1,218,401 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 1218401 look like?

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

1218401 is a prime number. Like all primes (except two), it is an odd number.

Prime factorization of 1218401:


See below for interesting mathematical facts about the number 1218401 from the Numbermatics database.

Names of 1218401

  • Cardinal: 1218401 can be written as One million, two hundred eighteen thousand, four hundred one.

Scientific notation

  • Scientific notation: 1.218401 × 106

Factors of 1218401

  • Number of distinct prime factors ω(n): 1
  • Total number of prime factors Ω(n): 1
  • Sum of prime factors: 1218401

Divisors of 1218401

  • Number of divisors d(n): 2
  • Complete list of divisors:
  • Sum of all divisors σ(n): 1218402
  • Sum of proper divisors (its aliquot sum) s(n): 1
  • 1218401 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 1218400

Bases of 1218401

  • Binary: 1001010010111011000012
  • Hexadecimal: 0x129761
  • Base-36: Q44H

Squares and roots of 1218401

  • 1218401 squared (12184012) is 1484500996801
  • 1218401 cubed (12184013) is 1808717499003335201
  • The square root of 1218401 is 1103.8120310995
  • The cube root of 1218401 is 106.8062701177

Scales and comparisons

How big is 1218401?
  • 1,218,401 seconds is equal to 2 weeks, 2 hours, 26 minutes, 41 seconds.
  • To count from 1 to 1,218,401 would take you about three 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 1218401 cubic inches would be around 8.9 feet tall.

Recreational maths with 1218401

  • 1218401 backwards is 1048121
  • The number of decimal digits it has is: 7
  • The sum of 1218401's digits is 17
  • More coming soon!

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"Number 1218401 - Facts about the integer". Numbermatics.com. 2024. Web. 2 March 2024.

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Numbermatics. (2024). Number 1218401 - Facts about the integer. Retrieved 2 March 2024, from https://numbermatics.com/n/1218401/

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The information we have on file for 1218401 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 1218401, math, Factors of 1218401, curriculum, school, college, exams, university, Prime factorization of 1218401, STEM, science, technology, engineering, physics, economics, calculator, one million, two hundred eighteen thousand, four hundred one.

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