13220495

Names of 13220495

• Cardinal: 13220495 can be written as Thirteen million, two hundred twenty thousand, four hundred ninety-five.

Scientific notation

• Scientific notation: 1.3220495 × 10⁷

Factors of 13220495

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 4369

Divisors of 13220495

• Number of divisors d(n): 8
• Complete list of divisors:
  1 5 727 3635 3637 18185 2644099 13220495
• Sum of all divisors σ(n): 15890784
• Sum of proper divisors (its aliquot sum) s(n): 2670289
• 13220495 is a deficient number, because the sum of its proper divisors (2670289) is less than itself. Its deficiency is 10550206

Bases of 13220495

• Binary: 110010011011101010001111₂
• Hexadecimal: 0xC9BA8F
• Base-36: 7VCZZ

Squares and roots of 13220495

• 13220495 squared (13220495²) is 174781488045025
• 13220495 cubed (13220495³) is 2310697788791812787375
• The square root of 13220495 is 3635.9998624863
• The cube root of 13220495 is 236.4554011853

Scales and comparisons

• 13,220,495 seconds is equal to 21 weeks, 6 days, 21 minutes, 35 seconds.
• To count from 1 to 13,220,495 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 13220495 cubic inches would be around 19.7 feet tall.

Recreational maths with 13220495

• 13220495 backwards is 59402231
• The number of decimal digits it has is: 8
• The sum of 13220495's digits is 26
• More coming soon!