490809857

Names of 490809857

• Cardinal: 490809857 can be written as Four hundred ninety million, eight hundred nine thousand, eight hundred fifty-seven.

Scientific notation

• Scientific notation: 4.90809857 × 10⁸

Factors of 490809857

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 270223

Divisors of 490809857

• Number of divisors d(n): 8
• Complete list of divisors:
  1 23 79 1817 270121 6212783 21339559 490809857
• Sum of all divisors σ(n): 518634240
• Sum of proper divisors (its aliquot sum) s(n): 27824383
• 490809857 is a deficient number, because the sum of its proper divisors (27824383) is less than itself. Its deficiency is 462985474

Bases of 490809857

• Binary: 11101010000010010101000000001₂
• Hexadecimal: 0x1D412A01
• Base-36: 847RB5

Squares and roots of 490809857

• 490809857 squared (490809857²) is 240894315728360449
• 490809857 cubed (490809857³) is 118233304654749442818145793
• The square root of 490809857 is 22154.2288739645
• The cube root of 490809857 is 788.8076104505

Scales and comparisons

• 490,809,857 seconds is equal to 15 years, 31 weeks, 3 days, 16 hours, 4 minutes, 17 seconds.
• To count from 1 to 490,809,857 would take you about twenty-three 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 490809857 cubic inches would be around 65.7 feet tall.

Recreational maths with 490809857

• 490809857 backwards is 758908094
• The number of decimal digits it has is: 9
• The sum of 490809857's digits is 50
• More coming soon!