21004460422

Names of 21004460422

• Cardinal: 21004460422 can be written as Twenty-one billion, four million, four hundred sixty thousand, four hundred twenty-two.

Scientific notation

• Scientific notation: 2.1004460422 × 10¹⁰

Factors of 21004460422

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 66

Divisors of 21004460422

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 11 22 53 106 121 242 583 1166 1331 2662 2809 5618 6413 12826 30899 61798 70543 141086 148877 297754 339889 679778 1637647 3275294 3738779 7477558 7890481 15780962 18014117 36028234 86795291 173590582 198155287 396310574 954748201 1909496402 10502230211 21004460422
• Sum of all divisors σ(n): 35321434632
• Sum of proper divisors (its aliquot sum) s(n): 14316974210
• 21004460422 is a deficient number, because the sum of its proper divisors (14316974210) is less than itself. Its deficiency is 6687486212

Bases of 21004460422

• Binary: 10011100011111101101010000110000110₂
• Hexadecimal: 0x4E3F6A186
• Base-36: 9NDIHDY

Squares and roots of 21004460422

• 21004460422 squared (21004460422²) is 441187357619364418084
• 21004460422 cubed (21004460422³) is 9266902391802700060440439071448
• The square root of 21004460422 is 144929.1565627841
• The cube root of 21004460422 is 2759.1194953483

Scales and comparisons

• 21,004,460,422 seconds is equal to 667 years, 45 weeks, 4 days, 4 hours, 20 minutes, 22 seconds.
• To count from 1 to 21,004,460,422 would take you about one thousand, three hundred thirty-five 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 21004460422 cubic inches would be around 229.9 feet tall.

Recreational maths with 21004460422

• 21004460422 backwards is 22406440012
• The number of decimal digits it has is: 11
• The sum of 21004460422's digits is 25
• More coming soon!