2749

Names of 2749

• Cardinal: 2749 can be written as Two thousand, seven hundred forty-nine.

Scientific notation

• Scientific notation: 2.749 × 10³

Factors of 2749

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 2749

Divisors of 2749

• Number of divisors d(n): 2
• Complete list of divisors:
  1 2749
• Sum of all divisors σ(n): 2750
• Sum of proper divisors (its aliquot sum) s(n): 1
• 2749 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 2748

Bases of 2749

• Binary: 101010111101₂
• Hexadecimal: 0xABD
• Base-36: 24D

Squares and roots of 2749

• 2749 squared (2749²) is 7557001
• 2749 cubed (2749³) is 20774195749
• The square root of 2749 is 52.4309069157
• The cube root of 2749 is 14.0084982417

Scales and comparisons

• 2,749 seconds is equal to 45 minutes, 49 seconds.
• To count from 1 to 2,749 would take you about forty-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 2749 cubic inches would be around 1.2 feet tall.

Recreational maths with 2749

• 2749 backwards is 9472
• The number of decimal digits it has is: 4
• The sum of 2749's digits is 22
• More coming soon!