129618225
129,618,225 is an odd composite number composed of four prime numbers multiplied together.
129618225 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred thirty-five divisors.
Prime factorization of 129618225:
34 × 52 × 112 × 232
(3 × 3 × 3 × 3 × 5 × 5 × 11 × 11 × 23 × 23)See below for interesting mathematical facts about the number 129618225 from the Numbermatics database.
Names of 129618225
- Cardinal: 129618225 can be written as One hundred twenty-nine million, six hundred eighteen thousand, two hundred twenty-five.
Scientific notation
- Scientific notation: 1.29618225 × 108
Factors of 129618225
Divisors of 129618225
- Number of divisors d(n): 135
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Complete list of divisors:
1 3 5 9 11 15 23 25 27 33 45 55 69 75 81 99 115 121 135 165 207 225 253 275 297 345 363 405 495 529 575 605 621 675 759 825 891 1035 1089 1265 1485 1587 1725 1815 1863 2025 2277 2475 2645 2783 3025 3105 3267 3795 4455 4761 5175 5445 5819 6325 6831 7425 7935 8349 9075 9315 9801 11385 13225 13915 14283 15525 16335 17457 18975 20493 22275 23805 25047 27225 29095 34155 39675 41745 42849 46575 49005 52371 56925 64009 69575 71415 75141 81675 87285 102465 119025 125235 145475 157113 170775 192027 208725 214245 225423 245025 261855 320045 357075 375705 436425 471339 512325 576081 626175 785565 960135 1071225 1127115 1309275 1600225 1728243 1878525 2356695 2880405 3927825 4800675 5184729 5635575 8641215 11783475 14402025 25923645 43206075 129618225
- Sum of all divisors σ(n): 275882299
- Sum of proper divisors (its aliquot sum) s(n): 146264074
- 129618225 is an abundant number, because the sum of its proper divisors (146264074) is greater than itself. Its abundance is 16645849
Bases of 129618225
- Binary: 1111011100111010001001100012
- Hexadecimal: 0x7B9D131
- Base-36: 256629
Squares and roots of 129618225
- 129618225 squared (1296182252) is 16800884252150625
- 129618225 cubed (1296182253) is 2177700795194216445140625
-
129618225 is a
perfect square number . Itssquare root is 11385 -
The
cube root of 129618225 is 506.0833196129
Scales and comparisons
How big is 129618225?- 129,618,225 seconds is equal to 4 years, 6 weeks, 2 days, 5 hours, 3 minutes, 45 seconds.
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To count from 1 to 129,618,225 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 129618225 cubic inches would be around 42.2 feet tall.
Recreational maths with 129618225
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