13858945992

Names of 13858945992

• Cardinal: 13858945992 can be written as Thirteen billion, eight hundred fifty-eight million, nine hundred forty-five thousand, nine hundred ninety-two.

Scientific notation

• Scientific notation: 1.3858945992 × 10¹⁰

Factors of 13858945992

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 231913

Divisors of 13858945992

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 277 554 831 1108 1662 2216 2493 3324 4986 6648 7479 9972 14958 19944 29916 59832 231631 463262 694893 926524 1389786 1853048 2084679 2779572 4169358 5559144 6254037 8338716 12508074 16677432 25016148 50032296 64161787 128323574 192485361 256647148 384970722 513294296 577456083 769941444 1154912166 1539882888 1732368249 2309824332 3464736498 4619648664 6929472996 13858945992
• Sum of all divisors σ(n): 38636217600
• Sum of proper divisors (its aliquot sum) s(n): 24777271608
• 13858945992 is an abundant number, because the sum of its proper divisors (24777271608) is greater than itself. Its abundance is 10918325616

Bases of 13858945992

• Binary: 1100111010000011101011101111001000₂
• Hexadecimal: 0x33A0EBBC8
• Base-36: 6D79B60

Squares and roots of 13858945992

• 13858945992 squared (13858945992²) is 192070384009172864064
• 13858945992 cubed (13858945992³) is 2661893078645827155654933631488
• The square root of 13858945992 is 117724.0247018425
• The cube root of 13858945992 is 2402.0206357855

Scales and comparisons

• 13,858,945,992 seconds is equal to 440 years, 34 weeks, 6 days, 11 hours, 13 minutes, 12 seconds.
• To count from 1 to 13,858,945,992 would take you about eight hundred eighty-one 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 13858945992 cubic inches would be around 200.2 feet tall.

Recreational maths with 13858945992

• 13858945992 backwards is 29954985831
• The number of decimal digits it has is: 11
• The sum of 13858945992's digits is 63
• More coming soon!