# 542

## 542 is an even composite number composed of two prime numbers multiplied together.

What does the number 542 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 4 divisors.

542 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

## Prime factorization of 542:

### 2 × 271

See below for interesting mathematical facts about the number 542 from the Numbermatics database.

### Names of 542

• Cardinal: 542 can be written as Five hundred forty-two.

### Scientific notation

• Scientific notation: 5.42 × 102

### Factors of 542

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 273

### Divisors of 542

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 816
• Sum of proper divisors (its aliquot sum) s(n): 274
• 542 is a deficient number, because the sum of its proper divisors (274) is less than itself. Its deficiency is 268

### Bases of 542

• Binary: 10000111102
• Base-36: F2

### Squares and roots of 542

• 542 squared (5422) is 293764
• 542 cubed (5423) is 159220088
• The square root of 542 is 23.2808934537
• The cube root of 542 is 8.1532938623

### Scales and comparisons

How big is 542?
• 542 seconds is equal to 9 minutes, 2 seconds.
• To count from 1 to 542 would take you about 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 542 cubic inches would be around 0.7 feet tall.

### Recreational maths with 542

• 542 backwards is 245
• The number of decimal digits it has is: 3
• The sum of 542's digits is 11
• More coming soon!