# 139920

## 139,920 is an even composite number composed of five prime numbers multiplied together.

What does the number 139920 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 80 divisors.

139920 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of eighty divisors.

## Prime factorization of 139920:

### 24 × 3 × 5 × 11 × 53

(2 × 2 × 2 × 2 × 3 × 5 × 11 × 53)

See below for interesting mathematical facts about the number 139920 from the Numbermatics database.

### Names of 139920

• Cardinal: 139920 can be written as One hundred thirty-nine thousand, nine hundred twenty.

### Scientific notation

• Scientific notation: 1.3992 × 105

### Factors of 139920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 74

### Divisors of 139920

• Number of divisors d(n): 80
• Complete list of divisors:
• Sum of all divisors σ(n): 482112
• Sum of proper divisors (its aliquot sum) s(n): 342192
• 139920 is an abundant number, because the sum of its proper divisors (342192) is greater than itself. Its abundance is 202272

### Bases of 139920

• Binary: 1000100010100100002
• Base-36: 2ZYO

### Squares and roots of 139920

• 139920 squared (1399202) is 19577606400
• 139920 cubed (1399203) is 2739298687488000
• The square root of 139920 is 374.0588189041
• The cube root of 139920 is 51.9150486691

### Scales and comparisons

How big is 139920?
• 139,920 seconds is equal to 14 hours, 52 minutes.
• To count from 1 to 139,920 would take you about fourteen hours.

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 139920 cubic inches would be around 4.3 feet tall.

### Recreational maths with 139920

• 139920 backwards is 029931
• 139920 is a Harshad number.
• The number of decimal digits it has is: 6
• The sum of 139920's digits is 24
• More coming soon!