138393472
138,393,472 is an even composite number composed of four prime numbers multiplied together.
138393472 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 138393472:
27 × 7 × 257 × 601
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 7 × 257 × 601)See below for interesting mathematical facts about the number 138393472 from the Numbermatics database.
Names of 138393472
- Cardinal: 138393472 can be written as One hundred thirty-eight million, three hundred ninety-three thousand, four hundred seventy-two.
Scientific notation
- Scientific notation: 1.38393472 × 108
Factors of 138393472
Divisors of 138393472
- Number of divisors d(n): 64
-
Complete list of divisors:
1 2 4 7 8 14 16 28 32 56 64 112 128 224 257 448 514 601 896 1028 1202 1799 2056 2404 3598 4112 4207 4808 7196 8224 8414 9616 14392 16448 16828 19232 28784 32896 33656 38464 57568 67312 76928 115136 134624 154457 230272 269248 308914 538496 617828 1081199 1235656 2162398 2471312 4324796 4942624 8649592 9885248 17299184 19770496 34598368 69196736 138393472
- Sum of all divisors σ(n): 316844640
- Sum of proper divisors (its aliquot sum) s(n): 178451168
- 138393472 is an abundant number, because the sum of its proper divisors (178451168) is greater than itself. Its abundance is 40057696
Bases of 138393472
- Binary: 10000011111110110111100000002
- Hexadecimal: 0x83FB780
- Base-36: 2AE934
Squares and roots of 138393472
- 138393472 squared (1383934722) is 19152753092214784
- 138393472 cubed (1383934723) is 2650615998790340127490048
-
The
square root of 138393472 is 11764.0754842867 -
The
cube root of 138393472 is 517.2556005595
Scales and comparisons
How big is 138393472?- 138,393,472 seconds is equal to 4 years, 20 weeks, 5 days, 18 hours, 37 minutes, 52 seconds.
-
To count from 1 to 138,393,472 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 138393472 cubic inches would be around 43.1 feet tall.
Recreational maths with 138393472
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The information we have on file for 138393472 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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