21231008062066881

Names of 21231008062066881

• Cardinal: 21231008062066881 can be written as Twenty-one quadrillion, two hundred thirty-one trillion, eight billion, sixty-two million, sixty-six thousand, eight hundred eighty-one.

Scientific notation

• Scientific notation: 2.1231008062066881 × 10¹⁶

Factors of 21231008062066881

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 339

Divisors of 21231008062066881

• Number of divisors d(n): 405
• Complete list of divisors:
  1 3 9 13 27 39 81 103 107 113 117 169 309 321 339 351 507 927 963 1017 1053 1339 1391 1469 1521 2781 2889 3051 4017 4173 4407 4563 8343 8667 9153 10609 11021 11449 11639 12051 12091 12519 12769 13221 13689 17407 18083 19097 31827 33063 34347 34917 36153 36273 37557 38307 39663 52221 54249 57291 95481 99189 103041 104751 108459 108819 112671 114921 118989 137917 143273 148837 151307 156663 157183 162747 165997 171873 286443 297567 309123 314253 326457 344763 413751 429819 446511 453921 469989 471549 488241 497991 515619 859329 892701 927369 942759 979371 1034289 1135163 1179247 1198817 1241253 1245373 1289457 1293737 1315207 1339533 1361763 1366283 1409967 1414647 1464723 1493973 1546857 1792921 1862549 1934881 1966991 2043379 2157961 3405489 3537741 3596451 3723759 3736119 3868371 3881211 3945621 4018599 4085289 4098849 4243941 4481919 5378763 5587647 5804643 5900973 6130137 6473883 10216467 10613223 10789353 11171277 11208357 11605113 11643633 11836863 12055797 12255867 12296547 12731823 13445757 14757119 15330211 15584621 16136289 16189849 16762941 16818581 17097691 17413929 17702919 17761679 18390411 19421649 30649401 31839669 32368059 33625071 34930899 35510589 36889641 44271357 45990633 46753863 48408867 48569547 50288823 50455743 51293073 52241787 53108757 53285037 55171233 58264947 91948203 95519007 97104177 100875213 104792697 106531767 110668923 121462441 128273419 132814071 133254911 135466321 137971899 140261589 140727149 145226601 145708641 146192281 150866469 151367229 153879219 156725361 159326271 159855111 165513699 174794841 191842547 199292743 202600073 210468037 218641553 222269983 230901827 364387323 384820257 398442213 399764733 406398963 413915697 420784767 422181447 437125923 438576843 454101687 461637657 479565333 575527641 597878229 607800219 631404111 655924659 666809949 692705481 1093161969 1154460771 1195326639 1199294199 1219196889 1241747091 1262354301 1266544341 1311377769 1315730529 1362305061 1384912971 1438695999 1579011733 1667554447 1726582923 1732313843 1761062173 1793634687 1823400657 1829452937 1894212333 1900499653 1967773977 2000429847 2078116443 3279485907 3463382313 3597882597 3657590667 3799633023 3947191587 4737035199 5002663341 5179748769 5196941529 5283186519 5380904061 5470201971 5488358811 5682636999 5701498959 5903321931 6001289541 6234349329 9838457721 10390146939 10793647791 10972772001 11398899069 11841574761 13725255833 14211105597 14494896347 15007990023 15057804943 15539246307 15590824587 15849559557 16142712183 16410605913 16465076433 17047910997 17104496877 17709965793 18003868623 18703047987 20527152529 21678207811 22520079959 22893808249 23782888181 24706495489 41175767499 42633316791 43484689041 45023970069 45173414829 46772473761 47548678671 49395229299 51313490631 61581457587 65034623433 67560239877 68681424747 71348664543 74119486467 123527302497 127899950373 130454067123 135071910207 135520244487 140317421283 142646036013 148185687897 153940471893 178428325829 184744372761 188433652511 195103870299 195751464259 202680719631 206044274241 214045993629 222358459401 370581907491 391362201369 406560733461 535284977487 554233118283 565300957533 585311610897 587254392777 608042158893 618132822723 642137980887 667075378203 1111745722473 1174086604107 1219682200383 1550953909129 1605854932461 1662699354849 1695902872599 1755934832691 1761763178331 1824126476679 1854398468169 1926413942661 2001226134609 2319568235777 2449637482643 2544769035367 4652861727387 4817564797383 5087708617797 5285289534993 6958704707331 7348912447929 7634307106101 13958585182161 14452694392149 15263125853391 15855868604979 20162400818677 20876114121993 22046737343787 22902921318303 41875755546483 60487202456031 62628342365979 66140212031361 68708763954909 125627266639449 181461607368093 187885027097937 198420636094083 206126291864727 262111210642801 544384822104279 786333631928403 1633154466312837 2359000895785209 7077002687355627 21231008062066881
• Sum of all divisors σ(n): 35319104607715929
• Sum of proper divisors (its aliquot sum) s(n): 14088096545649048
• 21231008062066881 is a deficient number, because the sum of its proper divisors (14088096545649048) is less than itself. Its deficiency is 7142911516417833

Bases of 21231008062066881

• Binary: 1001011011011010111110101000101110000110101000011000001₂
• Hexadecimal: 0x4B6D7D45C350C1
• Base-36: 5T1RIGFRR29

Squares and roots of 21231008062066881

• 21231008062066881 squared (21231008062066881²) is 450755703331548897944393717068161
• 21231008062066881 cubed (21231008062066881³) is 9569997971454741903399155556619692190705217675841
• 21231008062066881 is a perfect square number. Its square root is 145708641
• The cube root of 21231008062066881 is 276900.3715009299

Scales and comparisons

• 21,231,008,062,066,881 seconds is equal to 675,080,384 years, 28 weeks, 5 days, 15 hours, 1 minute, 21 seconds.
• To count from 1 to 21,231,008,062,066,881 would take you about two billion, twenty-five million, two hundred forty-one thousand, one hundred fifty-three 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 21231008062066881 cubic inches would be around 23075 feet tall.

Recreational maths with 21231008062066881

• 21231008062066881 backwards is 18866026080013212
• The number of decimal digits it has is: 17
• The sum of 21231008062066881's digits is 54
• More coming soon!