138211938

138,211,938 is an even composite number composed of four prime numbers multiplied together.

What does the number 138211938 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 54 divisors.

138211938 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of fifty-four divisors.

Prime factorization of 138211938:

2 × 3² × 17² × 163²

(2 × 3 × 3 × 17 × 17 × 163 × 163)

See below for interesting mathematical facts about the number 138211938 from the Numbermatics database.

Names of 138211938

Cardinal: 138211938 can be written as One hundred thirty-eight million, two hundred eleven thousand, nine hundred thirty-eight.

Scientific notation

Scientific notation: 1.38211938 × 10⁸

Factors of 138211938

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 185

Divisors of 138211938

Number of divisors d(n): 54
Complete list of divisors:
1 2 3 6 9 17 18 34 51 102 153 163 289 306 326 489 578 867 978 1467 1734 2601 2771 2934 5202 5542 8313 16626 24939 26569 47107 49878 53138 79707 94214 141321 159414 239121 282642 423963 451673 478242 847926 903346 1355019 2710038 4065057 7678441 8130114 15356882 23035323 46070646 69105969 138211938
Sum of all divisors σ(n): 320074209
Sum of proper divisors (its aliquot sum) s(n): 181862271
138211938 is an abundant number, because the sum of its proper divisors (181862271) is greater than itself. Its abundance is 43650333

Bases of 138211938

Binary: 1000001111001111001001100010₂
Hexadecimal: 0x83CF262
Base-36: 2AAD0I

Squares and roots of 138211938

138211938 squared (138211938²) is 19102539805715844
138211938 cubed (138211938³) is 2640199047270130276545672
The square root of 138211938 is 11756.3573440075
The cube root of 138211938 is 517.0293361183

Scales and comparisons

How big is 138211938?

138,211,938 seconds is equal to 4 years, 20 weeks, 3 days, 16 hours, 12 minutes, 18 seconds.
To count from 1 to 138,211,938 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 138211938 cubic inches would be around 43.1 feet tall.

Recreational maths with 138211938

138211938 backwards is 839112831
The number of decimal digits it has is: 9
The sum of 138211938's digits is 36
More coming soon!

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The information we have on file for 138211938 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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