138623643

138,623,643 is an odd composite number composed of three prime numbers multiplied together.

What does the number 138623643 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 20 divisors.

138623643 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twenty divisors.

Prime factorization of 138623643:

3⁴ × 983 × 1741

(3 × 3 × 3 × 3 × 983 × 1741)

See below for interesting mathematical facts about the number 138623643 from the Numbermatics database.

Names of 138623643

Cardinal: 138623643 can be written as One hundred thirty-eight million, six hundred twenty-three thousand, six hundred forty-three.

Scientific notation

Scientific notation: 1.38623643 × 10⁸

Factors of 138623643

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 6
Sum of prime factors: 2727

Divisors of 138623643

Number of divisors d(n): 20
Complete list of divisors:
1 3 9 27 81 983 1741 2949 5223 8847 15669 26541 47007 79623 141021 1711403 5134209 15402627 46207881 138623643
Sum of all divisors σ(n): 207409488
Sum of proper divisors (its aliquot sum) s(n): 68785845
138623643 is a deficient number, because the sum of its proper divisors (68785845) is less than itself. Its deficiency is 69837798

Bases of 138623643

Binary: 1000010000110011101010011011₂
Hexadecimal: 0x8433A9B
Base-36: 2AJ6OR

Squares and roots of 138623643

138623643 squared (138623643²) is 19216514398591449
138623643 cubed (138623643³) is 2663863231694700729028707
The square root of 138623643 is 11773.8542117693
The cube root of 138623643 is 517.5422019773

Scales and comparisons

How big is 138623643?

138,623,643 seconds is equal to 4 years, 21 weeks, 1 day, 10 hours, 34 minutes, 3 seconds.
To count from 1 to 138,623,643 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 138623643 cubic inches would be around 43.1 feet tall.

Recreational maths with 138623643

138623643 backwards is 346326831
The number of decimal digits it has is: 9
The sum of 138623643's digits is 36
More coming soon!

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The information we have on file for 138623643 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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