21439740971446

Names of 21439740971446

• Cardinal: 21439740971446 can be written as Twenty-one trillion, four hundred thirty-nine billion, seven hundred forty million, nine hundred seventy-one thousand, four hundred forty-six.

Scientific notation

• Scientific notation: 2.1439740971446 × 10¹³

Factors of 21439740971446

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 13842

Divisors of 21439740971446

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 7 14 31 59 62 118 151 217 302 413 421 434 826 842 1057 1829 2114 2947 3658 4681 5894 8909 9362 12803 13051 13171 17818 24839 25606 26102 26342 32767 49678 62363 63571 65534 91357 92197 124726 127142 173873 182714 184394 276179 347746 408301 444997 552358 770009 777089 816602 889994 1540018 1554178 1933253 1970701 1988821 2858107 3750689 3866506 3941402 3977642 5390063 5439623 5544991 5716214 7501378 10780126 10879246 11089982 13794907 13921747 24089759 26254823 27589814 27843494 38814937 48179518 52509646 61653451 77629874 116271359 117340439 123306902 168628313 171894721 232542718 234680878 327154469 337256626 343789442 431574157 654308938 813899513 821383073 837293641 863148314 1203263047 1627799026 1642766146 1674587282 2290081283 2406526094 3637553609 4580162566 5861055487 7275107218 10141788539 11722110974 20283577078 25462875263 25956102871 49400324819 50925750526 51912205742 70992519773 98800649638 141985039546 181692720097 345802273733 363385440194 691604547466 1531410069389 3062820138778 10719870485723 21439740971446
• Sum of all divisors σ(n): 38933211709440
• Sum of proper divisors (its aliquot sum) s(n): 17493470737994
• 21439740971446 is a deficient number, because the sum of its proper divisors (17493470737994) is less than itself. Its deficiency is 3946270233452

Bases of 21439740971446

• Binary: 100110111111111010100001001010000100110110110₂
• Hexadecimal: 0x137FD42509B6
• Base-36: 7LLA47STY

Squares and roots of 21439740971446

• 21439740971446 squared (21439740971446²) is 459662492922700271787330916
• 21439740971446 cubed (21439740971446³) is 9855044782551824024835198359717309024536
• The square root of 21439740971446 is 4630306.7902079663
• The cube root of 21439740971446 is 27780.4863540647

Scales and comparisons

• 21,439,740,971,446 seconds is equal to 681,717 years, 23 weeks, 1 day, 3 hours, 10 minutes, 46 seconds.
• To count from 1 to 21,439,740,971,446 would take you about one million, seven hundred four thousand, two hundred ninety-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 21439740971446 cubic inches would be around 2315 feet tall.

Recreational maths with 21439740971446

• 21439740971446 backwards is 64417904793412
• The number of decimal digits it has is: 14
• The sum of 21439740971446's digits is 61
• More coming soon!