# 2647

## 2,647 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 2647 look like?

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

2647 is a prime number. Like all primes (except two), it is an odd number.

## Prime factorization of 2647:

### 2647

See below for interesting mathematical facts about the number 2647 from the Numbermatics database.

### Names of 2647

• Cardinal: 2647 can be written as Two thousand, six hundred forty-seven.

### Scientific notation

• Scientific notation: 2.647 × 103

### Factors of 2647

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 2647

### Divisors of 2647

• Number of divisors d(n): 2
• Complete list of divisors:
• Sum of all divisors σ(n): 2648
• Sum of proper divisors (its aliquot sum) s(n): 1
• 2647 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 2646

### Bases of 2647

• Binary: 1010010101112
• Base-36: 21J

### Squares and roots of 2647

• 2647 squared (26472) is 7006609
• 2647 cubed (26473) is 18546494023
• The square root of 2647 is 51.4490038777
• The cube root of 2647 is 13.8330510741

### Scales and comparisons

How big is 2647?
• 2,647 seconds is equal to 44 minutes, 7 seconds.
• To count from 1 to 2,647 would take you about forty-four 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 2647 cubic inches would be around 1.2 feet tall.

### Recreational maths with 2647

• 2647 backwards is 7462
• The number of decimal digits it has is: 4
• The sum of 2647's digits is 19
• More coming soon!