138979840
138,979,840 is an even composite number composed of three prime numbers multiplied together.
138979840 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of sixty divisors.
Prime factorization of 138979840:
29 × 5 × 2332
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 233 × 233)See below for interesting mathematical facts about the number 138979840 from the Numbermatics database.
Names of 138979840
- Cardinal: 138979840 can be written as One hundred thirty-eight million, nine hundred seventy-nine thousand, eight hundred forty.
Scientific notation
- Scientific notation: 1.3897984 × 108
Factors of 138979840
Divisors of 138979840
- Number of divisors d(n): 60
-
Complete list of divisors:
1 2 4 5 8 10 16 20 32 40 64 80 128 160 233 256 320 466 512 640 932 1165 1280 1864 2330 2560 3728 4660 7456 9320 14912 18640 29824 37280 54289 59648 74560 108578 119296 149120 217156 271445 298240 434312 542890 596480 868624 1085780 1737248 2171560 3474496 4343120 6948992 8686240 13897984 17372480 27795968 34744960 69489920 138979840
- Sum of all divisors σ(n): 334662174
- Sum of proper divisors (its aliquot sum) s(n): 195682334
- 138979840 is an abundant number, because the sum of its proper divisors (195682334) is greater than itself. Its abundance is 56702494
Bases of 138979840
- Binary: 10000100100010101010000000002
- Hexadecimal: 0x848AA00
- Base-36: 2AQTJ4
Squares and roots of 138979840
- 138979840 squared (1389798402) is 19315395926425600
- 138979840 cubed (1389798403) is 2684450635391281659904000
-
The
square root of 138979840 is 11788.9711171077 -
The
cube root of 138979840 is 517.9851021589
Scales and comparisons
How big is 138979840?- 138,979,840 seconds is equal to 4 years, 21 weeks, 5 days, 13 hours, 30 minutes, 40 seconds.
-
To count from 1 to 138,979,840 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 138979840 cubic inches would be around 43.2 feet tall.
Recreational maths with 138979840
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 138979840 - Facts about the integer". Numbermatics.com. 2024. Web. 2 May 2024.
APA style:
Numbermatics. (2024). Number 138979840 - Facts about the integer. Retrieved 2 May 2024, from https://numbermatics.com/n/138979840/
Chicago style:
Numbermatics. 2024. "Number 138979840 - Facts about the integer". https://numbermatics.com/n/138979840/
The information we have on file for 138979840 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 138979840, math, Factors of 138979840, curriculum, school, college, exams, university, Prime factorization of 138979840, STEM, science, technology, engineering, physics, economics, calculator, one hundred thirty-eight million, nine hundred seventy-nine thousand, eight hundred forty.