138638208
138,638,208 is an even composite number composed of four prime numbers multiplied together.
138638208 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 138638208:
27 × 3 × 223 × 1619
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 223 × 1619)See below for interesting mathematical facts about the number 138638208 from the Numbermatics database.
Names of 138638208
- Cardinal: 138638208 can be written as One hundred thirty-eight million, six hundred thirty-eight thousand, two hundred eight.
Scientific notation
- Scientific notation: 1.38638208 × 108
Factors of 138638208
Divisors of 138638208
- Number of divisors d(n): 64
-
Complete list of divisors:
1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 223 384 446 669 892 1338 1619 1784 2676 3238 3568 4857 5352 6476 7136 9714 10704 12952 14272 19428 21408 25904 28544 38856 42816 51808 77712 85632 103616 155424 207232 310848 361037 621696 722074 1083111 1444148 2166222 2888296 4332444 5776592 8664888 11553184 17329776 23106368 34659552 46212736 69319104 138638208
- Sum of all divisors σ(n): 370137600
- Sum of proper divisors (its aliquot sum) s(n): 231499392
- 138638208 is an abundant number, because the sum of its proper divisors (231499392) is greater than itself. Its abundance is 92861184
Bases of 138638208
- Binary: 10000100001101110011100000002
- Hexadecimal: 0x8437380
- Base-36: 2AJHXC
Squares and roots of 138638208
- 138638208 squared (1386382082) is 19220552717451264
- 138638208 cubed (1386382083) is 2664702985516973568294912
-
The
square root of 138638208 is 11774.4727270481 -
The
cube root of 138638208 is 517.5603271639
Scales and comparisons
How big is 138638208?- 138,638,208 seconds is equal to 4 years, 21 weeks, 1 day, 14 hours, 36 minutes, 48 seconds.
-
To count from 1 to 138,638,208 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 138638208 cubic inches would be around 43.1 feet tall.
Recreational maths with 138638208
Link to this page
HTML: To link to this page, just copy and paste the link below into your blog, web page or email.
BBCODE: To link to this page in a forum post or comment box, just copy and paste the link code below:
Cite this page
MLA style:
"Number 138638208 - Facts about the integer". Numbermatics.com. 2024. Web. 15 May 2024.
APA style:
Numbermatics. (2024). Number 138638208 - Facts about the integer. Retrieved 15 May 2024, from https://numbermatics.com/n/138638208/
Chicago style:
Numbermatics. 2024. "Number 138638208 - Facts about the integer". https://numbermatics.com/n/138638208/
The information we have on file for 138638208 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!
Keywords: Divisors of 138638208, math, Factors of 138638208, curriculum, school, college, exams, university, Prime factorization of 138638208, STEM, science, technology, engineering, physics, economics, calculator, one hundred thirty-eight million, six hundred thirty-eight thousand, two hundred eight.