640412027

Names of 640412027

• Cardinal: 640412027 can be written as Six hundred forty million, four hundred twelve thousand and twenty-seven.

Scientific notation

• Scientific notation: 6.40412027 × 10⁸

Factors of 640412027

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 640412027

Divisors of 640412027

• Number of divisors d(n): 2
• Complete list of divisors:
  1 640412027
• Sum of all divisors σ(n): 640412028
• Sum of proper divisors (its aliquot sum) s(n): 1
• 640412027 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 640412026

Bases of 640412027

• Binary: 100110001010111110100101111011₂
• Hexadecimal: 0x262BE97B
• Base-36: ALA92Z

Squares and roots of 640412027

• 640412027 squared (640412027²) is 410127564326248729
• 640412027 cubed (640412027³) is 262650624798745837845063683
• The square root of 640412027 is 25306.3633697139
• The cube root of 640412027 is 861.9587707701

Scales and comparisons

• 640,412,027 seconds is equal to 20 years, 18 weeks, 6 days, 4 hours, 13 minutes, 47 seconds.
• To count from 1 to 640,412,027 would take you about thirty 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 640412027 cubic inches would be around 71.8 feet tall.

Recreational maths with 640412027

• 640412027 backwards is 720214046
• The number of decimal digits it has is: 9
• The sum of 640412027's digits is 26
• More coming soon!