12421331920881

Names of 12421331920881

• Cardinal: 12421331920881 can be written as Twelve trillion, four hundred twenty-one billion, three hundred thirty-one million, nine hundred twenty thousand, eight hundred eighty-one.

Scientific notation

• Scientific notation: 1.2421331920881 × 10¹³

Factors of 12421331920881

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 3363

Divisors of 12421331920881

• Number of divisors d(n): 81
• Complete list of divisors:
  1 3 9 13 27 39 81 117 169 243 351 507 729 1053 1521 2187 3159 3347 4563 6561 9477 10041 13689 28431 30123 41067 43511 85293 90369 123201 130533 271107 369603 391599 565643 813321 1108809 1174797 1696929 2439963 3524391 5090787 7319889 10573173 11202409 15272361 21959667 31719519 33607227 45817083 95158557 100821681 137451249 145631317 285475671 302465043 412353747 436893951 907395129 1237061241 1310681853 1893207121 2722185387 3711183723 3932045559 5679621363 8166556161 11796136677 17038864089 24499668483 35388410031 51116592267 73499005449 106165230093 153349776801 318495690279 460049330403 955487070837 1380147991209 4140443973627 12421331920881
• Sum of all divisors σ(n): 20180481398571
• Sum of proper divisors (its aliquot sum) s(n): 7759149477690
• 12421331920881 is a deficient number, because the sum of its proper divisors (7759149477690) is less than itself. Its deficiency is 4662182443191

Bases of 12421331920881

• Binary: 10110100110000010001000100111010011111110001₂
• Hexadecimal: 0xB4C1113A7F1
• Base-36: 4EIA4BE29

Squares and roots of 12421331920881

• 12421331920881 squared (12421331920881²) is 154289486688697273243816161
• 12421331920881 cubed (12421331920881³) is 1916480926062659581133117920968961157841
• 12421331920881 is a perfect square number. Its square root is 3524391
• The cube root of 12421331920881 is 23159.1556915723

Scales and comparisons

• 12,421,331,920,881 seconds is equal to 394,959 years, 48 weeks, 3 days, 18 hours, 1 minute, 21 seconds.
• To count from 1 to 12,421,331,920,881 would take you about nine hundred eighty-seven thousand, three 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 12421331920881 cubic inches would be around 1929.9 feet tall.

Recreational maths with 12421331920881

• 12421331920881 backwards is 18802913312421
• The number of decimal digits it has is: 14
• The sum of 12421331920881's digits is 45
• More coming soon!