3991988

3,991,988 is an even composite number composed of five prime numbers multiplied together.

What does the number 3991988 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 48 divisors.

3991988 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 3991988:

22 × 7 × 11 × 13 × 997

(2 × 2 × 7 × 11 × 13 × 997)

See below for interesting mathematical facts about the number 3991988 from the Numbermatics database.


Names of 3991988

  • Cardinal: 3991988 can be written as Three million, nine hundred ninety-one thousand, nine hundred eighty-eight.

Scientific notation

  • Scientific notation: 3.991988 × 106

Factors of 3991988

  • Number of distinct prime factors ω(n): 5
  • Total number of prime factors Ω(n): 6
  • Sum of prime factors: 1030

Divisors of 3991988

Bases of 3991988

  • Binary: 11110011101001101101002
  • Hexadecimal: 0x3CE9B4
  • Base-36: 2DK8K

Squares and roots of 3991988

  • 3991988 squared (39919882) is 15935968192144
  • 3991988 cubed (39919883) is 63616193791420542272
  • The square root of 3991988 is 1997.9959959919
  • The cube root of 3991988 is 158.6340488781

Scales and comparisons

How big is 3991988?
  • 3,991,988 seconds is equal to 6 weeks, 4 days, 4 hours, 53 minutes, 8 seconds.
  • To count from 1 to 3,991,988 would take you about nine 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 3991988 cubic inches would be around 13.2 feet tall.

Recreational maths with 3991988

  • 3991988 backwards is 8891993
  • The number of decimal digits it has is: 7
  • The sum of 3991988's digits is 47
  • More coming soon!

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"Number 3991988 - Facts about the integer". Numbermatics.com. 2024. Web. 28 March 2024.

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Numbermatics. (2024). Number 3991988 - Facts about the integer. Retrieved 28 March 2024, from https://numbermatics.com/n/3991988/

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Numbermatics. 2024. "Number 3991988 - Facts about the integer". https://numbermatics.com/n/3991988/

The information we have on file for 3991988 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 3991988, math, Factors of 3991988, curriculum, school, college, exams, university, Prime factorization of 3991988, STEM, science, technology, engineering, physics, economics, calculator, three million, nine hundred ninety-one thousand, nine hundred eighty-eight.

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