3991198

Names of 3991198

• Cardinal: 3991198 can be written as Three million, nine hundred ninety-one thousand, one hundred ninety-eight.

Scientific notation

• Scientific notation: 3.991198 × 10⁶

Factors of 3991198

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 6362

Divisors of 3991198

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 331 662 6029 12058 1995599 3991198
• Sum of all divisors σ(n): 6005880
• Sum of proper divisors (its aliquot sum) s(n): 2014682
• 3991198 is a deficient number, because the sum of its proper divisors (2014682) is less than itself. Its deficiency is 1976516

Bases of 3991198

• Binary: 1111001110011010011110₂
• Hexadecimal: 0x3CE69E
• Base-36: 2DJMM

Squares and roots of 3991198

• 3991198 squared (3991198²) is 15929661475204
• 3991198 cubed (3991198³) is 63578433020511254392
• The square root of 3991198 is 1997.7982881161
• The cube root of 3991198 is 158.6235838193

Scales and comparisons

• 3,991,198 seconds is equal to 6 weeks, 4 days, 4 hours, 39 minutes, 58 seconds.
• To count from 1 to 3,991,198 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 3991198 cubic inches would be around 13.2 feet tall.

Recreational maths with 3991198

• 3991198 backwards is 8911993
• The number of decimal digits it has is: 7
• The sum of 3991198's digits is 40
• More coming soon!