138924830
138,924,830 is an even composite number composed of six prime numbers multiplied together.
138924830 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 138924830:
2 × 5 × 11 × 23 × 43 × 1277
See below for interesting mathematical facts about the number 138924830 from the Numbermatics database.
Names of 138924830
- Cardinal: 138924830 can be written as One hundred thirty-eight million, nine hundred twenty-four thousand, eight hundred thirty.
Scientific notation
- Scientific notation: 1.3892483 × 108
Factors of 138924830
Divisors of 138924830
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 5 10 11 22 23 43 46 55 86 110 115 215 230 253 430 473 506 946 989 1265 1277 1978 2365 2530 2554 4730 4945 6385 9890 10879 12770 14047 21758 28094 29371 54395 54911 58742 70235 108790 109822 140470 146855 274555 293710 323081 549110 604021 646162 1208042 1262953 1615405 2525906 3020105 3230810 6040210 6314765 12629530 13892483 27784966 69462415 138924830
- Sum of all divisors σ(n): 291506688
- Sum of proper divisors (its aliquot sum) s(n): 152581858
- 138924830 is an abundant number, because the sum of its proper divisors (152581858) is greater than itself. Its abundance is 13657028
Bases of 138924830
- Binary: 10000100011111010011000111102
- Hexadecimal: 0x847D31E
- Base-36: 2APN32
Squares and roots of 138924830
- 138924830 squared (1389248302) is 19300108390528900
- 138924830 cubed (1389248303) is 2681264277135801042587000
-
The
square root of 138924830 is 11786.6377733431 -
The
cube root of 138924830 is 517.9167514285
Scales and comparisons
How big is 138924830?- 138,924,830 seconds is equal to 4 years, 21 weeks, 4 days, 22 hours, 13 minutes, 50 seconds.
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To count from 1 to 138,924,830 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 138924830 cubic inches would be around 43.2 feet tall.
Recreational maths with 138924830
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The information we have on file for 138924830 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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