3981490

Names of 3981490

• Cardinal: 3981490 can be written as Three million, nine hundred eighty-one thousand, four hundred ninety.

Scientific notation

• Scientific notation: 3.98149 × 10⁶

Factors of 3981490

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 398156

Divisors of 3981490

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 5 10 398149 796298 1990745 3981490
• Sum of all divisors σ(n): 7166700
• Sum of proper divisors (its aliquot sum) s(n): 3185210
• 3981490 is a deficient number, because the sum of its proper divisors (3185210) is less than itself. Its deficiency is 796280

Bases of 3981490

• Binary: 1111001100000010110010₂
• Hexadecimal: 0x3CC0B2
• Base-36: 2DC4Y

Squares and roots of 3981490

• 3981490 squared (3981490²) is 15852262620100
• 3981490 cubed (3981490³) is 63115625099301949000
• The square root of 3981490 is 1995.3671341385
• The cube root of 3981490 is 158.4948699191

Scales and comparisons

• 3,981,490 seconds is equal to 6 weeks, 4 days, 1 hour, 58 minutes, 10 seconds.
• To count from 1 to 3,981,490 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 3981490 cubic inches would be around 13.2 feet tall.

Recreational maths with 3981490

• 3981490 backwards is 0941893
• The number of decimal digits it has is: 7
• The sum of 3981490's digits is 34
• More coming soon!