3986830

Names of 3986830

• Cardinal: 3986830 can be written as Three million, nine hundred eighty-six thousand, eight hundred thirty.

Scientific notation

• Scientific notation: 3.98683 × 10⁶

Factors of 3986830

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 398690

Divisors of 3986830

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 5 10 398683 797366 1993415 3986830
• Sum of all divisors σ(n): 7176312
• Sum of proper divisors (its aliquot sum) s(n): 3189482
• 3986830 is a deficient number, because the sum of its proper divisors (3189482) is less than itself. Its deficiency is 797348

Bases of 3986830

• Binary: 1111001101010110001110₂
• Hexadecimal: 0x3CD58E
• Base-36: 2DG9A

Squares and roots of 3986830

• 3986830 squared (3986830²) is 15894813448900
• 3986830 cubed (3986830³) is 63369919102477987000
• The square root of 3986830 is 1996.7047853901
• The cube root of 3986830 is 158.5656963775

Scales and comparisons

• 3,986,830 seconds is equal to 6 weeks, 4 days, 3 hours, 27 minutes, 10 seconds.
• To count from 1 to 3,986,830 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 3986830 cubic inches would be around 13.2 feet tall.

Recreational maths with 3986830

• 3986830 backwards is 0386893
• The number of decimal digits it has is: 7
• The sum of 3986830's digits is 37
• More coming soon!