2149

Names of 2149

• Cardinal: 2149 can be written as Two thousand, one hundred forty-nine.

Scientific notation

• Scientific notation: 2.149 × 10³

Factors of 2149

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 314

Divisors of 2149

• Number of divisors d(n): 4
• Complete list of divisors:
  1 7 307 2149
• Sum of all divisors σ(n): 2464
• Sum of proper divisors (its aliquot sum) s(n): 315
• 2149 is a deficient number, because the sum of its proper divisors (315) is less than itself. Its deficiency is 1834

Bases of 2149

• Binary: 100001100101₂
• Hexadecimal: 0x865
• Base-36: 1NP

Squares and roots of 2149

• 2149 squared (2149²) is 4618201
• 2149 cubed (2149³) is 9924513949
• The square root of 2149 is 46.3573079459
• The cube root of 2149 is 12.9046274687

Scales and comparisons

• 2,149 seconds is equal to 35 minutes, 49 seconds.
• To count from 1 to 2,149 would take you about thirty-five 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 2149 cubic inches would be around 1.1 feet tall.

Recreational maths with 2149

• 2149 backwards is 9412
• The number of decimal digits it has is: 4
• The sum of 2149's digits is 16
• More coming soon!