121908105
121,908,105 is an odd composite number composed of five prime numbers multiplied together.
121908105 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 121908105:
33 × 5 × 112 × 17 × 439
(3 × 3 × 3 × 5 × 11 × 11 × 17 × 439)See below for interesting mathematical facts about the number 121908105 from the Numbermatics database.
Names of 121908105
- Cardinal: 121908105 can be written as One hundred twenty-one million, nine hundred eight thousand, one hundred five.
Scientific notation
- Scientific notation: 1.21908105 × 108
Factors of 121908105
Divisors of 121908105
- Number of divisors d(n): 96
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Complete list of divisors:
1 3 5 9 11 15 17 27 33 45 51 55 85 99 121 135 153 165 187 255 297 363 439 459 495 561 605 765 935 1089 1317 1485 1683 1815 2057 2195 2295 2805 3267 3951 4829 5049 5445 6171 6585 7463 8415 10285 11853 14487 16335 18513 19755 22389 24145 25245 30855 37315 43461 53119 55539 59265 67167 72435 82093 92565 111945 130383 159357 201501 217305 246279 265595 277695 335835 410465 478071 651915 738837 796785 903023 1007505 1231395 1434213 2216511 2390355 2709069 3694185 4515115 7171065 8127207 11082555 13545345 24381621 40636035 121908105
- Sum of all divisors σ(n): 252806400
- Sum of proper divisors (its aliquot sum) s(n): 130898295
- 121908105 is an abundant number, because the sum of its proper divisors (130898295) is greater than itself. Its abundance is 8990190
Bases of 121908105
- Binary: 1110100010000101011100010012
- Hexadecimal: 0x7442B89
- Base-36: 20KWW9
Squares and roots of 121908105
- 121908105 squared (1219081052) is 14861586064691025
- 121908105 cubed (1219081053) is 1811747794440890268257625
-
The
square root of 121908105 is 11041.2003423541 -
The
cube root of 121908105 is 495.8430079477
Scales and comparisons
How big is 121908105?- 121,908,105 seconds is equal to 3 years, 45 weeks, 3 days, 23 hours, 21 minutes, 45 seconds.
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To count from 1 to 121,908,105 would take you about five 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 121908105 cubic inches would be around 41.3 feet tall.
Recreational maths with 121908105
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The information we have on file for 121908105 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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