664020025

Names of 664020025

• Cardinal: 664020025 can be written as Six hundred sixty-four million, twenty thousand and twenty-five.

Scientific notation

• Scientific notation: 6.64020025 × 10⁸

Factors of 664020025

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 26560806

Divisors of 664020025

• Number of divisors d(n): 6
• Complete list of divisors:
  1 5 25 26560801 132804005 664020025
• Sum of all divisors σ(n): 823384862
• Sum of proper divisors (its aliquot sum) s(n): 159364837
• 664020025 is a deficient number, because the sum of its proper divisors (159364837) is less than itself. Its deficiency is 504655188

Bases of 664020025

• Binary: 100111100101000010010000111001₂
• Hexadecimal: 0x27942439
• Base-36: AZC94P

Squares and roots of 664020025

• 664020025 squared (664020025²) is 440922593601000625
• 664020025 cubed (664020025³) is 292781431626001275037515625
• The square root of 664020025 is 25768.5860108777
• The cube root of 664020025 is 872.4229043299

Scales and comparisons

• 664,020,025 seconds is equal to 21 years, 5 weeks, 6 days, 10 hours, 25 seconds.
• To count from 1 to 664,020,025 would take you about thirty-one 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 664020025 cubic inches would be around 72.7 feet tall.

Recreational maths with 664020025

• 664020025 backwards is 520020466
• 664020025 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 664020025's digits is 25
• More coming soon!