1,242 is an even composite number composed of three prime numbers multiplied together.

What does the number 1242 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 16 divisors.

1242 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 1242:

2 × 33 × 23

(2 × 3 × 3 × 3 × 23)

See below for interesting mathematical facts about the number 1242 from the Numbermatics database.

Names of 1242

  • Cardinal: 1242 can be written as One thousand, two hundred forty-two.

Scientific notation

  • Scientific notation: 1.242 × 103

Factors of 1242

  • Number of distinct prime factors ω(n): 3
  • Total number of prime factors Ω(n): 5
  • Sum of prime factors: 28

Divisors of 1242

  • Number of divisors d(n): 16
  • Complete list of divisors:
  • Sum of all divisors σ(n): 2880
  • Sum of proper divisors (its aliquot sum) s(n): 1638
  • 1242 is an abundant number, because the sum of its proper divisors (1638) is greater than itself. Its abundance is 396

Bases of 1242

  • Binary: 100110110102
  • Hexadecimal: 0x4DA
  • Base-36: YI

Squares and roots of 1242

  • 1242 squared (12422) is 1542564
  • 1242 cubed (12423) is 1915864488
  • The square root of 1242 is 35.2420203735
  • The cube root of 1242 is 10.7491436129

Scales and comparisons

How big is 1242?
  • 1,242 seconds is equal to 20 minutes, 42 seconds.
  • To count from 1 to 1,242 would take you about twenty 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 1242 cubic inches would be around 0.9 feet tall.

Recreational maths with 1242

  • 1242 backwards is 2421
  • 1242 is a Harshad number.
  • The number of decimal digits it has is: 4
  • The sum of 1242's digits is 9
  • More coming soon!

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"Number 1242 - Facts about the integer". Numbermatics.com. 2022. Web. 17 January 2022.

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Numbermatics. (2022). Number 1242 - Facts about the integer. Retrieved 17 January 2022, from https://numbermatics.com/n/1242/

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The information we have on file for 1242 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 1242, math, Factors of 1242, curriculum, school, college, exams, university, Prime factorization of 1242, STEM, science, technology, engineering, physics, economics, calculator, one thousand, two hundred forty-two.

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