21040503016

Names of 21040503016

• Cardinal: 21040503016 can be written as Twenty-one billion, forty million, five hundred three thousand and sixteen.

Scientific notation

• Scientific notation: 2.1040503016 × 10¹⁰

Factors of 21040503016

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 26530

Divisors of 21040503016

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 8 13 17 26 34 52 68 104 136 221 442 457 884 914 1768 1828 3656 5941 7769 11882 15538 23764 26041 31076 47528 52082 62152 100997 104164 201994 208328 338533 403988 442697 677066 807976 885394 1354132 1770788 2708264 3541576 5755061 11510122 11900737 23020244 23801474 46040488 47602948 95205896 154709581 202312529 309419162 404625058 618838324 809250116 1237676648 1618500232 2630062877 5260125754 10520251508 21040503016
• Sum of all divisors σ(n): 45084952080
• Sum of proper divisors (its aliquot sum) s(n): 24044449064
• 21040503016 is an abundant number, because the sum of its proper divisors (24044449064) is greater than itself. Its abundance is 3003946048

Bases of 21040503016

• Binary: 10011100110000111001001100011101000₂
• Hexadecimal: 0x4E61C98E8
• Base-36: 9NYZ014

Squares and roots of 21040503016

• 21040503016 squared (21040503016²) is 442702767166305096256
• 21040503016 cubed (21040503016³) is 9314688907754188151350538308096
• The square root of 21040503016 is 145053.4488249073
• The cube root of 21040503016 is 2760.6967634553

Scales and comparisons

• 21,040,503,016 seconds is equal to 669 years, 1 week, 1 day, 8 hours, 10 minutes, 16 seconds.
• To count from 1 to 21,040,503,016 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 21040503016 cubic inches would be around 230.1 feet tall.

Recreational maths with 21040503016

• 21040503016 backwards is 61030504012
• The number of decimal digits it has is: 11
• The sum of 21040503016's digits is 22
• More coming soon!