3,978 is an even composite number composed of four prime numbers multiplied together.

What does the number 3978 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 24 divisors.

3978 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of twenty-four divisors.

Prime factorization of 3978:

2 × 32 × 13 × 17

(2 × 3 × 3 × 13 × 17)

See below for interesting mathematical facts about the number 3978 from the Numbermatics database.

Names of 3978

  • Cardinal: 3978 can be written as Three thousand, nine hundred seventy-eight.

Scientific notation

  • Scientific notation: 3.978 × 103

Factors of 3978

  • Number of distinct prime factors ω(n): 4
  • Total number of prime factors Ω(n): 5
  • Sum of prime factors: 35

Divisors of 3978

Bases of 3978

  • Binary: 1111100010102
  • Hexadecimal: 0xF8A
  • Base-36: 32I

Squares and roots of 3978

  • 3978 squared (39782) is 15824484
  • 3978 cubed (39783) is 62949797352
  • The square root of 3978 is 63.0713881249
  • The cube root of 3978 is 15.8448546491

Scales and comparisons

How big is 3978?
  • 3,978 seconds is equal to 1 hour, 6 minutes, 18 seconds.
  • To count from 1 to 3,978 would take you about six minutes.

    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 3978 cubic inches would be around 1.3 feet tall.

Recreational maths with 3978

  • 3978 backwards is 8793
  • The number of decimal digits it has is: 4
  • The sum of 3978's digits is 27
  • More coming soon!

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The information we have on file for 3978 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!

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