21462040665

Names of 21462040665

• Cardinal: 21462040665 can be written as Twenty-one billion, four hundred sixty-two million, forty thousand, six hundred sixty-five.

Scientific notation

• Scientific notation: 2.1462040665 × 10¹⁰

Factors of 21462040665

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 694

Divisors of 21462040665

• Number of divisors d(n): 84
• Complete list of divisors:
  1 3 5 9 13 15 27 39 45 65 81 117 135 195 243 351 405 585 673 729 1053 1215 1755 2019 3159 3365 3645 5265 6057 8749 9477 10095 15795 18171 26247 30285 43745 47385 54513 78741 90855 131235 163539 236223 272565 393705 452929 490617 708669 817695 1181115 1358787 2126007 2264645 2453085 3543345 4076361 5888077 6378021 6793935 10630035 12229083 17664231 20381805 29440385 31890105 36687249 52992693 61145415 88321155 110061747 158978079 183436245 264963465 330185241 476934237 550308735 794890395 1430802711 1650926205 2384671185 4292408133 7154013555 21462040665
• Sum of all divisors σ(n): 41646198636
• Sum of proper divisors (its aliquot sum) s(n): 20184157971
• 21462040665 is a deficient number, because the sum of its proper divisors (20184157971) is less than itself. Its deficiency is 1277882694

Bases of 21462040665

• Binary: 10011111111001111001100000001011001₂
• Hexadecimal: 0x4FF3CC059
• Base-36: 9UXY0K9

Squares and roots of 21462040665

• 21462040665 squared (21462040665²) is 460619189506113642225
• 21462040665 cubed (21462040665³) is 9885827776259552255544211079625
• The square root of 21462040665 is 146499.2855443329
• The cube root of 21462040665 is 2779.0114605883

Scales and comparisons

• 21,462,040,665 seconds is equal to 682 years, 22 weeks, 1 day, 5 hours, 57 minutes, 45 seconds.
• To count from 1 to 21,462,040,665 would take you about one thousand, three hundred sixty-four 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 21462040665 cubic inches would be around 231.6 feet tall.

Recreational maths with 21462040665

• 21462040665 backwards is 56604026412
• The number of decimal digits it has is: 11
• The sum of 21462040665's digits is 36
• More coming soon!