3978808

Names of 3978808

• Cardinal: 3978808 can be written as Three million, nine hundred seventy-eight thousand, eight hundred eight.

Scientific notation

• Scientific notation: 3.978808 × 10⁶

Factors of 3978808

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 497353

Divisors of 3978808

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 4 8 497351 994702 1989404 3978808
• Sum of all divisors σ(n): 7460280
• Sum of proper divisors (its aliquot sum) s(n): 3481472
• 3978808 is a deficient number, because the sum of its proper divisors (3481472) is less than itself. Its deficiency is 497336

Bases of 3978808

• Binary: 1111001011011000111000₂
• Hexadecimal: 0x3CB638
• Base-36: 2DA2G

Squares and roots of 3978808

• 3978808 squared (3978808²) is 15830913100864
• 3978808 cubed (3978808³) is 62988163693022490112
• The square root of 3978808 is 1994.6949641487
• The cube root of 3978808 is 158.4592736371

Scales and comparisons

• 3,978,808 seconds is equal to 6 weeks, 4 days, 1 hour, 13 minutes, 28 seconds.
• To count from 1 to 3,978,808 would take you about nine weeks!

  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 3978808 cubic inches would be around 13.2 feet tall.

Recreational maths with 3978808

• 3978808 backwards is 8088793
• The number of decimal digits it has is: 7
• The sum of 3978808's digits is 43
• More coming soon!