# 13860

## 13,860 is an even composite number composed of five prime numbers multiplied together.

What does the number 13860 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 72 divisors.

13860 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.

## Prime factorization of 13860:

### 22 × 32 × 5 × 7 × 11

(2 × 2 × 3 × 3 × 5 × 7 × 11)

See below for interesting mathematical facts about the number 13860 from the Numbermatics database.

### Names of 13860

• Cardinal: 13860 can be written as Thirteen thousand, eight hundred sixty.

### Scientific notation

• Scientific notation: 1.386 × 104

### Factors of 13860

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 28

### Divisors of 13860

• Number of divisors d(n): 72
• Complete list of divisors:
• Sum of all divisors σ(n): 52416
• Sum of proper divisors (its aliquot sum) s(n): 38556
• 13860 is an abundant number, because the sum of its proper divisors (38556) is greater than itself. Its abundance is 24696

### Bases of 13860

• Binary: 110110001001002
• Base-36: AP0

### Squares and roots of 13860

• 13860 squared (138602) is 192099600
• 13860 cubed (138603) is 2662500456000
• The square root of 13860 is 117.7285012221
• The cube root of 13860 is 24.0208152749

### Scales and comparisons

How big is 13860?
• 13,860 seconds is equal to 3 hours, 51 minutes.
• To count from 1 to 13,860 would take you about three 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 13860 cubic inches would be around 2 feet tall.

### Recreational maths with 13860

• 13860 backwards is 06831
• 13860 is a Harshad number.
• The number of decimal digits it has is: 5
• The sum of 13860's digits is 18
• More coming soon!