138609688

138,609,688 is an even composite number composed of four prime numbers multiplied together.

What does the number 138609688 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 32 divisors.

138609688 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 138609688:

2³ × 7 × 139 × 17807

(2 × 2 × 2 × 7 × 139 × 17807)

See below for interesting mathematical facts about the number 138609688 from the Numbermatics database.

Names of 138609688

Cardinal: 138609688 can be written as One hundred thirty-eight million, six hundred nine thousand, six hundred eighty-eight.

Scientific notation

Scientific notation: 1.38609688 × 10⁸

Factors of 138609688

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 6
Sum of prime factors: 17955

Divisors of 138609688

Number of divisors d(n): 32
Complete list of divisors:
1 2 4 7 8 14 28 56 139 278 556 973 1112 1946 3892 7784 17807 35614 71228 124649 142456 249298 498596 997192 2475173 4950346 9900692 17326211 19801384 34652422 69304844 138609688
Sum of all divisors σ(n): 299174400
Sum of proper divisors (its aliquot sum) s(n): 160564712
138609688 is an abundant number, because the sum of its proper divisors (160564712) is greater than itself. Its abundance is 21955024

Bases of 138609688

Binary: 1000010000110000010000011000₂
Hexadecimal: 0x8430418
Base-36: 2AIVX4

Squares and roots of 138609688

138609688 squared (138609688²) is 19212645607457344
138609688 cubed (138609688³) is 2663058813304232925148672
The square root of 138609688 is 11773.2615701851
The cube root of 138609688 is 517.5248347047

Scales and comparisons

How big is 138609688?

138,609,688 seconds is equal to 4 years, 21 weeks, 1 day, 6 hours, 41 minutes, 28 seconds.
To count from 1 to 138,609,688 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 138609688 cubic inches would be around 43.1 feet tall.

Recreational maths with 138609688

138609688 backwards is 886906831
The number of decimal digits it has is: 9
The sum of 138609688's digits is 49
More coming soon!

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The information we have on file for 138609688 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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