138399872
138,399,872 is an even composite number composed of four prime numbers multiplied together.
What does the number 138399872 look like?
This visualization shows the relationship between its 4 prime factors (large circles) and 64 divisors.
138399872 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 138399872:
27 × 13 × 31 × 2683
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 13 × 31 × 2683)See below for interesting mathematical facts about the number 138399872 from the Numbermatics database.
Names of 138399872
- Cardinal: 138399872 can be written as One hundred thirty-eight million, three hundred ninety-nine thousand, eight hundred seventy-two.
Scientific notation
- Scientific notation: 1.38399872 × 108
Factors of 138399872
Divisors of 138399872
- Number of divisors d(n): 64
-
Complete list of divisors:
1 2 4 8 13 16 26 31 32 52 62 64 104 124 128 208 248 403 416 496 806 832 992 1612 1664 1984 2683 3224 3968 5366 6448 10732 12896 21464 25792 34879 42928 51584 69758 83173 85856 139516 166346 171712 279032 332692 343424 558064 665384 1081249 1116128 1330768 2162498 2232256 2661536 4324996 4464512 5323072 8649992 10646144 17299984 34599968 69199936 138399872
- Sum of all divisors σ(n): 306620160
- Sum of proper divisors (its aliquot sum) s(n): 168220288
- 138399872 is an abundant number, because the sum of its proper divisors (168220288) is greater than itself. Its abundance is 29820416
Bases of 138399872
- Binary: 10000011111111010000100000002
- Hexadecimal: 0x83FD080
- Base-36: 2AEE0W
Squares and roots of 138399872
- 138399872 squared (1383998722) is 19154524569616384
- 138399872 cubed (1383998723) is 2650983748655762634702848
-
The
square root of 138399872 is 11764.3474957179 -
The
cube root of 138399872 is 517.2635739243
Scales and comparisons
How big is 138399872?- 138,399,872 seconds is equal to 4 years, 20 weeks, 5 days, 20 hours, 24 minutes, 32 seconds.
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To count from 1 to 138,399,872 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 138399872 cubic inches would be around 43.1 feet tall.
Recreational maths with 138399872
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The information we have on file for 138399872 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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