551

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

What does the number 551 look like?

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

551 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 551:

19 × 29

See below for interesting mathematical facts about the number 551 from the Numbermatics database.


Names of 551

  • Cardinal: 551 can be written as Five hundred fifty-one.

Scientific notation

  • Scientific notation: 5.51 × 102

Factors of 551

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 2
  • Sum of prime factors: 48

Divisors of 551

  • Number of divisors d(n): 4
  • Complete list of divisors:
  • Sum of all divisors σ(n): 600
  • Sum of proper divisors (its aliquot sum) s(n): 49
  • 551 is a deficient number, because the sum of its proper divisors (49) is less than itself. Its deficiency is 502

Bases of 551

  • Binary: 10001001112
  • Hexadecimal: 0x227
  • Base-36: FB

Squares and roots of 551

  • 551 squared (5512) is 303601
  • 551 cubed (5513) is 167284151
  • The square root of 551 is 23.4733891887
  • The cube root of 551 is 8.1981752829

Scales and comparisons

How big is 551?
  • 551 seconds is equal to 9 minutes, 11 seconds.
  • To count from 1 to 551 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 551 cubic inches would be around 0.7 feet tall.

Recreational maths with 551

  • 551 backwards is 155
  • The number of decimal digits it has is: 3
  • The sum of 551's digits is 11
  • More coming soon!

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"Number 551 - Facts about the integer". Numbermatics.com. 2021. Web. 18 May 2021.

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Numbermatics. (2021). Number 551 - Facts about the integer. Retrieved 18 May 2021, from https://numbermatics.com/n/551/

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Numbermatics. 2021. "Number 551 - Facts about the integer". https://numbermatics.com/n/551/

The information we have on file for 551 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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