# 158720

## 158,720 is an even composite number composed of three prime numbers multiplied together.

What does the number 158720 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 44 divisors.

158720 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of forty-four divisors.

## Prime factorization of 158720:

### 210 × 5 × 31

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 31)

See below for interesting mathematical facts about the number 158720 from the Numbermatics database.

### Names of 158720

• Cardinal: 158720 can be written as One hundred fifty-eight thousand, seven hundred twenty.

### Scientific notation

• Scientific notation: 1.5872 × 105

### Factors of 158720

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 38

### Divisors of 158720

• Number of divisors d(n): 44
• Complete list of divisors:
• Sum of all divisors σ(n): 393024
• Sum of proper divisors (its aliquot sum) s(n): 234304
• 158720 is an abundant number, because the sum of its proper divisors (234304) is greater than itself. Its abundance is 75584

### Bases of 158720

• Binary: 1001101100000000002
• Base-36: 3EGW

### Squares and roots of 158720

• 158720 squared (1587202) is 25192038400
• 158720 cubed (1587203) is 3998480334848000
• The square root of 158720 is 398.3967871357
• The cube root of 158720 is 54.1431956169

### Scales and comparisons

How big is 158720?
• 158,720 seconds is equal to 1 day, 20 hours, 5 minutes, 20 seconds.
• To count from 1 to 158,720 would take you about twenty 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 158720 cubic inches would be around 4.5 feet tall.

### Recreational maths with 158720

• 158720 backwards is 027851
• The number of decimal digits it has is: 6
• The sum of 158720's digits is 23
• More coming soon!