129726864
129,726,864 is an even composite number composed of five prime numbers multiplied together.
129726864 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 129726864:
24 × 32 × 17 × 197 × 269
(2 × 2 × 2 × 2 × 3 × 3 × 17 × 197 × 269)See below for interesting mathematical facts about the number 129726864 from the Numbermatics database.
Names of 129726864
- Cardinal: 129726864 can be written as One hundred twenty-nine million, seven hundred twenty-six thousand, eight hundred sixty-four.
Scientific notation
- Scientific notation: 1.29726864 × 108
Factors of 129726864
Divisors of 129726864
- Number of divisors d(n): 120
-
Complete list of divisors:
1 2 3 4 6 8 9 12 16 17 18 24 34 36 48 51 68 72 102 136 144 153 197 204 269 272 306 394 408 538 591 612 788 807 816 1076 1182 1224 1576 1614 1773 2152 2364 2421 2448 3152 3228 3349 3546 4304 4573 4728 4842 6456 6698 7092 9146 9456 9684 10047 12912 13396 13719 14184 18292 19368 20094 26792 27438 28368 30141 36584 38736 40188 41157 52993 53584 54876 60282 73168 80376 82314 105986 109752 120564 158979 160752 164628 211972 219504 241128 317958 329256 423944 476937 482256 635916 658512 847888 900881 953874 1271832 1801762 1907748 2543664 2702643 3603524 3815496 5405286 7207048 7630992 8107929 10810572 14414096 16215858 21621144 32431716 43242288 64863432 129726864
- Sum of all divisors σ(n): 387798840
- Sum of proper divisors (its aliquot sum) s(n): 258071976
- 129726864 is an abundant number, because the sum of its proper divisors (258071976) is greater than itself. Its abundance is 128345112
Bases of 129726864
- Binary: 1111011101101111001100100002
- Hexadecimal: 0x7BB7990
- Base-36: 258HW0
Squares and roots of 129726864
- 129726864 squared (1297268642) is 16829059243274496
- 129726864 cubed (1297268643) is 2183181079700213457260544
-
The
square root of 129726864 is 11389.7701469343 -
The
cube root of 129726864 is 506.2246707035
Scales and comparisons
How big is 129726864?- 129,726,864 seconds is equal to 4 years, 6 weeks, 3 days, 11 hours, 14 minutes, 24 seconds.
-
To count from 1 to 129,726,864 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 129726864 cubic inches would be around 42.2 feet tall.
Recreational maths with 129726864
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The information we have on file for 129726864 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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