# 25138

## 25,138 is an even composite number composed of two prime numbers multiplied together.

What does the number 25138 look like?

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

25138 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

## Prime factorization of 25138:

### 2 × 12569

See below for interesting mathematical facts about the number 25138 from the Numbermatics database.

### Names of 25138

• Cardinal: 25138 can be written as Twenty-five thousand, one hundred thirty-eight.

### Scientific notation

• Scientific notation: 2.5138 × 104

### Factors of 25138

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 12571

### Divisors of 25138

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 37710
• Sum of proper divisors (its aliquot sum) s(n): 12572
• 25138 is a deficient number, because the sum of its proper divisors (12572) is less than itself. Its deficiency is 12566

### Bases of 25138

• Binary: 1100010001100102
• Base-36: JEA

### Squares and roots of 25138

• 25138 squared (251382) is 631919044
• 25138 cubed (251383) is 15885180928072
• The square root of 25138 is 158.5496767577
• The cube root of 25138 is 29.2938806155

### Scales and comparisons

How big is 25138?
• 25,138 seconds is equal to 6 hours, 58 minutes, 58 seconds.
• To count from 1 to 25,138 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 25138 cubic inches would be around 2.4 feet tall.

### Recreational maths with 25138

• 25138 backwards is 83152
• The number of decimal digits it has is: 5
• The sum of 25138's digits is 19
• More coming soon!