18247221

18,247,221 is an odd composite number composed of two prime numbers multiplied together.

What does the number 18247221 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 8 divisors.

18247221 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of eight divisors.

Prime factorization of 18247221:

3³ × 675823

(3 × 3 × 3 × 675823)

See below for interesting mathematical facts about the number 18247221 from the Numbermatics database.

Names of 18247221

Cardinal: 18247221 can be written as Eighteen million, two hundred forty-seven thousand, two hundred twenty-one.

Scientific notation

Scientific notation: 1.8247221 × 10⁷

Factors of 18247221

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 4
Sum of prime factors: 675826

Divisors of 18247221

Number of divisors d(n): 8
Complete list of divisors:
1 3 9 27 675823 2027469 6082407 18247221
Sum of all divisors σ(n): 27032960
Sum of proper divisors (its aliquot sum) s(n): 8785739
18247221 is a deficient number, because the sum of its proper divisors (8785739) is less than itself. Its deficiency is 9461482

Bases of 18247221

Binary: 1000101100110111000110101₂
Hexadecimal: 0x1166E35
Base-36: AV3N9

Squares and roots of 18247221

18247221 squared (18247221²) is 332961074222841
18247221 cubed (18247221³) is 6075614305741582974861
The square root of 18247221 is 4271.6766029279
The cube root of 18247221 is 263.2685070713

Scales and comparisons

How big is 18247221?

18,247,221 seconds is equal to 30 weeks, 1 day, 4 hours, 40 minutes, 21 seconds.
To count from 1 to 18,247,221 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 18247221 cubic inches would be around 21.9 feet tall.

Recreational maths with 18247221

18247221 backwards is 12274281
18247221 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 18247221's digits is 27
More coming soon!

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The information we have on file for 18247221 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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