13840421

13,840,421 is an odd composite number composed of two prime numbers multiplied together.

What does the number 13840421 look like?

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

13840421 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 13840421:

7 × 1977203

See below for interesting mathematical facts about the number 13840421 from the Numbermatics database.


Names of 13840421

  • Cardinal: 13840421 can be written as Thirteen million, eight hundred forty thousand, four hundred twenty-one.

Scientific notation

  • Scientific notation: 1.3840421 × 107

Factors of 13840421

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 2
  • Sum of prime factors: 1977210

Divisors of 13840421

  • Number of divisors d(n): 4
  • Complete list of divisors:
  • Sum of all divisors σ(n): 15817632
  • Sum of proper divisors (its aliquot sum) s(n): 1977211
  • 13840421 is a deficient number, because the sum of its proper divisors (1977211) is less than itself. Its deficiency is 11863210

Bases of 13840421

  • Binary: 1101001100110000001001012
  • Hexadecimal: 0xD33025
  • Base-36: 88NC5

Squares and roots of 13840421

  • 13840421 squared (138404212) is 191557253457241
  • 13840421 cubed (138404213) is 2651233033451920938461
  • The square root of 13840421 is 3720.2716298679
  • The cube root of 13840421 is 240.0949913329

Scales and comparisons

How big is 13840421?
  • 13,840,421 seconds is equal to 22 weeks, 6 days, 4 hours, 33 minutes, 41 seconds.
  • To count from 1 to 13,840,421 would take you about thirty-four weeks!

    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 13840421 cubic inches would be around 20 feet tall.

Recreational maths with 13840421

  • 13840421 backwards is 12404831
  • The number of decimal digits it has is: 8
  • The sum of 13840421's digits is 23
  • More coming soon!

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"Number 13840421 - Facts about the integer". Numbermatics.com. 2024. Web. 28 March 2024.

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Numbermatics. (2024). Number 13840421 - Facts about the integer. Retrieved 28 March 2024, from https://numbermatics.com/n/13840421/

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Numbermatics. 2024. "Number 13840421 - Facts about the integer". https://numbermatics.com/n/13840421/

The information we have on file for 13840421 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 13840421, math, Factors of 13840421, curriculum, school, college, exams, university, Prime factorization of 13840421, STEM, science, technology, engineering, physics, economics, calculator, thirteen million, eight hundred forty thousand, four hundred twenty-one.

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