21240743610735

Names of 21240743610735

• Cardinal: 21240743610735 can be written as Twenty-one trillion, two hundred forty billion, seven hundred forty-three million, six hundred ten thousand, seven hundred thirty-five.

Scientific notation

• Scientific notation: 2.1240743610735 × 10¹³

Factors of 21240743610735

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 83841

Divisors of 21240743610735

• Number of divisors d(n): 256
• Complete list of divisors:
  1 3 5 9 11 15 27 33 41 43 45 55 97 99 123 129 135 165 205 215 291 297 369 387 451 473 485 495 615 645 873 1067 1107 1161 1353 1419 1455 1485 1763 1845 1935 2255 2365 2619 3201 3977 4059 4171 4257 4365 5289 5335 5535 5805 6765 7095 8815 9603 11931 12177 12513 12771 13095 15867 16005 19393 19885 20295 20855 21285 26445 28809 35793 37539 43747 45881 47601 48015 58179 59655 60885 62565 63855 79335 83641 96965 107379 112617 131241 137643 144045 171011 174537 178965 187695 218735 229405 238005 250923 290895 393723 412929 418205 513033 523611 536895 563085 656205 688215 752769 855055 872685 920051 1181169 1238787 1254615 1539099 1881121 1968615 2064645 2258307 2565165 2618055 2760153 3429281 3596563 3763845 4600255 4617297 5643363 5905845 6193935 7695495 8113177 8280459 9405605 10287843 10789689 11291535 13800765 16930089 17146405 17982815 23086485 24339531 24841377 28216815 30863529 32369067 37722091 39562193 40565885 41402295 50790267 51439215 53948445 73018593 84650445 89244947 92590587 97107201 113166273 118686579 121697655 124206885 147459083 154317645 161845335 188610455 197810965 219055779 253951335 267734841 332640257 339498819 348866611 356059737 365092965 442377249 446224735 462952935 485536005 565831365 593432895 737295415 803204523 997920771 1018496457 1046599833 1068179211 1095278895 1327131747 1338674205 1622049913 1663201285 1697494095 1744333055 1780298685 2211886245 2409613569 2993762313 3139799499 3659042827 3837532721 3981395241 4016022615 4866149739 4989603855 5092482285 5232999165 5340896055 6635658735 8110249565 8981286939 9419398497 10977128481 11512598163 12048067845 14303531051 14598449217 14968811565 15698997495 18295214135 19187663605 19906976205 24330748695 32931385443 34537794489 42910593153 43795347651 44906434695 47096992485 54885642405 57562990815 71517655255 72992246085 98794156329 103613383467 128731779459 157338841561 164656927215 172688972445 214552965765 218976738255 386195338377 472016524683 493970781645 518066917335 643658897295 786694207805 1416049574049 1930976691885 2360082623415 4248148722147 7080247870245 21240743610735
• Sum of all divisors σ(n): 43625954211840
• Sum of proper divisors (its aliquot sum) s(n): 22385210601105
• 21240743610735 is an abundant number, because the sum of its proper divisors (22385210601105) is greater than itself. Its abundance is 1144466990370

Bases of 21240743610735

• Binary: 100110101000101111110111110100100100101101111₂
• Hexadecimal: 0x13517EFA496F
• Base-36: 7J1V2BQLR

Squares and roots of 21240743610735

• 21240743610735 squared (21240743610735²) is 451169189136979725207240225
• 21240743610735 cubed (21240743610735³) is 9583169071521792866910923832931033815375
• The square root of 21240743610735 is 4608768.1229082245
• The cube root of 21240743610735 is 27694.2689558989

Scales and comparisons

• 21,240,743,610,735 seconds is equal to 675,389 years, 49 weeks, 22 hours, 32 minutes, 15 seconds.
• To count from 1 to 21,240,743,610,735 would take you about one million, six hundred eighty-eight thousand, four hundred seventy-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 21240743610735 cubic inches would be around 2307.9 feet tall.

Recreational maths with 21240743610735

• 21240743610735 backwards is 53701634704212
• 21240743610735 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21240743610735's digits is 45
• More coming soon!