138620390
138,620,390 is an even composite number composed of five prime numbers multiplied together.
138620390 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 138620390:
2 × 5 × 193 × 43 × 47
(2 × 5 × 19 × 19 × 19 × 43 × 47)See below for interesting mathematical facts about the number 138620390 from the Numbermatics database.
Names of 138620390
- Cardinal: 138620390 can be written as One hundred thirty-eight million, six hundred twenty thousand, three hundred ninety.
Scientific notation
- Scientific notation: 1.3862039 × 108
Factors of 138620390
Divisors of 138620390
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 5 10 19 38 43 47 86 94 95 190 215 235 361 430 470 722 817 893 1634 1786 1805 2021 3610 4042 4085 4465 6859 8170 8930 10105 13718 15523 16967 20210 31046 33934 34295 38399 68590 76798 77615 84835 155230 169670 191995 294937 322373 383990 589874 644746 729581 1459162 1474685 1611865 2949370 3223730 3647905 7295810 13862039 27724078 69310195 138620390
- Sum of all divisors σ(n): 275235840
- Sum of proper divisors (its aliquot sum) s(n): 136615450
- 138620390 is a deficient number, because the sum of its proper divisors (136615450) is less than itself. Its deficiency is 2004940
Bases of 138620390
- Binary: 10000100001100101101111001102
- Hexadecimal: 0x8432DE6
- Base-36: 2AJ46E
Squares and roots of 138620390
- 138620390 squared (1386203902) is 19215612523752100
- 138620390 cubed (1386203903) is 2663675702131400365319000
-
The
square root of 138620390 is 11773.7160658817 -
The
cube root of 138620390 is 517.5381536589
Scales and comparisons
How big is 138620390?- 138,620,390 seconds is equal to 4 years, 21 weeks, 1 day, 9 hours, 39 minutes, 50 seconds.
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To count from 1 to 138,620,390 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 138620390 cubic inches would be around 43.1 feet tall.
Recreational maths with 138620390
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The information we have on file for 138620390 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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