421391

421,391 is an odd composite number composed of two prime numbers multiplied together.

What does the number 421391 look like?

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

421391 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 421391:

83 × 5077

See below for interesting mathematical facts about the number 421391 from the Numbermatics database.


Names of 421391

  • Cardinal: 421391 can be written as Four hundred twenty-one thousand, three hundred ninety-one.

Scientific notation

  • Scientific notation: 4.21391 × 105

Factors of 421391

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 2
  • Sum of prime factors: 5160

Divisors of 421391

  • Number of divisors d(n): 4
  • Complete list of divisors:
  • Sum of all divisors σ(n): 426552
  • Sum of proper divisors (its aliquot sum) s(n): 5161
  • 421391 is a deficient number, because the sum of its proper divisors (5161) is less than itself. Its deficiency is 416230

Bases of 421391

  • Binary: 11001101110000011112
  • Hexadecimal: 0x66E0F
  • Base-36: 915B

Squares and roots of 421391

  • 421391 squared (4213912) is 177570374881
  • 421391 cubed (4213913) is 74826557841479471
  • The square root of 421391 is 649.1463625409
  • The cube root of 421391 is 74.9713075431

Scales and comparisons

How big is 421391?
  • 421,391 seconds is equal to 4 days, 21 hours, 3 minutes, 11 seconds.
  • To count from 1 to 421,391 would take you about four 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 421391 cubic inches would be around 6.2 feet tall.

Recreational maths with 421391

  • 421391 backwards is 193124
  • The number of decimal digits it has is: 6
  • The sum of 421391's digits is 20
  • More coming soon!

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"Number 421391 - Facts about the integer". Numbermatics.com. 2024. Web. 21 June 2024.

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Numbermatics. (2024). Number 421391 - Facts about the integer. Retrieved 21 June 2024, from https://numbermatics.com/n/421391/

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Numbermatics. 2024. "Number 421391 - Facts about the integer". https://numbermatics.com/n/421391/

The information we have on file for 421391 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 421391, math, Factors of 421391, curriculum, school, college, exams, university, Prime factorization of 421391, STEM, science, technology, engineering, physics, economics, calculator, four hundred twenty-one thousand, three hundred ninety-one.

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