21067438729546950

Names of 21067438729546950

• Cardinal: 21067438729546950 can be written as Twenty-one quadrillion, sixty-seven trillion, four hundred thirty-eight billion, seven hundred twenty-nine million, five hundred forty-six thousand, nine hundred fifty.

Scientific notation

• Scientific notation: 2.106743872954695 × 10¹⁶

Factors of 21067438729546950

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 155287

Divisors of 21067438729546950

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 5 6 10 13 15 25 26 30 39 50 65 75 78 130 150 169 195 325 338 390 507 643 650 845 975 1014 1286 1690 1929 1950 2197 2535 3215 3858 4225 4394 5070 6430 6591 8359 8450 9645 10985 12675 13182 16075 16718 19290 21970 25077 25350 32150 32955 41795 48225 50154 54925 65910 83590 96450 108667 109850 125385 154621 164775 208975 217334 250770 309242 326001 329550 413449 417950 463863 543335 626925 652002 773105 826898 927726 1086670 1240347 1253850 1412671 1546210 1630005 2010073 2067245 2319315 2480694 2716675 2825342 3260010 3865525 4020146 4134490 4238013 4638630 5374837 5433350 6030219 6201735 7063355 7731050 8150025 8476026 10050365 10336225 10749674 11596575 12060438 12403470 14126710 16124511 16300050 20100730 20672450 21190065 23193150 26130949 26874185 30151095 31008675 32249022 35316775 42380130 50251825 52261898 53748370 60302190 62017350 69872881 70633550 78392847 80622555 99421303 100503650 105950325 130654745 134370925 139745762 150755475 156785694 161245110 198842606 209618643 211900650 261309490 268741850 298263909 301510950 339702337 349364405 391964235 403112775 419237286 497106515 596527818 653273725 679404674 698728810 783928470 806225550 908347453 994213030 1019107011 1048093215 1292476939 1306547450 1491319545 1698511685 1746822025 1816694906 1959821175 2038214022 2096186430 2485532575 2584953878 2725042359 2982639090 3397023370 3493644050 3877430817 3919642350 4541737265 4971065150 5095535055 5240466075 5450084718 6462384695 7456597725 7754861634 8492558425 9083474530 10191070110 10480932150 12924769390 13625211795 14913195450 16802200207 16985116850 19387154085 22708686325 25477675275 27250423590 32311923475 33604400414 38774308170 45417372650 50406600621 50955350550 63927897829 64623846950 68126058975 84011001035 96935770425 100813201242 127855795658 136252117950 168022002070 191783693487 193871540850 218428602691 252033003105 319639489145 383567386974 420055005175 436857205382 504066006210 639278978290 655285808073 831062671777 840110010350 958918467435 1092143013455 1260165015525 1310571616146 1598197445725 1662125343554 1917836934870 2184286026910 2493188015331 2520330031050 3196394891450 3276429040365 4155313358885 4794592337175 4986376030662 5460715067275 6552858080730 8310626717770 9589184674350 10803814733101 10921430134550 12465940076655 16382145201825 20776566794425 21607629466202 24931880153310 32411444199303 32764290403650 41553133588850 54019073665505 62329700383275 64822888398606 108038147331010 124659400766550 140449591530313 162057220996515 270095368327525 280899183060626 324114441993030 421348774590939 540190736655050 702247957651565 810286104982575 842697549181878 1404495915303130 1620572209965150 2106743872954695 3511239788257825 4213487745909390 7022479576515650 10533719364773475 21067438729546950
• Sum of all divisors σ(n): 56687730783334560
• Sum of proper divisors (its aliquot sum) s(n): 35620292053787610
• 21067438729546950 is an abundant number, because the sum of its proper divisors (35620292053787610) is greater than itself. Its abundance is 14552853324240660

Bases of 21067438729546950

• Binary: 1001010110110001011100101010001110011010100110011000110₂
• Hexadecimal: 0x4AD8B951CD4CC6
• Base-36: 5RFS7QQF8W6

Squares and roots of 21067438729546950

• 21067438729546950 squared (21067438729546950²) is 443836974623214806666952254302500
• 21067438729546950 cubed (21067438729546950³) is 9350508268782062433731764665192834917013252375000
• The square root of 21067438729546950 is 145146266.6745064787
• The cube root of 21067438729546950 is 276187.4327629901

Scales and comparisons

• 21,067,438,729,546,950 seconds is equal to 669,879,385 years, 38 weeks, 19 hours, 2 minutes, 30 seconds.
• To count from 1 to 21,067,438,729,546,950 would take you about two billion, nine million, six hundred thirty-eight thousand, one hundred fifty-seven 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 21067438729546950 cubic inches would be around 23015.6 feet tall.

Recreational maths with 21067438729546950

• 21067438729546950 backwards is 05964592783476012
• 21067438729546950 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 21067438729546950's digits is 78
• More coming soon!