129488490
129,488,490 is an even composite number composed of five prime numbers multiplied together.
129488490 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 129488490:
2 × 33 × 5 × 17 × 28211
(2 × 3 × 3 × 3 × 5 × 17 × 28211)See below for interesting mathematical facts about the number 129488490 from the Numbermatics database.
Names of 129488490
- Cardinal: 129488490 can be written as One hundred twenty-nine million, four hundred eighty-eight thousand, four hundred ninety.
Scientific notation
- Scientific notation: 1.2948849 × 108
Factors of 129488490
Divisors of 129488490
- Number of divisors d(n): 64
-
Complete list of divisors:
1 2 3 5 6 9 10 15 17 18 27 30 34 45 51 54 85 90 102 135 153 170 255 270 306 459 510 765 918 1530 2295 4590 28211 56422 84633 141055 169266 253899 282110 423165 479587 507798 761697 846330 959174 1269495 1438761 1523394 2397935 2538990 2877522 3808485 4316283 4795870 7193805 7616970 8632566 12948849 14387610 21581415 25897698 43162830 64744245 129488490
- Sum of all divisors σ(n): 365627520
- Sum of proper divisors (its aliquot sum) s(n): 236139030
- 129488490 is an abundant number, because the sum of its proper divisors (236139030) is greater than itself. Its abundance is 106650540
Bases of 129488490
- Binary: 1111011011111010110011010102
- Hexadecimal: 0x7B7D66A
- Base-36: 253DYI
Squares and roots of 129488490
- 129488490 squared (1294884902) is 16767269042480100
- 129488490 cubed (1294884903) is 2171168349734494004049000
-
The
square root of 129488490 is 11379.3009451371 -
The
cube root of 129488490 is 505.9144168295
Scales and comparisons
How big is 129488490?- 129,488,490 seconds is equal to 4 years, 6 weeks, 17 hours, 1 minute, 30 seconds.
-
To count from 1 to 129,488,490 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 129488490 cubic inches would be around 42.2 feet tall.
Recreational maths with 129488490
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The information we have on file for 129488490 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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