13857449928

Names of 13857449928

• Cardinal: 13857449928 can be written as Thirteen billion, eight hundred fifty-seven million, four hundred forty-nine thousand, nine hundred twenty-eight.

Scientific notation

• Scientific notation: 1.3857449928 × 10¹⁰

Factors of 13857449928

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 76982

Divisors of 13857449928

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 1087 2174 3261 4348 6522 7609 8696 13044 15218 22827 26088 30436 45654 60872 75883 91308 151766 182616 227649 303532 455298 531181 607064 910596 1062362 1593543 1821192 2124724 3187086 4249448 6374172 12748344 82484821 164969642 247454463 329939284 494908926 577393747 659878568 989817852 1154787494 1732181241 1979635704 2309574988 3464362482 4619149976 6928724964 13857449928
• Sum of all divisors σ(n): 39629660160
• Sum of proper divisors (its aliquot sum) s(n): 25772210232
• 13857449928 is an abundant number, because the sum of its proper divisors (25772210232) is greater than itself. Its abundance is 11914760304

Bases of 13857449928

• Binary: 1100111001111101111110011111001000₂
• Hexadecimal: 0x339F7E7C8
• Base-36: 6D6D8SO

Squares and roots of 13857449928

• 13857449928 squared (13857449928²) is 192028918507027205184
• 13857449928 cubed (13857449928³) is 2661031122939122011971062026752
• The square root of 13857449928 is 117717.6704152779
• The cube root of 13857449928 is 2401.9342004987

Scales and comparisons

• 13,857,449,928 seconds is equal to 440 years, 32 weeks, 3 days, 3 hours, 38 minutes, 48 seconds.
• To count from 1 to 13,857,449,928 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 13857449928 cubic inches would be around 200.2 feet tall.

Recreational maths with 13857449928

• 13857449928 backwards is 82994475831
• The number of decimal digits it has is: 11
• The sum of 13857449928's digits is 60
• More coming soon!