21427469082

Names of 21427469082

• Cardinal: 21427469082 can be written as Twenty-one billion, four hundred twenty-seven million, four hundred sixty-nine thousand and eighty-two.

Scientific notation

• Scientific notation: 2.1427469082 × 10¹⁰

Factors of 21427469082

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 56382

Divisors of 21427469082

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 9 18 27 37 54 74 111 191 222 333 382 573 666 999 1146 1719 1998 3438 5157 7067 10314 14134 21201 42402 56149 63603 112298 127206 168447 190809 336894 381618 505341 1010682 1516023 2077513 3032046 4155026 6232539 10724459 12465078 18697617 21448918 32173377 37395234 56092851 64346754 96520131 112185702 193040262 289560393 396804983 579120786 793609966 1190414949 2380829898 3571244847 7142489694 10713734541 21427469082
• Sum of all divisors σ(n): 49160448000
• Sum of proper divisors (its aliquot sum) s(n): 27732978918
• 21427469082 is an abundant number, because the sum of its proper divisors (27732978918) is greater than itself. Its abundance is 6305509836

Bases of 21427469082

• Binary: 10011111101001011010011101100011010₂
• Hexadecimal: 0x4FD2D3B1A
• Base-36: 9UDD0YI

Squares and roots of 21427469082

• 21427469082 squared (21427469082²) is 459136431260065922724
• 21427469082 cubed (21427469082³) is 9838131685244880860450311219368
• The square root of 21427469082 is 146381.2456635071
• The cube root of 21427469082 is 2777.5184919927

Scales and comparisons

• 21,427,469,082 seconds is equal to 681 years, 17 weeks, 2 hours, 44 minutes, 42 seconds.
• To count from 1 to 21,427,469,082 would take you about one thousand, three hundred sixty-two 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 21427469082 cubic inches would be around 231.5 feet tall.

Recreational maths with 21427469082

• 21427469082 backwards is 28096472412
• The number of decimal digits it has is: 11
• The sum of 21427469082's digits is 45
• More coming soon!