13155545

Names of 13155545

• Cardinal: 13155545 can be written as Thirteen million, one hundred fifty-five thousand, five hundred forty-five.

Scientific notation

• Scientific notation: 1.3155545 × 10⁷

Factors of 13155545

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 202411

Divisors of 13155545

• Number of divisors d(n): 8
• Complete list of divisors:
  1 5 13 65 202393 1011965 2631109 13155545
• Sum of all divisors σ(n): 17001096
• Sum of proper divisors (its aliquot sum) s(n): 3845551
• 13155545 is a deficient number, because the sum of its proper divisors (3845551) is less than itself. Its deficiency is 9309994

Bases of 13155545

• Binary: 110010001011110011011001₂
• Hexadecimal: 0xC8BCD9
• Base-36: 7TYVT

Squares and roots of 13155545

• 13155545 squared (13155545²) is 173068364247025
• 13155545 cubed (13155545³) is 2276808653928128503625
• The square root of 13155545 is 3627.0573472169
• The cube root of 13155545 is 236.0675438671

Scales and comparisons

• 13,155,545 seconds is equal to 21 weeks, 5 days, 6 hours, 19 minutes, 5 seconds.
• To count from 1 to 13,155,545 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 13155545 cubic inches would be around 19.7 feet tall.

Recreational maths with 13155545

• 13155545 backwards is 54555131
• The number of decimal digits it has is: 8
• The sum of 13155545's digits is 29
• More coming soon!