# 1142

## 1,142 is an even composite number composed of two prime numbers multiplied together.

What does the number 1142 look like?

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

1142 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 1142:

### 2 × 571

See below for interesting mathematical facts about the number 1142 from the Numbermatics database.

### Names of 1142

• Cardinal: 1142 can be written as One thousand, one hundred forty-two.

### Scientific notation

• Scientific notation: 1.142 × 103

### Factors of 1142

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 573

### Divisors of 1142

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 1716
• Sum of proper divisors (its aliquot sum) s(n): 574
• 1142 is a deficient number, because the sum of its proper divisors (574) is less than itself. Its deficiency is 568

### Bases of 1142

• Binary: 100011101102
• Base-36: VQ

### Squares and roots of 1142

• 1142 squared (11422) is 1304164
• 1142 cubed (11423) is 1489355288
• The square root of 1142 is 33.7934904973
• The cube root of 1142 is 10.4525447279

### Scales and comparisons

How big is 1142?
• 1,142 seconds is equal to 19 minutes, 2 seconds.
• To count from 1 to 1,142 would take you about nineteen 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 1142 cubic inches would be around 0.9 feet tall.

### Recreational maths with 1142

• 1142 backwards is 2411
• The number of decimal digits it has is: 4
• The sum of 1142's digits is 8
• More coming soon!

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The information we have on file for 1142 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!

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