# 25531

## 25,531 is an odd composite number composed of two prime numbers multiplied together.

What does the number 25531 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 6 divisors.

25531 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of six divisors.

## Prime factorization of 25531:

### 112 × 211

(11 × 11 × 211)

See below for interesting mathematical facts about the number 25531 from the Numbermatics database.

### Names of 25531

• Cardinal: 25531 can be written as Twenty-five thousand, five hundred thirty-one.

### Scientific notation

• Scientific notation: 2.5531 × 104

### Factors of 25531

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 222

### Divisors of 25531

• Number of divisors d(n): 6
• Complete list of divisors:
• Sum of all divisors σ(n): 28196
• Sum of proper divisors (its aliquot sum) s(n): 2665
• 25531 is a deficient number, because the sum of its proper divisors (2665) is less than itself. Its deficiency is 22866

### Bases of 25531

• Binary: 1100011101110112
• Base-36: JP7

### Squares and roots of 25531

• 25531 squared (255312) is 651831961
• 25531 cubed (255313) is 16641921796291
• The square root of 25531 is 159.7842295099
• The cube root of 25531 is 29.4457491873

### Scales and comparisons

How big is 25531?
• 25,531 seconds is equal to 7 hours, 5 minutes, 31 seconds.
• To count from 1 to 25,531 would take you about seven 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 25531 cubic inches would be around 2.5 feet tall.

### Recreational maths with 25531

• 25531 backwards is 13552
• The number of decimal digits it has is: 5
• The sum of 25531's digits is 16
• More coming soon!