138828640

138,828,640 is an even composite number composed of three prime numbers multiplied together.

What does the number 138828640 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 24 divisors.

138828640 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twenty-four divisors.

Prime factorization of 138828640:

2⁵ × 5 × 867679

(2 × 2 × 2 × 2 × 2 × 5 × 867679)

See below for interesting mathematical facts about the number 138828640 from the Numbermatics database.

Names of 138828640

Cardinal: 138828640 can be written as One hundred thirty-eight million, eight hundred twenty-eight thousand, six hundred forty.

Scientific notation

Scientific notation: 1.3882864 × 10⁸

Factors of 138828640

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 7
Sum of prime factors: 867686

Divisors of 138828640

Number of divisors d(n): 24
Complete list of divisors:
1 2 4 5 8 10 16 20 32 40 80 160 867679 1735358 3470716 4338395 6941432 8676790 13882864 17353580 27765728 34707160 69414320 138828640
Sum of all divisors σ(n): 327983040
Sum of proper divisors (its aliquot sum) s(n): 189154400
138828640 is an abundant number, because the sum of its proper divisors (189154400) is greater than itself. Its abundance is 50325760

Bases of 138828640

Binary: 1000010001100101101101100000₂
Hexadecimal: 0x8465B60
Base-36: 2ANKV4

Squares and roots of 138828640

138828640 squared (138828640²) is 19273391284249600
138828640 cubed (138828640³) is 2675698700180225388544000
The square root of 138828640 is 11782.5565986337
The cube root of 138828640 is 517.7971905727

Scales and comparisons

How big is 138828640?

138,828,640 seconds is equal to 4 years, 21 weeks, 3 days, 19 hours, 30 minutes, 40 seconds.
To count from 1 to 138,828,640 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 138828640 cubic inches would be around 43.1 feet tall.

Recreational maths with 138828640

138828640 backwards is 046828831
138828640 is a Harshad number.
The number of decimal digits it has is: 9
The sum of 138828640's digits is 40
More coming soon!

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The information we have on file for 138828640 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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