398989

398,989 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 398989 look like?

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

398989 is a prime number. Like all primes (except two), it is an odd number.

Prime factorization of 398989:

398989

See below for interesting mathematical facts about the number 398989 from the Numbermatics database.


Names of 398989

  • Cardinal: 398989 can be written as Three hundred ninety-eight thousand, nine hundred eighty-nine.

Scientific notation

  • Scientific notation: 3.98989 × 105

Factors of 398989

  • Number of distinct prime factors ω(n): 1
  • Total number of prime factors Ω(n): 1
  • Sum of prime factors: 398989

Divisors of 398989

  • Number of divisors d(n): 2
  • Complete list of divisors:
  • Sum of all divisors σ(n): 398990
  • Sum of proper divisors (its aliquot sum) s(n): 1
  • 398989 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 398988

Bases of 398989

  • Binary: 11000010110100011012
  • Hexadecimal: 0x6168D
  • Base-36: 8JV1

Squares and roots of 398989

  • 398989 squared (3989892) is 159192222121
  • 398989 cubed (3989893) is 63515945511835669
  • The square root of 398989 is 631.6557606799
  • The cube root of 398989 is 73.6185016695

Scales and comparisons

How big is 398989?
  • 398,989 seconds is equal to 4 days, 14 hours, 49 minutes, 49 seconds.
  • To count from 1 to 398,989 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 398989 cubic inches would be around 6.1 feet tall.

Recreational maths with 398989

  • 398989 backwards is 989893
  • The number of decimal digits it has is: 6
  • The sum of 398989's digits is 46
  • More coming soon!

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"Number 398989 - Facts about the integer". Numbermatics.com. 2024. Web. 29 March 2024.

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Numbermatics. (2024). Number 398989 - Facts about the integer. Retrieved 29 March 2024, from https://numbermatics.com/n/398989/

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Numbermatics. 2024. "Number 398989 - Facts about the integer". https://numbermatics.com/n/398989/

The information we have on file for 398989 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 398989, math, Factors of 398989, curriculum, school, college, exams, university, Prime factorization of 398989, STEM, science, technology, engineering, physics, economics, calculator, three hundred ninety-eight thousand, nine hundred eighty-nine.

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