15550225

Names of 15550225

• Cardinal: 15550225 can be written as Fifteen million, five hundred fifty thousand, two hundred twenty-five.

Scientific notation

• Scientific notation: 1.5550225 × 10⁷

Factors of 15550225

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 622014

Divisors of 15550225

• Number of divisors d(n): 6
• Complete list of divisors:
  1 5 25 622009 3110045 15550225
• Sum of all divisors σ(n): 19282310
• Sum of proper divisors (its aliquot sum) s(n): 3732085
• 15550225 is a deficient number, because the sum of its proper divisors (3732085) is less than itself. Its deficiency is 11818140

Bases of 15550225

• Binary: 111011010100011100010001₂
• Hexadecimal: 0xED4711
• Base-36: 99AMP

Squares and roots of 15550225

• 15550225 squared (15550225²) is 241809497550625
• 15550225 cubed (15550225³) is 3760192094049167640625
• The square root of 15550225 is 3943.3773595739
• The cube root of 15550225 is 249.6005621375

Scales and comparisons

• 15,550,225 seconds is equal to 25 weeks, 4 days, 23 hours, 30 minutes, 25 seconds.
• To count from 1 to 15,550,225 would take you about thirty-eight 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 15550225 cubic inches would be around 20.8 feet tall.

Recreational maths with 15550225

• 15550225 backwards is 52205551
• 15550225 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 15550225's digits is 25
• More coming soon!