2445

2,445 is an odd composite number composed of three prime numbers multiplied together.

What does the number 2445 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 8 divisors.

2445 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eight divisors.

Prime factorization of 2445:

3 × 5 × 163

See below for interesting mathematical facts about the number 2445 from the Numbermatics database.


Names of 2445

  • Cardinal: 2445 can be written as Two thousand, four hundred forty-five.

Scientific notation

  • Scientific notation: 2.445 × 103

Factors of 2445

  • Number of distinct prime factors ω(n): 3
  • Total number of prime factors Ω(n): 3
  • Sum of prime factors: 171

Divisors of 2445

  • Number of divisors d(n): 8
  • Complete list of divisors:
  • Sum of all divisors σ(n): 3936
  • Sum of proper divisors (its aliquot sum) s(n): 1491
  • 2445 is a deficient number, because the sum of its proper divisors (1491) is less than itself. Its deficiency is 954

Bases of 2445

  • Binary: 1001100011012
  • Hexadecimal: 0x98D
  • Base-36: 1VX

Squares and roots of 2445

  • 2445 squared (24452) is 5978025
  • 2445 cubed (24453) is 14616271125
  • The square root of 2445 is 49.4469412603
  • The cube root of 2445 is 13.4718205065

Scales and comparisons

How big is 2445?
  • 2,445 seconds is equal to 40 minutes, 45 seconds.
  • To count from 1 to 2,445 would take you about forty 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 2445 cubic inches would be around 1.1 feet tall.

Recreational maths with 2445

  • 2445 backwards is 5442
  • 2445 is a Harshad number.
  • The number of decimal digits it has is: 4
  • The sum of 2445's digits is 15
  • More coming soon!

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"Number 2445 - Facts about the integer". Numbermatics.com. 2020. Web. 30 May 2020.

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The information we have on file for 2445 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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