# 755

## 755 is an odd composite number composed of two prime numbers multiplied together.

What does the number 755 look like?

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

755 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 755:

### 5 × 151

See below for interesting mathematical facts about the number 755 from the Numbermatics database.

### Names of 755

• Cardinal: 755 can be written as Seven hundred fifty-five.

### Scientific notation

• Scientific notation: 7.55 × 102

### Factors of 755

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 156

### Divisors of 755

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 912
• Sum of proper divisors (its aliquot sum) s(n): 157
• 755 is a deficient number, because the sum of its proper divisors (157) is less than itself. Its deficiency is 598

### Bases of 755

• Binary: 10111100112
• Base-36: KZ

### Squares and roots of 755

• 755 squared (7552) is 570025
• 755 cubed (7553) is 430368875
• The square root of 755 is 27.4772633281
• The cube root of 755 is 9.1057484913

### Scales and comparisons

How big is 755?
• 755 seconds is equal to 12 minutes, 35 seconds.
• To count from 1 to 755 would take you about six minutes.

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 755 cubic inches would be around 0.8 feet tall.

### Recreational maths with 755

• 755 backwards is 557
• The number of decimal digits it has is: 3
• The sum of 755's digits is 17
• More coming soon!

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The information we have on file for 755 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!

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