138998018

138,998,018 is an even composite number composed of four prime numbers multiplied together.

What does the number 138998018 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 24 divisors.

138998018 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of twenty-four divisors.

Prime factorization of 138998018:

2 × 17² × 101 × 2381

(2 × 17 × 17 × 101 × 2381)

See below for interesting mathematical facts about the number 138998018 from the Numbermatics database.

Names of 138998018

Cardinal: 138998018 can be written as One hundred thirty-eight million, nine hundred ninety-eight thousand and eighteen.

Scientific notation

Scientific notation: 1.38998018 × 10⁸

Factors of 138998018

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 5
Sum of prime factors: 2501

Divisors of 138998018

Number of divisors d(n): 24
Complete list of divisors:
1 2 17 34 101 202 289 578 1717 2381 3434 4762 29189 40477 58378 80954 240481 480962 688109 1376218 4088177 8176354 69499009 138998018
Sum of all divisors σ(n): 223769844
Sum of proper divisors (its aliquot sum) s(n): 84771826
138998018 is a deficient number, because the sum of its proper divisors (84771826) is less than itself. Its deficiency is 54226192

Bases of 138998018

Binary: 1000010010001111000100000010₂
Hexadecimal: 0x848F102
Base-36: 2AR7K2

Squares and roots of 138998018

138998018 squared (138998018²) is 19320449007928324
138998018 cubed (138998018³) is 2685504118972103322061832
The square root of 138998018 is 11789.7420667291
The cube root of 138998018 is 518.0076846251

Scales and comparisons

How big is 138998018?

138,998,018 seconds is equal to 4 years, 21 weeks, 5 days, 18 hours, 33 minutes, 38 seconds.
To count from 1 to 138,998,018 would take you about six years!

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 138998018 cubic inches would be around 43.2 feet tall.

Recreational maths with 138998018

138998018 backwards is 810899831
The number of decimal digits it has is: 9
The sum of 138998018's digits is 47
More coming soon!

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The information we have on file for 138998018 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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