2,855 is an odd composite number composed of two prime numbers multiplied together.

What does the number 2855 look like?

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

2855 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 2855:

5 × 571

See below for interesting mathematical facts about the number 2855 from the Numbermatics database.

Names of 2855

  • Cardinal: 2855 can be written as Two thousand, eight hundred fifty-five.

Scientific notation

  • Scientific notation: 2.855 × 103

Factors of 2855

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 2
  • Sum of prime factors: 576

Divisors of 2855

  • Number of divisors d(n): 4
  • Complete list of divisors:
  • Sum of all divisors σ(n): 3432
  • Sum of proper divisors (its aliquot sum) s(n): 577
  • 2855 is a deficient number, because the sum of its proper divisors (577) is less than itself. Its deficiency is 2278

Bases of 2855

  • Binary: 1011001001112
  • Hexadecimal: 0xB27
  • Base-36: 27B

Squares and roots of 2855

  • 2855 squared (28552) is 8151025
  • 2855 cubed (28553) is 23271176375
  • The square root of 2855 is 53.4322000293
  • The cube root of 2855 is 14.1862857739

Scales and comparisons

How big is 2855?
  • 2,855 seconds is equal to 47 minutes, 35 seconds.
  • To count from 1 to 2,855 would take you about forty-seven 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 2855 cubic inches would be around 1.2 feet tall.

Recreational maths with 2855

  • 2855 backwards is 5582
  • The number of decimal digits it has is: 4
  • The sum of 2855's digits is 20
  • More coming soon!

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"Number 2855 - Facts about the integer". Numbermatics.com. 2023. Web. 30 March 2023.

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Numbermatics. (2023). Number 2855 - Facts about the integer. Retrieved 30 March 2023, from https://numbermatics.com/n/2855/

Chicago style:
Numbermatics. 2023. "Number 2855 - Facts about the integer". https://numbermatics.com/n/2855/

The information we have on file for 2855 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!

Keywords: Divisors of 2855, math, Factors of 2855, curriculum, school, college, exams, university, Prime factorization of 2855, STEM, science, technology, engineering, physics, economics, calculator, two thousand, eight hundred fifty-five.

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