221842

221,842 is an even composite number composed of two prime numbers multiplied together.

What does the number 221842 look like?

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

221842 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

Prime factorization of 221842:

2 × 110921

See below for interesting mathematical facts about the number 221842 from the Numbermatics database.


Names of 221842

  • Cardinal: 221842 can be written as Two hundred twenty-one thousand, eight hundred forty-two.

Scientific notation

  • Scientific notation: 2.21842 × 105

Factors of 221842

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 2
  • Sum of prime factors: 110923

Divisors of 221842

  • Number of divisors d(n): 4
  • Complete list of divisors:
  • Sum of all divisors σ(n): 332766
  • Sum of proper divisors (its aliquot sum) s(n): 110924
  • 221842 is a deficient number, because the sum of its proper divisors (110924) is less than itself. Its deficiency is 110918

Bases of 221842

  • Binary: 1101100010100100102
  • Hexadecimal: 0x36292
  • Base-36: 4R6A

Squares and roots of 221842

  • 221842 squared (2218422) is 49213872964
  • 221842 cubed (2218423) is 10917704006079688
  • The square root of 221842 is 471.0010615701
  • The cube root of 221842 is 60.5361212251

Scales and comparisons

How big is 221842?
  • 221,842 seconds is equal to 2 days, 13 hours, 37 minutes, 22 seconds.
  • To count from 1 to 221,842 would take you about two days.

    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 221842 cubic inches would be around 5 feet tall.

Recreational maths with 221842

  • 221842 backwards is 248122
  • The number of decimal digits it has is: 6
  • The sum of 221842's digits is 19
  • More coming soon!

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"Number 221842 - Facts about the integer". Numbermatics.com. 2024. Web. 29 March 2024.

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Numbermatics. (2024). Number 221842 - Facts about the integer. Retrieved 29 March 2024, from https://numbermatics.com/n/221842/

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Numbermatics. 2024. "Number 221842 - Facts about the integer". https://numbermatics.com/n/221842/

The information we have on file for 221842 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 221842, math, Factors of 221842, curriculum, school, college, exams, university, Prime factorization of 221842, STEM, science, technology, engineering, physics, economics, calculator, two hundred twenty-one thousand, eight hundred forty-two.

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