166421

166,421 is an odd composite number composed of two prime numbers multiplied together.

What does the number 166421 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 6 divisors.

166421 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of six divisors.

Prime factorization of 166421:

192 × 461

(19 × 19 × 461)

See below for interesting mathematical facts about the number 166421 from the Numbermatics database.


Names of 166421

  • Cardinal: 166421 can be written as One hundred sixty-six thousand, four hundred twenty-one.

Scientific notation

  • Scientific notation: 1.66421 × 105

Factors of 166421

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 3
  • Sum of prime factors: 480

Divisors of 166421

  • Number of divisors d(n): 6
  • Complete list of divisors:
  • Sum of all divisors σ(n): 176022
  • Sum of proper divisors (its aliquot sum) s(n): 9601
  • 166421 is a deficient number, because the sum of its proper divisors (9601) is less than itself. Its deficiency is 156820

Bases of 166421

  • Binary: 1010001010000101012
  • Hexadecimal: 0x28A15
  • Base-36: 3KET

Squares and roots of 166421

  • 166421 squared (1664212) is 27695949241
  • 166421 cubed (1664213) is 4609187568636461
  • The square root of 166421 is 407.9473005181
  • The cube root of 166421 is 55.0050684035

Scales and comparisons

How big is 166421?
  • 166,421 seconds is equal to 1 day, 22 hours, 13 minutes, 41 seconds.
  • To count from 1 to 166,421 would take you about twenty-two hours.

    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 166421 cubic inches would be around 4.6 feet tall.

Recreational maths with 166421

  • 166421 backwards is 124661
  • The number of decimal digits it has is: 6
  • The sum of 166421's digits is 20
  • More coming soon!

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"Number 166421 - Facts about the integer". Numbermatics.com. 2024. Web. 28 February 2024.

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Numbermatics. (2024). Number 166421 - Facts about the integer. Retrieved 28 February 2024, from https://numbermatics.com/n/166421/

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Numbermatics. 2024. "Number 166421 - Facts about the integer". https://numbermatics.com/n/166421/

The information we have on file for 166421 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 166421, math, Factors of 166421, curriculum, school, college, exams, university, Prime factorization of 166421, STEM, science, technology, engineering, physics, economics, calculator, one hundred sixty-six thousand, four hundred twenty-one.

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