13892397909

Names of 13892397909

• Cardinal: 13892397909 can be written as Thirteen billion, eight hundred ninety-two million, three hundred ninety-seven thousand, nine hundred nine.

Scientific notation

• Scientific notation: 1.3892397909 × 10¹⁰

Factors of 13892397909

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 261

Divisors of 13892397909

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 13 17 39 51 97 131 221 289 291 393 663 867 1261 1649 1703 2227 3757 3783 4947 5109 6681 9409 11271 12707 21437 28033 28227 28951 37859 38121 64311 84099 86853 113577 122317 159953 165191 216019 364429 366951 479859 492167 495573 648057 1093287 1232579 1476501 2079389 2719201 2808247 3672323 3697737 6238167 8157603 8424741 11016969 16023527 20953843 35349613 47740199 48070581 62861529 106048839 143220597 272399959 356215331 817199877 1068645993 4630799303 13892397909
• Sum of all divisors σ(n): 21574653408
• Sum of proper divisors (its aliquot sum) s(n): 7682255499
• 13892397909 is a deficient number, because the sum of its proper divisors (7682255499) is less than itself. Its deficiency is 6210142410

Bases of 13892397909

• Binary: 1100111100000011010010101101010101₂
• Hexadecimal: 0x33C0D2B55
• Base-36: 6DR6ATX

Squares and roots of 13892397909

• 13892397909 squared (13892397909²) is 192998719661987572281
• 13892397909 cubed (13892397909³) is 2681215009471873335940550760429
• The square root of 13892397909 is 117866.0167690417
• The cube root of 13892397909 is 2403.9517021095

Scales and comparisons

• 13,892,397,909 seconds is equal to 441 years, 38 weeks, 1 day, 15 hours, 25 minutes, 9 seconds.
• To count from 1 to 13,892,397,909 would take you about eight hundred eighty-three 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 13892397909 cubic inches would be around 200.3 feet tall.

Recreational maths with 13892397909

• 13892397909 backwards is 90979329831
• The number of decimal digits it has is: 11
• The sum of 13892397909's digits is 60
• More coming soon!