13139295

Names of 13139295

• Cardinal: 13139295 can be written as Thirteen million, one hundred thirty-nine thousand, two hundred ninety-five.

Scientific notation

• Scientific notation: 1.3139295 × 10⁷

Factors of 13139295

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 1631

Divisors of 13139295

• Number of divisors d(n): 32
• Complete list of divisors:
  1 3 5 13 15 39 43 65 129 195 215 559 645 1567 1677 2795 4701 7835 8385 20371 23505 61113 67381 101855 202143 305565 336905 875953 1010715 2627859 4379765 13139295
• Sum of all divisors σ(n): 23181312
• Sum of proper divisors (its aliquot sum) s(n): 10042017
• 13139295 is a deficient number, because the sum of its proper divisors (10042017) is less than itself. Its deficiency is 3097278

Bases of 13139295

• Binary: 110010000111110101011111₂
• Hexadecimal: 0xC87D5F
• Base-36: 7TMCF

Squares and roots of 13139295

• 13139295 squared (13139295²) is 172641073097025
• 13139295 cubed (13139295³) is 2268381988538375097375
• The square root of 13139295 is 3624.8165470821
• The cube root of 13139295 is 235.9703053225

Scales and comparisons

• 13,139,295 seconds is equal to 21 weeks, 5 days, 1 hour, 48 minutes, 15 seconds.
• To count from 1 to 13,139,295 would take you about thirty-two weeks!

  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 13139295 cubic inches would be around 19.7 feet tall.

Recreational maths with 13139295

• 13139295 backwards is 59293131
• The number of decimal digits it has is: 8
• The sum of 13139295's digits is 33
• More coming soon!