428887031

Names of 428887031

• Cardinal: 428887031 can be written as Four hundred twenty-eight million, eight hundred eighty-seven thousand and thirty-one.

Scientific notation

• Scientific notation: 4.28887031 × 10⁸

Factors of 428887031

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 9974160

Divisors of 428887031

• Number of divisors d(n): 4
• Complete list of divisors:
  1 43 9974117 428887031
• Sum of all divisors σ(n): 438861192
• Sum of proper divisors (its aliquot sum) s(n): 9974161
• 428887031 is a deficient number, because the sum of its proper divisors (9974161) is less than itself. Its deficiency is 418912870

Bases of 428887031

• Binary: 11001100100000100101111110111₂
• Hexadecimal: 0x19904BF7
• Base-36: 73CJCN

Squares and roots of 428887031

• 428887031 squared (428887031²) is 183944085359994961
• 428887031 cubed (428887031³) is 78891232640058804998250791
• The square root of 428887031 is 20709.5879002939
• The cube root of 428887031 is 754.1324661081

Scales and comparisons

• 428,887,031 seconds is equal to 13 years, 33 weeks, 23 hours, 17 minutes, 11 seconds.
• To count from 1 to 428,887,031 would take you about twenty years!

  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 428887031 cubic inches would be around 62.8 feet tall.

Recreational maths with 428887031

• 428887031 backwards is 130788824
• The number of decimal digits it has is: 9
• The sum of 428887031's digits is 41
• More coming soon!