13638534

Names of 13638534

• Cardinal: 13638534 can be written as Thirteen million, six hundred thirty-eight thousand, five hundred thirty-four.

Scientific notation

• Scientific notation: 1.3638534 × 10⁷

Factors of 13638534

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 25004

Divisors of 13638534

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 3 6 7 13 14 21 26 39 42 78 91 182 273 546 24979 49958 74937 149874 174853 324727 349706 524559 649454 974181 1049118 1948362 2273089 4546178 6819267 13638534
• Sum of all divisors σ(n): 33573120
• Sum of proper divisors (its aliquot sum) s(n): 19934586
• 13638534 is an abundant number, because the sum of its proper divisors (19934586) is greater than itself. Its abundance is 6296052

Bases of 13638534

• Binary: 110100000001101110000110₂
• Hexadecimal: 0xD01B86
• Base-36: 84BK6

Squares and roots of 13638534

• 13638534 squared (13638534²) is 186009609669156
• 13638534 cubed (13638534³) is 2536898385799512857304
• The square root of 13638534 is 3693.0385863135
• The cube root of 13638534 is 238.9218654155

Scales and comparisons

• 13,638,534 seconds is equal to 22 weeks, 3 days, 20 hours, 28 minutes, 54 seconds.
• To count from 1 to 13,638,534 would take you about thirty-three 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 13638534 cubic inches would be around 19.9 feet tall.

Recreational maths with 13638534

• 13638534 backwards is 43583631
• The number of decimal digits it has is: 8
• The sum of 13638534's digits is 33
• More coming soon!