18909828

18,909,828 is an even composite number composed of four prime numbers multiplied together.

What does the number 18909828 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 48 divisors.

18909828 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 18909828:

2² × 3³ × 7 × 25013

(2 × 2 × 3 × 3 × 3 × 7 × 25013)

See below for interesting mathematical facts about the number 18909828 from the Numbermatics database.

Names of 18909828

Cardinal: 18909828 can be written as Eighteen million, nine hundred nine thousand, eight hundred twenty-eight.

Scientific notation

Scientific notation: 1.8909828 × 10⁷

Factors of 18909828

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 25025

Divisors of 18909828

Number of divisors d(n): 48
Complete list of divisors:
1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 84 108 126 189 252 378 756 25013 50026 75039 100052 150078 175091 225117 300156 350182 450234 525273 675351 700364 900468 1050546 1350702 1575819 2101092 2701404 3151638 4727457 6303276 9454914 18909828
Sum of all divisors σ(n): 56031360
Sum of proper divisors (its aliquot sum) s(n): 37121532
18909828 is an abundant number, because the sum of its proper divisors (37121532) is greater than itself. Its abundance is 18211704

Bases of 18909828

Binary: 1001000001000101010000100₂
Hexadecimal: 0x1208A84
Base-36: B9AX0

Squares and roots of 18909828

18909828 squared (18909828²) is 357581594989584
18909828 cubed (18909828³) is 6761806457218695231552
The square root of 18909828 is 4348.5432043387
The cube root of 18909828 is 266.4173635301

Scales and comparisons

How big is 18909828?

18,909,828 seconds is equal to 31 weeks, 1 day, 20 hours, 43 minutes, 48 seconds.
To count from 1 to 18,909,828 would take you about forty-six 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 18909828 cubic inches would be around 22.2 feet tall.

Recreational maths with 18909828

18909828 backwards is 82890981
The number of decimal digits it has is: 8
The sum of 18909828's digits is 45
More coming soon!

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The information we have on file for 18909828 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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