138540990
138,540,990 is an even composite number composed of seven prime numbers multiplied together.
138540990 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 138540990:
2 × 3 × 5 × 7 × 17 × 151 × 257
See below for interesting mathematical facts about the number 138540990 from the Numbermatics database.
Names of 138540990
- Cardinal: 138540990 can be written as One hundred thirty-eight million, five hundred forty thousand, nine hundred ninety.
Scientific notation
- Scientific notation: 1.3854099 × 108
Factors of 138540990
Divisors of 138540990
- Number of divisors d(n): 128
-
Complete list of divisors:
1 2 3 5 6 7 10 14 15 17 21 30 34 35 42 51 70 85 102 105 119 151 170 210 238 255 257 302 357 453 510 514 595 714 755 771 906 1057 1190 1285 1510 1542 1785 1799 2114 2265 2567 2570 3171 3570 3598 3855 4369 4530 5134 5285 5397 6342 7701 7710 8738 8995 10570 10794 12835 13107 15402 15855 17969 17990 21845 25670 26214 26985 30583 31710 35938 38505 38807 43690 53907 53970 61166 65535 77010 77614 89845 91749 107814 116421 131070 152915 179690 183498 194035 232842 269535 271649 305830 388070 458745 539070 543298 582105 659719 814947 917490 1164210 1319438 1358245 1629894 1979157 2716490 3298595 3958314 4074735 4618033 6597190 8149470 9236066 9895785 13854099 19791570 23090165 27708198 46180330 69270495 138540990
- Sum of all divisors σ(n): 406591488
- Sum of proper divisors (its aliquot sum) s(n): 268050498
- 138540990 is an abundant number, because the sum of its proper divisors (268050498) is greater than itself. Its abundance is 129509508
Bases of 138540990
- Binary: 10000100000111110111101111102
- Hexadecimal: 0x841F7BE
- Base-36: 2AHEWU
Squares and roots of 138540990
- 138540990 squared (1385409902) is 19193605910180100
- 138540990 cubed (1385409903) is 2659101164466202132299000
-
The
square root of 138540990 is 11770.3436653311 -
The
cube root of 138540990 is 517.4393216913
Scales and comparisons
How big is 138540990?- 138,540,990 seconds is equal to 4 years, 21 weeks, 11 hours, 36 minutes, 30 seconds.
-
To count from 1 to 138,540,990 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 138540990 cubic inches would be around 43.1 feet tall.
Recreational maths with 138540990
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 138540990 - Facts about the integer". Numbermatics.com. 2024. Web. 30 May 2024.
APA style:
Numbermatics. (2024). Number 138540990 - Facts about the integer. Retrieved 30 May 2024, from https://numbermatics.com/n/138540990/
Chicago style:
Numbermatics. 2024. "Number 138540990 - Facts about the integer". https://numbermatics.com/n/138540990/
The information we have on file for 138540990 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 138540990, math, Factors of 138540990, curriculum, school, college, exams, university, Prime factorization of 138540990, STEM, science, technology, engineering, physics, economics, calculator, one hundred thirty-eight million, five hundred forty thousand, nine hundred ninety.