138928440
138,928,440 is an even composite number composed of five prime numbers multiplied together.
138928440 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 138928440:
23 × 3 × 5 × 7 × 165391
(2 × 2 × 2 × 3 × 5 × 7 × 165391)See below for interesting mathematical facts about the number 138928440 from the Numbermatics database.
Names of 138928440
- Cardinal: 138928440 can be written as One hundred thirty-eight million, nine hundred twenty-eight thousand, four hundred forty.
Scientific notation
- Scientific notation: 1.3892844 × 108
Factors of 138928440
Divisors of 138928440
- Number of divisors d(n): 64
-
Complete list of divisors:
1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 84 105 120 140 168 210 280 420 840 165391 330782 496173 661564 826955 992346 1157737 1323128 1653910 1984692 2315474 2480865 3307820 3473211 3969384 4630948 4961730 5788685 6615640 6946422 9261896 9923460 11577370 13892844 17366055 19846920 23154740 27785688 34732110 46309480 69464220 138928440
- Sum of all divisors σ(n): 476328960
- Sum of proper divisors (its aliquot sum) s(n): 337400520
- 138928440 is an abundant number, because the sum of its proper divisors (337400520) is greater than itself. Its abundance is 198472080
Bases of 138928440
- Binary: 10000100011111100001001110002
- Hexadecimal: 0x847E138
- Base-36: 2APPVC
Squares and roots of 138928440
- 138928440 squared (1389284402) is 19301111440833600
- 138928440 cubed (1389284403) is 2681473302741164347584000
-
The
square root of 138928440 is 11786.7909118641 -
The
cube root of 138928440 is 517.9212374595
Scales and comparisons
How big is 138928440?- 138,928,440 seconds is equal to 4 years, 21 weeks, 4 days, 23 hours, 14 minutes.
-
To count from 1 to 138,928,440 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 138928440 cubic inches would be around 43.2 feet tall.
Recreational maths with 138928440
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 138928440 - Facts about the integer". Numbermatics.com. 2024. Web. 5 May 2024.
APA style:
Numbermatics. (2024). Number 138928440 - Facts about the integer. Retrieved 5 May 2024, from https://numbermatics.com/n/138928440/
Chicago style:
Numbermatics. 2024. "Number 138928440 - Facts about the integer". https://numbermatics.com/n/138928440/
The information we have on file for 138928440 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 138928440, math, Factors of 138928440, curriculum, school, college, exams, university, Prime factorization of 138928440, STEM, science, technology, engineering, physics, economics, calculator, one hundred thirty-eight million, nine hundred twenty-eight thousand, four hundred forty.