138688650
138,688,650 is an even composite number composed of five prime numbers multiplied together.
138688650 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 138688650:
2 × 32 × 52 × 41 × 7517
(2 × 3 × 3 × 5 × 5 × 41 × 7517)See below for interesting mathematical facts about the number 138688650 from the Numbermatics database.
Names of 138688650
- Cardinal: 138688650 can be written as One hundred thirty-eight million, six hundred eighty-eight thousand, six hundred fifty.
Scientific notation
- Scientific notation: 1.3868865 × 108
Factors of 138688650
Divisors of 138688650
- Number of divisors d(n): 72
-
Complete list of divisors:
1 2 3 5 6 9 10 15 18 25 30 41 45 50 75 82 90 123 150 205 225 246 369 410 450 615 738 1025 1230 1845 2050 3075 3690 6150 7517 9225 15034 18450 22551 37585 45102 67653 75170 112755 135306 187925 225510 308197 338265 375850 563775 616394 676530 924591 1127550 1540985 1691325 1849182 2773773 3081970 3382650 4622955 5547546 7704925 9245910 13868865 15409850 23114775 27737730 46229550 69344325 138688650
- Sum of all divisors σ(n): 381749004
- Sum of proper divisors (its aliquot sum) s(n): 243060354
- 138688650 is an abundant number, because the sum of its proper divisors (243060354) is greater than itself. Its abundance is 104371704
Bases of 138688650
- Binary: 10000100010000111000100010102
- Hexadecimal: 0x844388A
- Base-36: 2AKKUI
Squares and roots of 138688650
- 138688650 squared (1386886502) is 19234541638822500
- 138688650 cubed (1386886503) is 2667612613257080114625000
-
The
square root of 138688650 is 11776.6145389921 -
The
cube root of 138688650 is 517.6230891131
Scales and comparisons
How big is 138688650?- 138,688,650 seconds is equal to 4 years, 21 weeks, 2 days, 4 hours, 37 minutes, 30 seconds.
-
To count from 1 to 138,688,650 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 138688650 cubic inches would be around 43.1 feet tall.
Recreational maths with 138688650
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The information we have on file for 138688650 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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