# 261144

## 261,144 is an even composite number composed of four prime numbers multiplied together.

What does the number 261144 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 80 divisors.

261144 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of eighty divisors.

## Prime factorization of 261144:

### 23 × 34 × 13 × 31

(2 × 2 × 2 × 3 × 3 × 3 × 3 × 13 × 31)

See below for interesting mathematical facts about the number 261144 from the Numbermatics database.

### Names of 261144

• Cardinal: 261144 can be written as Two hundred sixty-one thousand, one hundred forty-four.

### Scientific notation

• Scientific notation: 2.61144 × 105

### Factors of 261144

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 49

### Divisors of 261144

• Number of divisors d(n): 80
• Complete list of divisors:
• Sum of all divisors σ(n): 813120
• Sum of proper divisors (its aliquot sum) s(n): 551976
• 261144 is an abundant number, because the sum of its proper divisors (551976) is greater than itself. Its abundance is 290832

### Bases of 261144

• Binary: 1111111100000110002
• Base-36: 5LI0

### Squares and roots of 261144

• 261144 squared (2611442) is 68196188736
• 261144 cubed (2611443) is 17809025511273984
• The square root of 261144 is 511.0225043971
• The cube root of 261144 is 63.9185160915

### Scales and comparisons

How big is 261144?
• 261,144 seconds is equal to 3 days, 32 minutes, 24 seconds.
• To count from 1 to 261,144 would take you about three days.

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 261144 cubic inches would be around 5.3 feet tall.

### Recreational maths with 261144

• 261144 backwards is 441162
• 261144 is a Harshad number.
• The number of decimal digits it has is: 6
• The sum of 261144's digits is 18
• More coming soon!