# 2749

## 2,749 is a prime number. Like all primes greater than two, it is odd and has no factors apart from itself and one.

What does the number 2749 look like?

As a prime, it is not composed of any other numbers and has no internal structure.

2749 is a prime number. Like all primes (except two), it is an odd number.

## Prime factorization of 2749:

### 2749

See below for interesting mathematical facts about the number 2749 from the Numbermatics database.

### 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:
• 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
• 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

How big is 2749?
• 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!