138825820
138,825,820 is an even composite number composed of four prime numbers multiplied together.
138825820 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of eighty-four divisors.
Prime factorization of 138825820:
22 × 5 × 76 × 59
(2 × 2 × 5 × 7 × 7 × 7 × 7 × 7 × 7 × 59)See below for interesting mathematical facts about the number 138825820 from the Numbermatics database.
Names of 138825820
- Cardinal: 138825820 can be written as One hundred thirty-eight million, eight hundred twenty-five thousand, eight hundred twenty.
Scientific notation
- Scientific notation: 1.3882582 × 108
Factors of 138825820
Divisors of 138825820
- Number of divisors d(n): 84
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Complete list of divisors:
1 2 4 5 7 10 14 20 28 35 49 59 70 98 118 140 196 236 245 295 343 413 490 590 686 826 980 1180 1372 1652 1715 2065 2401 2891 3430 4130 4802 5782 6860 8260 9604 11564 12005 14455 16807 20237 24010 28910 33614 40474 48020 57820 67228 80948 84035 101185 117649 141659 168070 202370 235298 283318 336140 404740 470596 566636 588245 708295 991613 1176490 1416590 1983226 2352980 2833180 3966452 4958065 6941291 9916130 13882582 19832260 27765164 34706455 69412910 138825820
- Sum of all divisors σ(n): 345887640
- Sum of proper divisors (its aliquot sum) s(n): 207061820
- 138825820 is an abundant number, because the sum of its proper divisors (207061820) is greater than itself. Its abundance is 68236000
Bases of 138825820
- Binary: 10000100011001010000010111002
- Hexadecimal: 0x846505C
- Base-36: 2ANIOS
Squares and roots of 138825820
- 138825820 squared (1388258202) is 19272608298672400
- 138825820 cubed (1388258203) is 2675535650602000841368000
-
The
square root of 138825820 is 11782.4369295999 -
The
cube root of 138825820 is 517.7936845767
Scales and comparisons
How big is 138825820?- 138,825,820 seconds is equal to 4 years, 21 weeks, 3 days, 18 hours, 43 minutes, 40 seconds.
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To count from 1 to 138,825,820 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 138825820 cubic inches would be around 43.1 feet tall.
Recreational maths with 138825820
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The information we have on file for 138825820 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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