129438950
129,438,950 is an even composite number composed of five prime numbers multiplied together.
129438950 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 129438950:
2 × 52 × 31 × 372 × 61
(2 × 5 × 5 × 31 × 37 × 37 × 61)See below for interesting mathematical facts about the number 129438950 from the Numbermatics database.
Names of 129438950
- Cardinal: 129438950 can be written as One hundred twenty-nine million, four hundred thirty-eight thousand, nine hundred fifty.
Scientific notation
- Scientific notation: 1.2943895 × 108
Factors of 129438950
Divisors of 129438950
- Number of divisors d(n): 72
-
Complete list of divisors:
1 2 5 10 25 31 37 50 61 62 74 122 155 185 305 310 370 610 775 925 1147 1369 1525 1550 1850 1891 2257 2294 2738 3050 3782 4514 5735 6845 9455 11285 11470 13690 18910 22570 28675 34225 42439 47275 56425 57350 68450 69967 83509 84878 94550 112850 139934 167018 212195 349835 417545 424390 699670 835090 1060975 1749175 2087725 2121950 2588779 3498350 4175450 5177558 12943895 25887790 64719475 129438950
- Sum of all divisors σ(n): 259608384
- Sum of proper divisors (its aliquot sum) s(n): 130169434
- 129438950 is an abundant number, because the sum of its proper divisors (130169434) is greater than itself. Its abundance is 730484
Bases of 129438950
- Binary: 1111011011100010100111001102
- Hexadecimal: 0x7B714E6
- Base-36: 252BQE
Squares and roots of 129438950
- 129438950 squared (1294389502) is 16754441777102500
- 129438950 cubed (1294389503) is 2168677351464281642375000
-
The
square root of 129438950 is 11377.1239775261 -
The
cube root of 129438950 is 505.8498906385
Scales and comparisons
How big is 129438950?- 129,438,950 seconds is equal to 4 years, 6 weeks, 3 hours, 15 minutes, 50 seconds.
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To count from 1 to 129,438,950 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 129438950 cubic inches would be around 42.2 feet tall.
Recreational maths with 129438950
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The information we have on file for 129438950 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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