138908958

138,908,958 is an even composite number composed of five prime numbers multiplied together.

What does the number 138908958 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 32 divisors.

138908958 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 138908958:

2 × 3 × 137 × 347 × 487

See below for interesting mathematical facts about the number 138908958 from the Numbermatics database.

Names of 138908958

Cardinal: 138908958 can be written as One hundred thirty-eight million, nine hundred eight thousand, nine hundred fifty-eight.

Scientific notation

Scientific notation: 1.38908958 × 10⁸

Factors of 138908958

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 5
Sum of prime factors: 976

Divisors of 138908958

Number of divisors d(n): 32
Complete list of divisors:
1 2 3 6 137 274 347 411 487 694 822 974 1041 1461 2082 2922 47539 66719 95078 133438 142617 168989 200157 285234 337978 400314 506967 1013934 23151493 46302986 69454479 138908958
Sum of all divisors σ(n): 281228544
Sum of proper divisors (its aliquot sum) s(n): 142319586
138908958 is an abundant number, because the sum of its proper divisors (142319586) is greater than itself. Its abundance is 3410628

Bases of 138908958

Binary: 1000010001111001010100011110₂
Hexadecimal: 0x847951E
Base-36: 2APAU6

Squares and roots of 138908958

138908958 squared (138908958²) is 19295698612645764
138908958 cubed (138908958³) is 2680345388164668700353912
The square root of 138908958 is 11785.9644492931
The cube root of 138908958 is 517.8970268821

Scales and comparisons

How big is 138908958?

138,908,958 seconds is equal to 4 years, 21 weeks, 4 days, 17 hours, 49 minutes, 18 seconds.
To count from 1 to 138,908,958 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 138908958 cubic inches would be around 43.2 feet tall.

Recreational maths with 138908958

138908958 backwards is 859809831
The number of decimal digits it has is: 9
The sum of 138908958's digits is 51
More coming soon!

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The information we have on file for 138908958 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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