# 7142

## 7,142 is an even composite number composed of two prime numbers multiplied together.

What does the number 7142 look like?

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

7142 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 7142:

### 2 × 3571

See below for interesting mathematical facts about the number 7142 from the Numbermatics database.

### Names of 7142

• Cardinal: 7142 can be written as Seven thousand, one hundred forty-two.

### Scientific notation

• Scientific notation: 7.142 × 103

### Factors of 7142

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 3573

### Divisors of 7142

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 10716
• Sum of proper divisors (its aliquot sum) s(n): 3574
• 7142 is a deficient number, because the sum of its proper divisors (3574) is less than itself. Its deficiency is 3568

### Bases of 7142

• Binary: 11011111001102
• Base-36: 5IE

### Squares and roots of 7142

• 7142 squared (71422) is 51008164
• 7142 cubed (71423) is 364300307288
• The square root of 7142 is 84.5103543951
• The cube root of 7142 is 19.2577974821

### Scales and comparisons

How big is 7142?
• 7,142 seconds is equal to 1 hour, 59 minutes, 2 seconds.
• To count from 1 to 7,142 would take you about fifty-nine 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 7142 cubic inches would be around 1.6 feet tall.

### Recreational maths with 7142

• 7142 backwards is 2417
• The number of decimal digits it has is: 4
• The sum of 7142's digits is 14
• More coming soon!