16428

16,428 is an even composite number composed of three prime numbers multiplied together.

What does the number 16428 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 18 divisors.

16428 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eighteen divisors.

Prime factorization of 16428:

22 × 3 × 372

(2 × 2 × 3 × 37 × 37)

See below for interesting mathematical facts about the number 16428 from the Numbermatics database.


Names of 16428

  • Cardinal: 16428 can be written as Sixteen thousand, four hundred twenty-eight.

Scientific notation

  • Scientific notation: 1.6428 × 104

Factors of 16428

  • Number of distinct prime factors ω(n): 3
  • Total number of prime factors Ω(n): 5
  • Sum of prime factors: 42

Divisors of 16428

  • Number of divisors d(n): 18
  • Complete list of divisors:
  • Sum of all divisors σ(n): 39396
  • Sum of proper divisors (its aliquot sum) s(n): 22968
  • 16428 is an abundant number, because the sum of its proper divisors (22968) is greater than itself. Its abundance is 6540

Bases of 16428

  • Binary: 1000000001011002
  • Hexadecimal: 0x402C
  • Base-36: COC

Squares and roots of 16428

  • 16428 squared (164282) is 269879184
  • 16428 cubed (164283) is 4433575234752
  • The square root of 16428 is 128.1717597599
  • The cube root of 16428 is 25.4211327217

Scales and comparisons

How big is 16428?
  • 16,428 seconds is equal to 4 hours, 33 minutes, 48 seconds.
  • To count from 1 to 16,428 would take you about four 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 16428 cubic inches would be around 2.1 feet tall.

Recreational maths with 16428

  • 16428 backwards is 82461
  • The number of decimal digits it has is: 5
  • The sum of 16428's digits is 21
  • More coming soon!

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The information we have on file for 16428 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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