138894678

138,894,678 is an even composite number composed of four prime numbers multiplied together.

What does the number 138894678 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 36 divisors.

138894678 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-six divisors.

Prime factorization of 138894678:

2 × 3² × 13² × 45659

(2 × 3 × 3 × 13 × 13 × 45659)

See below for interesting mathematical facts about the number 138894678 from the Numbermatics database.

Names of 138894678

Cardinal: 138894678 can be written as One hundred thirty-eight million, eight hundred ninety-four thousand, six hundred seventy-eight.

Scientific notation

Scientific notation: 1.38894678 × 10⁸

Factors of 138894678

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 6
Sum of prime factors: 45677

Divisors of 138894678

Number of divisors d(n): 36
Complete list of divisors:
1 2 3 6 9 13 18 26 39 78 117 169 234 338 507 1014 1521 3042 45659 91318 136977 273954 410931 593567 821862 1187134 1780701 3561402 5342103 7716371 10684206 15432742 23149113 46298226 69447339 138894678
Sum of all divisors σ(n): 325875420
Sum of proper divisors (its aliquot sum) s(n): 186980742
138894678 is an abundant number, because the sum of its proper divisors (186980742) is greater than itself. Its abundance is 48086064

Bases of 138894678

Binary: 1000010001110101110101010110₂
Hexadecimal: 0x8475D56
Base-36: 2AOZTI

Squares and roots of 138894678

138894678 squared (138894678²) is 19291731576723684
138894678 cubed (138894678³) is 2679518845411468384153752
The square root of 138894678 is 11785.3586283999
The cube root of 138894678 is 517.8792794713

Scales and comparisons

How big is 138894678?

138,894,678 seconds is equal to 4 years, 21 weeks, 4 days, 13 hours, 51 minutes, 18 seconds.
To count from 1 to 138,894,678 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 138894678 cubic inches would be around 43.2 feet tall.

Recreational maths with 138894678

138894678 backwards is 876498831
The number of decimal digits it has is: 9
The sum of 138894678's digits is 54
More coming soon!

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The information we have on file for 138894678 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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