18129950

18,129,950 is an even composite number composed of three prime numbers multiplied together.

What does the number 18129950 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 12 divisors.

18129950 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

Prime factorization of 18129950:

2 × 5² × 362599

(2 × 5 × 5 × 362599)

See below for interesting mathematical facts about the number 18129950 from the Numbermatics database.

Names of 18129950

Cardinal: 18129950 can be written as Eighteen million, one hundred twenty-nine thousand, nine hundred fifty.

Scientific notation

Scientific notation: 1.812995 × 10⁷

Factors of 18129950

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 362606

Divisors of 18129950

Number of divisors d(n): 12
Complete list of divisors:
1 2 5 10 25 50 362599 725198 1812995 3625990 9064975 18129950
Sum of all divisors σ(n): 33721800
Sum of proper divisors (its aliquot sum) s(n): 15591850
18129950 is a deficient number, because the sum of its proper divisors (15591850) is less than itself. Its deficiency is 2538100

Bases of 18129950

Binary: 1000101001010010000011110₂
Hexadecimal: 0x114A41E
Base-36: ASL5Q

Squares and roots of 18129950

18129950 squared (18129950²) is 328695087002500
18129950 cubed (18129950³) is 5959225492600974875000
The square root of 18129950 is 4257.9278998123
The cube root of 18129950 is 262.7033043309

Scales and comparisons

How big is 18129950?

18,129,950 seconds is equal to 29 weeks, 6 days, 20 hours, 5 minutes, 50 seconds.
To count from 1 to 18,129,950 would take you about forty-four 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 18129950 cubic inches would be around 21.9 feet tall.

Recreational maths with 18129950

18129950 backwards is 05992181
The number of decimal digits it has is: 8
The sum of 18129950's digits is 35
More coming soon!

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The information we have on file for 18129950 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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