126421

126,421 is a prime number. Like all primes greater than two, it is odd and has no factors apart from itself and one.

What does the number 126421 look like?

As a prime, it is not composed of any other numbers and has no internal structure.

126421 is a prime number. Like all primes (except two), it is an odd number.

Prime factorization of 126421:

126421

See below for interesting mathematical facts about the number 126421 from the Numbermatics database.


Names of 126421

  • Cardinal: 126421 can be written as One hundred twenty-six thousand, four hundred twenty-one.

Scientific notation

  • Scientific notation: 1.26421 × 105

Factors of 126421

  • Number of distinct prime factors ω(n): 1
  • Total number of prime factors Ω(n): 1
  • Sum of prime factors: 126421

Divisors of 126421

  • Number of divisors d(n): 2
  • Complete list of divisors:
  • Sum of all divisors σ(n): 126422
  • Sum of proper divisors (its aliquot sum) s(n): 1
  • 126421 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 126420

Bases of 126421

  • Binary: 111101101110101012
  • Hexadecimal: 0x1EDD5
  • Base-36: 2PJP

Squares and roots of 126421

  • 126421 squared (1264212) is 15982269241
  • 126421 cubed (1264213) is 2020494459716461
  • The square root of 126421 is 355.5573090235
  • The cube root of 126421 is 50.1887532145

Scales and comparisons

How big is 126421?
  • 126,421 seconds is equal to 1 day, 11 hours, 7 minutes, 1 second.
  • To count from 1 to 126,421 would take you about eleven 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 126421 cubic inches would be around 4.2 feet tall.

Recreational maths with 126421

  • 126421 backwards is 124621
  • The number of decimal digits it has is: 6
  • The sum of 126421's digits is 16
  • More coming soon!

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"Number 126421 - Facts about the integer". Numbermatics.com. 2024. Web. 25 April 2024.

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Numbermatics. (2024). Number 126421 - Facts about the integer. Retrieved 25 April 2024, from https://numbermatics.com/n/126421/

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Numbermatics. 2024. "Number 126421 - Facts about the integer". https://numbermatics.com/n/126421/

The information we have on file for 126421 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 126421, math, Factors of 126421, curriculum, school, college, exams, university, Prime factorization of 126421, STEM, science, technology, engineering, physics, economics, calculator, one hundred twenty-six thousand, four hundred twenty-one.

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