21088987674690

Names of 21088987674690

• Cardinal: 21088987674690 can be written as Twenty-one trillion, eighty-eight billion, nine hundred eighty-seven million, six hundred seventy-four thousand, six hundred ninety.

Scientific notation

• Scientific notation: 2.108898767469 × 10¹³

Factors of 21088987674690

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 19695

Divisors of 21088987674690

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 5 6 10 13 15 26 30 31 39 43 62 65 67 78 86 93 129 130 134 155 186 195 201 215 258 310 335 390 402 403 430 465 559 645 670 806 871 930 961 1005 1118 1209 1290 1333 1677 1742 1922 2010 2015 2077 2418 2613 2666 2795 2881 2883 3354 3999 4030 4154 4355 4805 5226 5590 5762 5766 6045 6231 6665 7998 8385 8643 8710 9610 10385 12090 12462 12493 13065 13330 14405 14415 16770 17286 17329 19531 19995 20770 24986 26130 27001 28810 28830 31155 34658 37453 37479 39062 39990 41323 43215 51987 54002 58593 62310 62465 64387 74906 74958 81003 82646 86430 86645 89311 97655 103974 112359 117186 123969 124930 128774 135005 162006 173290 178622 187265 187395 193161 195310 206615 224718 247938 253903 259935 267933 270010 292965 321935 374530 374790 386322 405015 413230 446555 507806 519870 535866 537199 561795 585930 605461 619845 643870 761709 810030 837031 839833 893110 965805 1074398 1123590 1161043 1210922 1239690 1269515 1308577 1339665 1523418 1611597 1674062 1679666 1816383 1931610 2322086 2511093 2519499 2539030 2617154 2679330 2685995 2768641 3027305 3223194 3483129 3632766 3808545 3925731 4185155 4199165 5022186 5038998 5371990 5537282 5805215 6054610 6542885 6966258 7617090 7851462 7870993 8057985 8305923 8370310 8398330 9081915 10917829 11610430 12555465 12597495 13085770 13843205 15741986 16115970 16611846 17011501 17415645 18163830 18769291 19628655 21835658 23612979 25110930 25194990 26034823 27686410 32753487 34023002 34831290 35992333 37538582 39257310 39354965 40565887 41529615 47225958 51034503 52069646 54589145 56268811 56307873 65506974 71984666 78104469 78709930 81131774 83059230 85057505 93846455 102069006 107976999 109178290 112537622 112615746 118064895 121697661 130174115 156208938 163767435 168806433 170115010 179961665 187692910 202829435 215953998 236129790 243395322 244000783 255172515 260348230 281344055 281539365 327534870 337612866 338452699 359923330 390522345 405658870 488001566 510345030 527356531 539884995 562688110 563078730 608488305 676905398 731494543 732002349 781044690 807079513 844032165 1015358097 1054713062 1079769990 1216976610 1220003915 1257542497 1462989086 1464004698 1582069593 1614159026 1688064330 1692263495 1744333141 2030716194 2194483629 2421238539 2440007830 2515084994 2636782655 3164139186 3384526990 3488666282 3657472715 3660011745 3772627491 4035397565 4388967258 4842477078 5076790485 5232999423 5273565310 6287712485 7314945430 7320023490 7545254982 7910347965 8070795130 8721665705 10153580970 10465998846 10492033669 10972418145 12106192695 12575424970 15820695930 16348052461 17443331410 18863137455 20984067338 21944836290 22676330833 24212385390 26164997115 31476101007 32696104922 37726274910 45352661666 49044157383 52329994230 52460168345 54074327371 62952202014 68028992499 81740262305 98088314766 104920336690 108148654742 113381654165 136057984998 157380505035 162222982113 163480524610 226763308330 245220786915 270371636855 314761010070 324445964226 340144962495 490441573830 540743273710 680289924990 702966255823 811114910565 1405932511646 1622229821130 2108898767469 3514831279115 4217797534938 7029662558230 10544493837345 21088987674690
• Sum of all divisors σ(n): 58494911118336
• Sum of proper divisors (its aliquot sum) s(n): 37405923443646
• 21088987674690 is an abundant number, because the sum of its proper divisors (37405923443646) is greater than itself. Its abundance is 16316935768956

Bases of 21088987674690

• Binary: 100110010111000101001100111100111100001000010₂
• Hexadecimal: 0x132E299E7842
• Base-36: 7H45ARCXU

Squares and roots of 21088987674690

• 21088987674690 squared (21088987674690²) is 444745401143226733266596100
• 21088987674690 cubed (21088987674690³) is 9379230283084568413235357354790422709000
• The square root of 21088987674690 is 4592274.7821411995
• The cube root of 21088987674690 is 27628.1567284599

Scales and comparisons

• 21,088,987,674,690 seconds is equal to 670,564 years, 29 weeks, 6 days, 11 hours, 51 minutes, 30 seconds.
• To count from 1 to 21,088,987,674,690 would take you about one million, six hundred seventy-six thousand, four hundred eleven 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 21088987674690 cubic inches would be around 2302.3 feet tall.

Recreational maths with 21088987674690

• 21088987674690 backwards is 09647678988012
• The number of decimal digits it has is: 14
• The sum of 21088987674690's digits is 75
• More coming soon!