# 142

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

What does the number 142 look like?

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

142 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 142:

### 2 × 71

See below for interesting mathematical facts about the number 142 from the Numbermatics database.

### Names of 142

• Cardinal: 142 can be written as One hundred forty-two.

### Scientific notation

• Scientific notation: 1.42 × 102

### Factors of 142

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 73

### Divisors of 142

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 216
• Sum of proper divisors (its aliquot sum) s(n): 74
• 142 is a deficient number, because the sum of its proper divisors (74) is less than itself. Its deficiency is 68

### Bases of 142

• Binary: 100011102
• Base-36: 3Y

### Squares and roots of 142

• 142 squared (1422) is 20164
• 142 cubed (1423) is 2863288
• The square root of 142 is 11.9163752879
• The cube root of 142 is 5.2171034461

### Scales and comparisons

How big is 142?
• 142 seconds is equal to 2 minutes, 22 seconds.
• To count from 1 to 142 would take you about eleven seconds.

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 142 cubic inches would be around 0.4 feet tall.

### Recreational maths with 142

• 142 backwards is 241
• The number of decimal digits it has is: 3
• The sum of 142's digits is 7
• More coming soon!