21460909568

Names of 21460909568

• Cardinal: 21460909568 can be written as Twenty-one billion, four hundred sixty million, nine hundred nine thousand, five hundred sixty-eight.

Scientific notation

• Scientific notation: 2.1460909568 × 10¹⁰

Factors of 21460909568

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 5987986

Divisors of 21460909568

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 56 64 112 128 224 256 448 512 896 1792 3584 5987977 11975954 23951908 41915839 47903816 83831678 95807632 167663356 191615264 335326712 383230528 670653424 766461056 1341306848 1532922112 2682613696 3065844224 5365227392 10730454784 21460909568
• Sum of all divisors σ(n): 49005611952
• Sum of proper divisors (its aliquot sum) s(n): 27544702384
• 21460909568 is an abundant number, because the sum of its proper divisors (27544702384) is greater than itself. Its abundance is 6083792816

Bases of 21460909568

• Binary: 10011111111001010110111111000000000₂
• Hexadecimal: 0x4FF2B7E00
• Base-36: 9UX9RSW

Squares and roots of 21460909568

• 21460909568 squared (21460909568²) is 460570639485873946624
• 21460909568 cubed (21460909568³) is 9884264843682270781944922898432
• The square root of 21460909568 is 146495.4250753245
• The cube root of 21460909568 is 2778.9626397143

Scales and comparisons

• 21,460,909,568 seconds is equal to 682 years, 20 weeks, 2 days, 3 hours, 46 minutes, 8 seconds.
• To count from 1 to 21,460,909,568 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 21460909568 cubic inches would be around 231.6 feet tall.

Recreational maths with 21460909568

• 21460909568 backwards is 86590906412
• The number of decimal digits it has is: 11
• The sum of 21460909568's digits is 50
• More coming soon!