# 25139

## 25,139 is an odd composite number composed of two prime numbers multiplied together.

What does the number 25139 look like?

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

25139 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

## Prime factorization of 25139:

### 23 × 1093

See below for interesting mathematical facts about the number 25139 from the Numbermatics database.

### Names of 25139

• Cardinal: 25139 can be written as Twenty-five thousand, one hundred thirty-nine.

### Scientific notation

• Scientific notation: 2.5139 × 104

### Factors of 25139

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 1116

### Divisors of 25139

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 26256
• Sum of proper divisors (its aliquot sum) s(n): 1117
• 25139 is a deficient number, because the sum of its proper divisors (1117) is less than itself. Its deficiency is 24022

### Bases of 25139

• Binary: 1100010001100112
• Base-36: JEB

### Squares and roots of 25139

• 25139 squared (251392) is 631969321
• 25139 cubed (251393) is 15887076760619
• The square root of 25139 is 158.5528303121
• The cube root of 25139 is 29.2942690511

### Scales and comparisons

How big is 25139?
• 25,139 seconds is equal to 6 hours, 58 minutes, 59 seconds.
• To count from 1 to 25,139 would take you about six 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 25139 cubic inches would be around 2.4 feet tall.

### Recreational maths with 25139

• 25139 backwards is 93152
• The number of decimal digits it has is: 5
• The sum of 25139's digits is 20
• More coming soon!