# 557

## 557 is a prime number. Like all primes greater than two, it is odd and has no factors apart from itself and one.

What does the number 557 look like?

As a prime, it is not composed of any other numbers and has no internal structure.

557 is a prime number. Like all primes (except two), it is an odd number.

## Prime factorization of 557:

### 557

See below for interesting mathematical facts about the number 557 from the Numbermatics database.

### Names of 557

• Cardinal: 557 can be written as Five hundred fifty-seven.

### Scientific notation

• Scientific notation: 5.57 × 102

### Factors of 557

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 557

### Divisors of 557

• Number of divisors d(n): 2
• Complete list of divisors:
• Sum of all divisors σ(n): 558
• Sum of proper divisors (its aliquot sum) s(n): 1
• 557 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 556

### Bases of 557

• Binary: 10001011012
• Hexadecimal: 0x22D
• Base-36: FH

### Squares and roots of 557

• 557 squared (5572) is 310249
• 557 cubed (5573) is 172808693
• The square root of 557 is 23.6008474425
• The cube root of 557 is 8.2278253613

### Scales and comparisons

How big is 557?
• 557 seconds is equal to 9 minutes, 17 seconds.
• To count from 1 to 557 would take you about four 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 557 cubic inches would be around 0.7 feet tall.

### Recreational maths with 557

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

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"Number 557 - Facts about the integer". Numbermatics.com. 2021. Web. 14 April 2021.

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Numbermatics. (2021). Number 557 - Facts about the integer. Retrieved 14 April 2021, from https://numbermatics.com/n/557/

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The information we have on file for 557 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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