408138807

Names of 408138807

• Cardinal: 408138807 can be written as Four hundred eight million, one hundred thirty-eight thousand, eight hundred seven.

Scientific notation

• Scientific notation: 4.08138807 × 10⁸

Factors of 408138807

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 136046272

Divisors of 408138807

• Number of divisors d(n): 4
• Complete list of divisors:
  1 3 136046269 408138807
• Sum of all divisors σ(n): 544185080
• Sum of proper divisors (its aliquot sum) s(n): 136046273
• 408138807 is a deficient number, because the sum of its proper divisors (136046273) is less than itself. Its deficiency is 272092534

Bases of 408138807

• Binary: 11000010100111011010000110111₂
• Hexadecimal: 0x1853B437
• Base-36: 6QZTX3

Squares and roots of 408138807

• 408138807 squared (408138807²) is 166577285779383249
• 408138807 cubed (408138807³) is 67986654691295544442643943
• The square root of 408138807 is 20202.4455697819
• The cube root of 408138807 is 741.7700547759

Scales and comparisons

• 408,138,807 seconds is equal to 12 years, 50 weeks, 5 days, 19 hours, 53 minutes, 27 seconds.
• To count from 1 to 408,138,807 would take you about nineteen 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 408138807 cubic inches would be around 61.8 feet tall.

Recreational maths with 408138807

• 408138807 backwards is 708831804
• The number of decimal digits it has is: 9
• The sum of 408138807's digits is 39
• More coming soon!