18238428

18,238,428 is an even composite number composed of four prime numbers multiplied together.

What does the number 18238428 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 36 divisors.

18238428 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-six divisors.

Prime factorization of 18238428:

2² × 3² × 13 × 38971

(2 × 2 × 3 × 3 × 13 × 38971)

See below for interesting mathematical facts about the number 18238428 from the Numbermatics database.

Names of 18238428

Cardinal: 18238428 can be written as Eighteen million, two hundred thirty-eight thousand, four hundred twenty-eight.

Scientific notation

Scientific notation: 1.8238428 × 10⁷

Factors of 18238428

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 6
Sum of prime factors: 38989

Divisors of 18238428

Number of divisors d(n): 36
Complete list of divisors:
1 2 3 4 6 9 12 13 18 26 36 39 52 78 117 156 234 468 38971 77942 116913 155884 233826 350739 467652 506623 701478 1013246 1402956 1519869 2026492 3039738 4559607 6079476 9119214 18238428
Sum of all divisors σ(n): 49650328
Sum of proper divisors (its aliquot sum) s(n): 31411900
18238428 is an abundant number, because the sum of its proper divisors (31411900) is greater than itself. Its abundance is 13173472

Bases of 18238428

Binary: 1000101100100101111011100₂
Hexadecimal: 0x1164BDC
Base-36: AUWV0

Squares and roots of 18238428

18238428 squared (18238428²) is 332640255911184
18238428 cubed (18238428³) is 6066835357337703778752
The square root of 18238428 is 4270.6472577351
The cube root of 18238428 is 263.2262121941

Scales and comparisons

How big is 18238428?

18,238,428 seconds is equal to 30 weeks, 1 day, 2 hours, 13 minutes, 48 seconds.
To count from 1 to 18,238,428 would take you about forty-five 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 18238428 cubic inches would be around 21.9 feet tall.

Recreational maths with 18238428

18238428 backwards is 82483281
18238428 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 18238428's digits is 36
More coming soon!

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The information we have on file for 18238428 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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