2986

Names of 2986

• Cardinal: 2986 can be written as Two thousand, nine hundred eighty-six.

Scientific notation

• Scientific notation: 2.986 × 10³

Factors of 2986

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 1495

Divisors of 2986

• Number of divisors d(n): 4
• Complete list of divisors:
  1 2 1493 2986
• Sum of all divisors σ(n): 4482
• Sum of proper divisors (its aliquot sum) s(n): 1496
• 2986 is a deficient number, because the sum of its proper divisors (1496) is less than itself. Its deficiency is 1490

Bases of 2986

• Binary: 101110101010₂
• Hexadecimal: 0xBAA
• Base-36: 2AY

Squares and roots of 2986

• 2986 squared (2986²) is 8916196
• 2986 cubed (2986³) is 26623761256
• The square root of 2986 is 54.6443043693
• The cube root of 2986 is 14.4000257203

Scales and comparisons

• 2,986 seconds is equal to 49 minutes, 46 seconds.
• To count from 1 to 2,986 would take you about forty-nine minutes.

  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 2986 cubic inches would be around 1.2 feet tall.

Recreational maths with 2986

• 2986 backwards is 6892
• The number of decimal digits it has is: 4
• The sum of 2986's digits is 25
• More coming soon!