138691872
138,691,872 is an even composite number composed of four prime numbers multiplied together.
138691872 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 138691872:
25 × 33 × 11 × 14593
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 11 × 14593)See below for interesting mathematical facts about the number 138691872 from the Numbermatics database.
Names of 138691872
- Cardinal: 138691872 can be written as One hundred thirty-eight million, six hundred ninety-one thousand, eight hundred seventy-two.
Scientific notation
- Scientific notation: 1.38691872 × 108
Factors of 138691872
Divisors of 138691872
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 3 4 6 8 9 11 12 16 18 22 24 27 32 33 36 44 48 54 66 72 88 96 99 108 132 144 176 198 216 264 288 297 352 396 432 528 594 792 864 1056 1188 1584 2376 3168 4752 9504 14593 29186 43779 58372 87558 116744 131337 160523 175116 233488 262674 321046 350232 394011 466976 481569 525348 642092 700464 788022 963138 1050696 1284184 1400928 1444707 1576044 1926276 2101392 2568368 2889414 3152088 3852552 4202784 4334121 5136736 5778828 6304176 7705104 8668242 11557656 12608352 15410208 17336484 23115312 34672968 46230624 69345936 138691872
- Sum of all divisors σ(n): 441322560
- Sum of proper divisors (its aliquot sum) s(n): 302630688
- 138691872 is an abundant number, because the sum of its proper divisors (302630688) is greater than itself. Its abundance is 163938816
Bases of 138691872
- Binary: 10000100010001000101001000002
- Hexadecimal: 0x8444520
- Base-36: 2AKNC0
Squares and roots of 138691872
- 138691872 squared (1386918722) is 19235435358864384
- 138691872 cubed (1386918723) is 2667798538655893211086848
-
The
square root of 138691872 is 11776.7513347273 -
The
cube root of 138691872 is 517.6270975369
Scales and comparisons
How big is 138691872?- 138,691,872 seconds is equal to 4 years, 21 weeks, 2 days, 5 hours, 31 minutes, 12 seconds.
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To count from 1 to 138,691,872 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 138691872 cubic inches would be around 43.1 feet tall.
Recreational maths with 138691872
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The information we have on file for 138691872 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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