138492928
138,492,928 is an even composite number composed of three prime numbers multiplied together.
138492928 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of sixty-six divisors.
Prime factorization of 138492928:
210 × 7 × 1392
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 7 × 139 × 139)See below for interesting mathematical facts about the number 138492928 from the Numbermatics database.
Names of 138492928
- Cardinal: 138492928 can be written as One hundred thirty-eight million, four hundred ninety-two thousand, nine hundred twenty-eight.
Scientific notation
- Scientific notation: 1.38492928 × 108
Factors of 138492928
Divisors of 138492928
- Number of divisors d(n): 66
-
Complete list of divisors:
1 2 4 7 8 14 16 28 32 56 64 112 128 139 224 256 278 448 512 556 896 973 1024 1112 1792 1946 2224 3584 3892 4448 7168 7784 8896 15568 17792 19321 31136 35584 38642 62272 71168 77284 124544 135247 142336 154568 249088 270494 309136 498176 540988 618272 996352 1081976 1236544 2163952 2473088 4327904 4946176 8655808 9892352 17311616 19784704 34623232 69246464 138492928
- Sum of all divisors σ(n): 318693336
- Sum of proper divisors (its aliquot sum) s(n): 180200408
- 138492928 is an abundant number, because the sum of its proper divisors (180200408) is greater than itself. Its abundance is 41707480
Bases of 138492928
- Binary: 10000100000100111100000000002
- Hexadecimal: 0x8413C00
- Base-36: 2AGDTS
Squares and roots of 138492928
- 138492928 squared (1384929282) is 19180291106013184
- 138492928 cubed (1384929283) is 2656334675164124258762752
-
The
square root of 138492928 is 11768.3018316153 -
The
cube root of 138492928 is 517.3794788847
Scales and comparisons
How big is 138492928?- 138,492,928 seconds is equal to 4 years, 20 weeks, 6 days, 22 hours, 15 minutes, 28 seconds.
-
To count from 1 to 138,492,928 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 138492928 cubic inches would be around 43.1 feet tall.
Recreational maths with 138492928
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The information we have on file for 138492928 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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