4067890021

Names of 4067890021

• Cardinal: 4067890021 can be written as Four billion, sixty-seven million, eight hundred ninety thousand and twenty-one.

Scientific notation

• Scientific notation: 4.067890021 × 10⁹

Factors of 4067890021

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 312914630

Divisors of 4067890021

• Number of divisors d(n): 4
• Complete list of divisors:
  1 13 312914617 4067890021
• Sum of all divisors σ(n): 4380804652
• Sum of proper divisors (its aliquot sum) s(n): 312914631
• 4067890021 is a deficient number, because the sum of its proper divisors (312914631) is less than itself. Its deficiency is 3754975390

Bases of 4067890021

• Binary: 11110010011101110001001101100101₂
• Hexadecimal: 0xF2771365
• Base-36: 1V9X011

Squares and roots of 4067890021

• 4067890021 squared (4067890021²) is 16547729222951380441
• 4067890021 cubed (4067890021³) is 67314342576254004664118479261
• The square root of 4067890021 is 63780.0127077443
• The cube root of 4067890021 is 1596.3314414617

Scales and comparisons

• 4,067,890,021 seconds is equal to 129 years, 18 weeks, 1 hour, 27 minutes, 1 second.
• To count from 1 to 4,067,890,021 would take you about two hundred fifty-eight 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 4067890021 cubic inches would be around 133 feet tall.

Recreational maths with 4067890021

• 4067890021 backwards is 1200987604
• The number of decimal digits it has is: 10
• The sum of 4067890021's digits is 37
• More coming soon!