# 2742

## 2,742 is an even composite number composed of three prime numbers multiplied together.

What does the number 2742 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 8 divisors.

2742 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eight divisors.

## Prime factorization of 2742:

### 2 × 3 × 457

See below for interesting mathematical facts about the number 2742 from the Numbermatics database.

### Names of 2742

• Cardinal: 2742 can be written as Two thousand, seven hundred forty-two.

### Scientific notation

• Scientific notation: 2.742 × 103

### Factors of 2742

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 462

### Divisors of 2742

• Number of divisors d(n): 8
• Complete list of divisors:
• Sum of all divisors σ(n): 5496
• Sum of proper divisors (its aliquot sum) s(n): 2754
• 2742 is an abundant number, because the sum of its proper divisors (2754) is greater than itself. Its abundance is 12

### Bases of 2742

• Binary: 1010101101102
• Base-36: 246

### Squares and roots of 2742

• 2742 squared (27422) is 7518564
• 2742 cubed (27423) is 20615902488
• The square root of 2742 is 52.3641098463
• The cube root of 2742 is 13.9965978127

### Scales and comparisons

How big is 2742?
• 2,742 seconds is equal to 45 minutes, 42 seconds.
• To count from 1 to 2,742 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 2742 cubic inches would be around 1.2 feet tall.

### Recreational maths with 2742

• 2742 backwards is 2472
• The number of decimal digits it has is: 4
• The sum of 2742's digits is 15
• More coming soon!