# 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!