21439821266964

Names of 21439821266964

• Cardinal: 21439821266964 can be written as Twenty-one trillion, four hundred thirty-nine billion, eight hundred twenty-one million, two hundred sixty-six thousand, nine hundred sixty-four.

Scientific notation

• Scientific notation: 2.1439821266964 × 10¹³

Factors of 21439821266964

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 655

Divisors of 21439821266964

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 3 4 6 9 12 18 27 31 36 54 62 81 93 108 124 162 186 243 279 324 372 486 558 619 729 837 972 1116 1238 1458 1674 1857 2476 2511 2916 3348 3714 5022 5571 7428 7533 10044 11142 15066 16713 19189 22284 22599 30132 33426 38378 45198 50139 57567 66852 76756 90396 100278 115134 150417 172701 200556 230268 300834 345402 383161 451251 518103 601668 690804 766322 902502 1036206 1149483 1532644 1554309 1805004 2072412 2298966 3108618 3448449 4597932 4662927 6217236 6896898 9325854 10345347 11877991 13793796 13988781 18651708 20690694 23755982 27977562 31036041 35633973 41381388 47511964 55955124 62072082 71267946 93108123 106901919 124144164 142535892 186216246 213803838 237176659 279324369 320705757 372432492 427607676 474353318 558648738 641411514 711529977 948706636 962117271 1117297476 1282823028 1423059954 1924234542 2134589931 2846119908 2886351813 3848469084 4269179862 5772703626 6403769793 7352476429 8538359724 8659055439 11545407252 12807539586 14704952858 17318110878 19211309379 22057429287 25615079172 29409905716 34636221756 38422618758 44114858574 57633928137 66172287861 76845237516 88229717148 115267856274 132344575722 172901784411 198516863583 230535712548 264689151444 345803568822 397033727166 595550590749 691607137644 794067454332 1191101181498 1786651772247 2382202362996 3573303544494 5359955316741 7146607088988 10719910633482 21439821266964
• Sum of all divisors σ(n): 58162397646080
• Sum of proper divisors (its aliquot sum) s(n): 36722576379116
• 21439821266964 is an abundant number, because the sum of its proper divisors (36722576379116) is greater than itself. Its abundance is 15282755112152

Bases of 21439821266964

• Binary: 100110111111111011000111011100100000000010100₂
• Hexadecimal: 0x137FD8EE4014
• Base-36: 7LLBG0T90

Squares and roots of 21439821266964

• 21439821266964 squared (21439821266964²) is 459665935959361818157777296
• 21439821266964 cubed (21439821266964³) is 9855155509480437582992363406776874049344
• The square root of 21439821266964 is 4630315.4608475651
• The cube root of 21439821266964 is 27780.5210349215

Scales and comparisons

• 21,439,821,266,964 seconds is equal to 681,719 years, 51 weeks, 6 days, 11 hours, 29 minutes, 24 seconds.
• To count from 1 to 21,439,821,266,964 would take you about one million, seven hundred four thousand, two hundred ninety-nine 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 21439821266964 cubic inches would be around 2315 feet tall.

Recreational maths with 21439821266964

• 21439821266964 backwards is 46966212893412
• The number of decimal digits it has is: 14
• The sum of 21439821266964's digits is 63
• More coming soon!