21043991462

Names of 21043991462

• Cardinal: 21043991462 can be written as Twenty-one billion, forty-three million, nine hundred ninety-one thousand, four hundred sixty-two.

Scientific notation

• Scientific notation: 2.1043991462 × 10¹⁰

Factors of 21043991462

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 100

Divisors of 21043991462

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 13 19 26 29 37 38 58 74 247 377 481 494 551 703 754 841 962 1073 1102 1369 1406 1682 2146 2738 7163 9139 10933 13949 14326 15979 17797 18278 20387 21866 26011 27898 31117 31958 35594 39701 40774 50653 52022 62234 79402 101306 207727 265031 338143 404521 415454 516113 530062 591223 658489 676286 754319 809042 962407 1032226 1151329 1182446 1316978 1468937 1508638 1924814 2302658 2937874 7685899 9806147 12511291 14967277 15371798 19096181 19612294 21875251 25022582 27909803 29934554 38192362 42599173 43750502 55819606 85198346 284378263 362827439 553789249 568756526 725654878 809384287 1107578498 1618768574 10521995731 21043991462
• Sum of all divisors σ(n): 38089178400
• Sum of proper divisors (its aliquot sum) s(n): 17045186938
• 21043991462 is a deficient number, because the sum of its proper divisors (17045186938) is less than itself. Its deficiency is 3998804524

Bases of 21043991462

• Binary: 10011100110010100011101001110100110₂
• Hexadecimal: 0x4E651D3A6
• Base-36: 9O11RQE

Squares and roots of 21043991462

• 21043991462 squared (21043991462²) is 442849576652728897444
• 21043991462 cubed (21043991462³) is 9319322710030341456812209623128
• The square root of 21043991462 is 145065.4730182203
• The cube root of 21043991462 is 2760.8493264969

Scales and comparisons

• 21,043,991,462 seconds is equal to 669 years, 6 weeks, 6 days, 17 hours, 11 minutes, 2 seconds.
• To count from 1 to 21,043,991,462 would take you about one thousand, three hundred thirty-eight 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 21043991462 cubic inches would be around 230.1 feet tall.

Recreational maths with 21043991462

• 21043991462 backwards is 26419934012
• The number of decimal digits it has is: 11
• The sum of 21043991462's digits is 41
• More coming soon!