138391480
138,391,480 is an even composite number composed of five prime numbers multiplied together.
138391480 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 138391480:
23 × 5 × 29 × 53 × 2251
(2 × 2 × 2 × 5 × 29 × 53 × 2251)See below for interesting mathematical facts about the number 138391480 from the Numbermatics database.
Names of 138391480
- Cardinal: 138391480 can be written as One hundred thirty-eight million, three hundred ninety-one thousand, four hundred eighty.
Scientific notation
- Scientific notation: 1.3839148 × 108
Factors of 138391480
Divisors of 138391480
- Number of divisors d(n): 64
-
Complete list of divisors:
1 2 4 5 8 10 20 29 40 53 58 106 116 145 212 232 265 290 424 530 580 1060 1160 1537 2120 2251 3074 4502 6148 7685 9004 11255 12296 15370 18008 22510 30740 45020 61480 65279 90040 119303 130558 238606 261116 326395 477212 522232 596515 652790 954424 1193030 1305580 2386060 2611160 3459787 4772120 6919574 13839148 17298935 27678296 34597870 69195740 138391480
- Sum of all divisors σ(n): 328341600
- Sum of proper divisors (its aliquot sum) s(n): 189950120
- 138391480 is an abundant number, because the sum of its proper divisors (189950120) is greater than itself. Its abundance is 51558640
Bases of 138391480
- Binary: 10000011111110101111101110002
- Hexadecimal: 0x83FAFB8
- Base-36: 2AE7JS
Squares and roots of 138391480
- 138391480 squared (1383914802) is 19152201736590400
- 138391480 cubed (1383914803) is 2650501543585315609792000
-
The
square root of 138391480 is 11763.9908194455 -
The
cube root of 138391480 is 517.2531187997
Scales and comparisons
How big is 138391480?- 138,391,480 seconds is equal to 4 years, 20 weeks, 5 days, 18 hours, 4 minutes, 40 seconds.
-
To count from 1 to 138,391,480 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 138391480 cubic inches would be around 43.1 feet tall.
Recreational maths with 138391480
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The information we have on file for 138391480 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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