64397315309

Names of 64397315309

• Cardinal: 64397315309 can be written as Sixty-four billion, three hundred ninety-seven million, three hundred fifteen thousand, three hundred nine.

Scientific notation

• Scientific notation: 6.4397315309 × 10¹⁰

Factors of 64397315309

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 2200050

Divisors of 64397315309

• Number of divisors d(n): 4
• Complete list of divisors:
  1 29671 2170379 64397315309
• Sum of all divisors σ(n): 64399515360
• Sum of proper divisors (its aliquot sum) s(n): 2200051
• 64397315309 is a deficient number, because the sum of its proper divisors (2200051) is less than itself. Its deficiency is 64395115258

Bases of 64397315309

• Binary: 111011111110011000010000110011101101₂
• Hexadecimal: 0xEFE610CED
• Base-36: TL0HYI5

Squares and roots of 64397315309

• 64397315309 squared (64397315309²) is 4147014219006765765481
• 64397315309 cubed (64397315309³) is 267056582252285075803986705048629
• The square root of 64397315309 is 253766.2611715749
• The cube root of 64397315309 is 4008.2603322563

Scales and comparisons

• 64,397,315,309 seconds is equal to 2,047 years, 33 weeks, 7 hours, 8 minutes, 29 seconds.
• To count from 1 to 64,397,315,309 would take you about four thousand and ninety-five 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 64397315309 cubic inches would be around 334 feet tall.

Recreational maths with 64397315309

• 64397315309 backwards is 90351379346
• The number of decimal digits it has is: 11
• The sum of 64397315309's digits is 50
• More coming soon!