# 162

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

What does the number 162 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 10 divisors.

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

## Prime factorization of 162:

### 2 × 34

(2 × 3 × 3 × 3 × 3)

See below for interesting mathematical facts about the number 162 from the Numbermatics database.

### Names of 162

• Cardinal: 162 can be written as One hundred sixty-two.

### Scientific notation

• Scientific notation: 1.62 × 102

### Factors of 162

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 5

### Divisors of 162

• Number of divisors d(n): 10
• Complete list of divisors:
• Sum of all divisors σ(n): 363
• Sum of proper divisors (its aliquot sum) s(n): 201
• 162 is an abundant number, because the sum of its proper divisors (201) is greater than itself. Its abundance is 39

### Bases of 162

• Binary: 101000102
• Base-36: 4I

### Squares and roots of 162

• 162 squared (1622) is 26244
• 162 cubed (1623) is 4251528
• The square root of 162 is 12.7279220613
• The cube root of 162 is 5.4513617785

### Scales and comparisons

How big is 162?
• 162 seconds is equal to 2 minutes, 42 seconds.
• To count from 1 to 162 would take you about twenty-one 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 162 cubic inches would be around 0.5 feet tall.

### Recreational maths with 162

• 162 backwards is 261
• 162 is a Harshad number.
• The number of decimal digits it has is: 3
• The sum of 162's digits is 9
• More coming soon!