393 414 455 483 546 585 598 630 655 690 786 805 819 897 910 917 966 1035 1170 1179 1310 1365 1449 1495 1610 1638 1703 1794 1834 1965 2070 2093 2358 2415 2691 2730 2751 2898 2990 3013 3406 3930 4095 4186 4485 4585 4830 5109 5382 5502 5895 6026 6279 7245 8190 8253 8515 8970 9039 9170 10218 10465 11790 11921 12558 13455 13755 14490 15065 15327 16506 17030 18078 18837 20930 21091 23842 25545 26910 27117 27510 30130 30654 31395 35763 37674 39169 41265 42182 45195 51090 54234 59605 62790 63273 71526 76635 78338 82530 90390 94185 105455 107289 117507 119210 126546 135585 153270 178815 188370 189819 195845 210910 214578 235014 271170 274183 316365 352521 357630 379638 391690 536445 548366 587535 632730 705042 822549 860759 949095 1072890 1175070 1370915 1645098 1721518 1762605 1898190 2467647 2582277 2741830 3525210 4112745 4303795 4935294 5164554 6025313 7746831 8225490 8607590 11189867 12050626 12338235 12911385 15493662 18075939 19797457 22379734 24676470 25822770 30126565 33569601 36151878 38734155 39594914 54227817 55949335 59392371 60253130 67139202 77468310 78329069 90379695 98987285 100708803 108455634 111898670 112759429 118784742 138582199 156658138 167848005 178177113 180759390 197974570 201417606 225518858 234987207 257366941 271139085 277164398 296961855 335696010 338278287 356354226 391645345 415746597 469974414 503544015 514733882 542278170 563797145 593923710 676556574 692910995 704961621 772100823 783290690 789316003 831493194 890885565 1007088030 1014834861 1127594290 1174936035 1247239791 1286834705 1385821990 1409923242 1465872577 1544201646 1578632006 1691391435 1781771130 1801568587 2029669722 2078732985 2316302469 2349872070 2367948009 2494479582 2573669410 2593466867 2931745154 3382782870 3524808105 3603137174 3860504115 3946580015 4157465970 4397617731 4632604938 4735896018 5074174305 5186933734 5404705761 6236198955 7049616210 7103844027 7329362885 7721008230 7780400601 7893160030 8795235462 9007842935 10148348610 10261108039 10809411522 11581512345 11839740045 12472397910 12967334335 13192853193 14207688054 14658725770 15560801202 16214117283 18015685870 18154268069 20522216078 21988088655 23163024690 23341201803 23679480090 25934668670 26385706386 27023528805 30783324117 32428234566 33715069271 35519220135 36308536138 38902003005 43976177310 46682403606 51305540195 54047057610 54462804207 61566648234 65964265965 67430138542 71038440270 77804006010 81070586415 90771340345 92349972351 101145207813 102611080390 108925608414 116706009015 131928531930 153916620585 162141172830 163388412621 168575346355 181542680690 184699944702 202290415626 233412018030 236005484897 272314021035 303435623439 307833241170 326776825242 337150692710 461749861755 472010969794 505726039065 544628042070 606871246878 708016454691 816942063105 923499723510 1011452078130 1180027424485 1416032909382 1517178117195 1633884126210 2124049364073 2360054848970 3034356234390 3540082273455 4248098728146 7080164546910 10620246820365 21240493640730
• Sum of all divisors σ(n): 71466272317440
• Sum of proper divisors (its aliquot sum) s(n): 50225778676710
• 21240493640730 is an abundant number, because the sum of its proper divisors (50225778676710) is greater than itself. Its abundance is 28985285035980

Bases of 21240493640730

• Binary: 100110101000101110000000101000000110000011010₂
• Hexadecimal: 0x135170140C1A
• Base-36: 7J1QXI0II

Squares and roots of 21240493640730

• 21240493640730 squared (21240493640730²) is 451158570101891570314932900
• 21240493640730 cubed (21240493640730³) is 9582830739210067807418325905806657017000
• The square root of 21240493640730 is 4608741.0038675423
• The cube root of 21240493640730 is 27694.1603162041

Scales and comparisons

• 21,240,493,640,730 seconds is equal to 675,381 years, 51 weeks, 5 days, 18 hours, 25 minutes, 30 seconds.
• To count from 1 to 21,240,493,640,730 would take you about one million, six hundred eighty-eight thousand, four hundred fifty-four 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 21240493640730 cubic inches would be around 2307.8 feet tall.

Recreational maths with 21240493640730

• 21240493640730 backwards is 03704639404212
• 21240493640730 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21240493640730's digits is 45
• More coming soon!