28390142

28,390,142 is an even composite number composed of five prime numbers multiplied together.

What does the number 28390142 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 32 divisors.

28390142 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 28390142:

2 × 11 × 19 × 23 × 2953

See below for interesting mathematical facts about the number 28390142 from the Numbermatics database.

Names of 28390142

Cardinal: 28390142 can be written as Twenty-eight million, three hundred ninety thousand, one hundred forty-two.

Scientific notation

Scientific notation: 2.8390142 × 10⁷

Factors of 28390142

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 5
Sum of prime factors: 3008

Divisors of 28390142

Number of divisors d(n): 32
Complete list of divisors:
1 2 11 19 22 23 38 46 209 253 418 437 506 874 2953 4807 5906 9614 32483 56107 64966 67919 112214 135838 617177 747109 1234354 1290461 1494218 2580922 14195071 28390142
Sum of all divisors σ(n): 51045120
Sum of proper divisors (its aliquot sum) s(n): 22654978
28390142 is a deficient number, because the sum of its proper divisors (22654978) is less than itself. Its deficiency is 5735164

Bases of 28390142

Binary: 1101100010011001011111110₂
Hexadecimal: 0x1B132FE
Base-36: GWHZ2

Squares and roots of 28390142

28390142 squared (28390142²) is 806000162780164
28390142 cubed (28390142³) is 22882459073351970743288
The square root of 28390142 is 5328.2400471451
The cube root of 28390142 is 305.0627551599

Scales and comparisons

How big is 28390142?

28,390,142 seconds is equal to 46 weeks, 6 days, 14 hours, 9 minutes, 2 seconds.
To count from 1 to 28,390,142 would take you about eighteen 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 28390142 cubic inches would be around 25.4 feet tall.

Recreational maths with 28390142

28390142 backwards is 24109382
The number of decimal digits it has is: 8
The sum of 28390142's digits is 29
More coming soon!

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The information we have on file for 28390142 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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