13161005

Names of 13161005

• Cardinal: 13161005 can be written as Thirteen million, one hundred sixty-one thousand and five.

Scientific notation

• Scientific notation: 1.3161005 × 10⁷

Factors of 13161005

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 341

Divisors of 13161005

• Number of divisors d(n): 32
• Complete list of divisors:
  1 5 11 13 55 65 79 143 233 395 715 869 1027 1165 2563 3029 4345 5135 11297 12815 15145 18407 33319 56485 92035 166595 202477 239291 1012385 1196455 2632201 13161005
• Sum of all divisors σ(n): 18869760
• Sum of proper divisors (its aliquot sum) s(n): 5708755
• 13161005 is a deficient number, because the sum of its proper divisors (5708755) is less than itself. Its deficiency is 7452250

Bases of 13161005

• Binary: 110010001101001000101101₂
• Hexadecimal: 0xC8D22D
• Base-36: 7U33H

Squares and roots of 13161005

• 13161005 squared (13161005²) is 173212052610025
• 13161005 cubed (13161005³) is 2279644690460802075125
• The square root of 13161005 is 3627.8099454079
• The cube root of 13161005 is 236.1001980449

Scales and comparisons

• 13,161,005 seconds is equal to 21 weeks, 5 days, 7 hours, 50 minutes, 5 seconds.
• To count from 1 to 13,161,005 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 13161005 cubic inches would be around 19.7 feet tall.

Recreational maths with 13161005

• 13161005 backwards is 50016131
• The number of decimal digits it has is: 8
• The sum of 13161005's digits is 17
• More coming soon!