129538409
129,538,409 is an odd composite number composed of five prime numbers multiplied together.
129538409 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 129538409:
73 × 11 × 13 × 19 × 139
(7 × 7 × 7 × 11 × 13 × 19 × 139)See below for interesting mathematical facts about the number 129538409 from the Numbermatics database.
Names of 129538409
- Cardinal: 129538409 can be written as One hundred twenty-nine million, five hundred thirty-eight thousand, four hundred nine.
Scientific notation
- Scientific notation: 1.29538409 × 108
Factors of 129538409
Divisors of 129538409
- Number of divisors d(n): 64
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Complete list of divisors:
1 7 11 13 19 49 77 91 133 139 143 209 247 343 539 637 931 973 1001 1463 1529 1729 1807 2641 2717 3773 4459 6517 6811 7007 10241 10703 12103 12649 18487 19019 19877 29051 34333 47677 49049 71687 74921 84721 88543 129409 133133 139139 203357 240331 377663 524447 619801 905863 931931 973973 1423499 1682317 2643641 6817811 9964493 11776219 18505487 129538409
- Sum of all divisors σ(n): 188160000
- Sum of proper divisors (its aliquot sum) s(n): 58621591
- 129538409 is a deficient number, because the sum of its proper divisors (58621591) is less than itself. Its deficiency is 70916818
Bases of 129538409
- Binary: 1111011100010011001011010012
- Hexadecimal: 0x7B89969
- Base-36: 254GH5
Squares and roots of 129538409
- 129538409 squared (1295384092) is 16780199406251281
- 129538409 cubed (1295384093) is 2173680333788535594951929
-
The
square root of 129538409 is 11381.4941462007 -
The
cube root of 129538409 is 505.9794200257
Scales and comparisons
How big is 129538409?- 129,538,409 seconds is equal to 4 years, 6 weeks, 1 day, 6 hours, 53 minutes, 29 seconds.
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To count from 1 to 129,538,409 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 129538409 cubic inches would be around 42.2 feet tall.
Recreational maths with 129538409
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The information we have on file for 129538409 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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