# 2740

## 2,740 is an even composite number composed of three prime numbers multiplied together.

What does the number 2740 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 12 divisors.

2740 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

## Prime factorization of 2740:

### 22 × 5 × 137

(2 × 2 × 5 × 137)

See below for interesting mathematical facts about the number 2740 from the Numbermatics database.

### Names of 2740

• Cardinal: 2740 can be written as Two thousand, seven hundred forty.

### Scientific notation

• Scientific notation: 2.74 × 103

### Factors of 2740

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 144

### Divisors of 2740

• Number of divisors d(n): 12
• Complete list of divisors:
• Sum of all divisors σ(n): 5796
• Sum of proper divisors (its aliquot sum) s(n): 3056
• 2740 is an abundant number, because the sum of its proper divisors (3056) is greater than itself. Its abundance is 316

### Bases of 2740

• Binary: 1010101101002
• Base-36: 244

### Squares and roots of 2740

• 2740 squared (27402) is 7507600
• 2740 cubed (27403) is 20570824000
• The square root of 2740 is 52.3450093133
• The cube root of 2740 is 13.9931939707

### Scales and comparisons

How big is 2740?
• 2,740 seconds is equal to 45 minutes, 40 seconds.
• To count from 1 to 2,740 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 2740 cubic inches would be around 1.2 feet tall.

### Recreational maths with 2740

• 2740 backwards is 0472
• The number of decimal digits it has is: 4
• The sum of 2740's digits is 13
• More coming soon!