21440249189268

Names of 21440249189268

• Cardinal: 21440249189268 can be written as Twenty-one trillion, four hundred forty billion, two hundred forty-nine million, one hundred eighty-nine thousand, two hundred sixty-eight.

Scientific notation

• Scientific notation: 2.1440249189268 × 10¹³

Factors of 21440249189268

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1670275

Divisors of 21440249189268

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 7 12 13 14 21 26 28 39 42 52 78 84 91 156 182 273 364 546 1092 11839 23678 35517 47356 71034 82873 142068 153907 165746 248619 307814 331492 461721 497238 615628 923442 994476 1077349 1658411 1846884 2154698 3232047 3316822 4309396 4975233 6464094 6633644 9950466 11608877 12928188 19900932 21559343 23217754 34826631 43118686 46435508 64678029 69653262 86237372 129356058 139306524 150915401 258712116 301830802 452746203 603661604 905492406 1810984812 19633927829 39267855658 58901783487 78535711316 117803566974 137437494803 235607133948 255241061777 274874989606 412312484409 510482123554 549749979212 765723185331 824624968818 1020964247108 1531446370662 1649249937636 1786687432439 3062892741324 3573374864878 5360062297317 7146749729756 10720124594634 21440249189268
• Sum of all divisors σ(n): 61577235578880
• Sum of proper divisors (its aliquot sum) s(n): 40136986389612
• 21440249189268 is an abundant number, because the sum of its proper divisors (40136986389612) is greater than itself. Its abundance is 18696737200344

Bases of 21440249189268

• Binary: 100110111111111110010011011111101001110010100₂
• Hexadecimal: 0x137FF26FD394
• Base-36: 7LLIISO7O

Squares and roots of 21440249189268

• 21440249189268 squared (21440249189268²) is 459684285297907131286375824
• 21440249189268 cubed (21440249189268³) is 9855745625177693383419874898449955456832
• The square root of 21440249189268 is 4630361.6693804815
• The cube root of 21440249189268 is 27780.7058596195

Scales and comparisons

• 21,440,249,189,268 seconds is equal to 681,733 years, 31 weeks, 3 days, 6 hours, 47 minutes, 48 seconds.
• To count from 1 to 21,440,249,189,268 would take you about one million, seven hundred four thousand, three hundred thirty-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 21440249189268 cubic inches would be around 2315.1 feet tall.

Recreational maths with 21440249189268

• 21440249189268 backwards is 86298194204412
• The number of decimal digits it has is: 14
• The sum of 21440249189268's digits is 60
• More coming soon!