138939130
138,939,130 is an even composite number composed of six prime numbers multiplied together.
138939130 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 138939130:
2 × 5 × 11 × 17 × 191 × 389
See below for interesting mathematical facts about the number 138939130 from the Numbermatics database.
Names of 138939130
- Cardinal: 138939130 can be written as One hundred thirty-eight million, nine hundred thirty-nine thousand, one hundred thirty.
Scientific notation
- Scientific notation: 1.3893913 × 108
Factors of 138939130
Divisors of 138939130
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 5 10 11 17 22 34 55 85 110 170 187 191 374 382 389 778 935 955 1870 1910 1945 2101 3247 3890 4202 4279 6494 6613 8558 10505 13226 16235 21010 21395 32470 33065 35717 42790 66130 71434 72743 74299 145486 148598 178585 357170 363715 371495 727430 742990 817289 1263083 1634578 2526166 4086445 6315415 8172890 12630830 13893913 27787826 69469565 138939130
- Sum of all divisors σ(n): 291133440
- Sum of proper divisors (its aliquot sum) s(n): 152194310
- 138939130 is an abundant number, because the sum of its proper divisors (152194310) is greater than itself. Its abundance is 13255180
Bases of 138939130
- Binary: 10000100100000001010111110102
- Hexadecimal: 0x8480AFA
- Base-36: 2APY4A
Squares and roots of 138939130
- 138939130 squared (1389391302) is 19304081845156900
- 138939130 cubed (1389391303) is 2682092337014894399497000
-
The
square root of 138939130 is 11787.2443768681 -
The
cube root of 138939130 is 517.9345211231
Scales and comparisons
How big is 138939130?- 138,939,130 seconds is equal to 4 years, 21 weeks, 5 days, 2 hours, 12 minutes, 10 seconds.
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To count from 1 to 138,939,130 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 138939130 cubic inches would be around 43.2 feet tall.
Recreational maths with 138939130
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The information we have on file for 138939130 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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