121965990
121,965,990 is an even composite number composed of six prime numbers multiplied together.
121965990 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 121965990:
2 × 3 × 5 × 17 × 379 × 631
See below for interesting mathematical facts about the number 121965990 from the Numbermatics database.
Names of 121965990
- Cardinal: 121965990 can be written as One hundred twenty-one million, nine hundred sixty-five thousand, nine hundred ninety.
Scientific notation
- Scientific notation: 1.2196599 × 108
Factors of 121965990
Divisors of 121965990
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 3 5 6 10 15 17 30 34 51 85 102 170 255 379 510 631 758 1137 1262 1893 1895 2274 3155 3786 3790 5685 6310 6443 9465 10727 11370 12886 18930 19329 21454 32181 32215 38658 53635 64362 64430 96645 107270 160905 193290 239149 321810 478298 717447 1195745 1434894 2391490 3587235 4065533 7174470 8131066 12196599 20327665 24393198 40655330 60982995 121965990
- Sum of all divisors σ(n): 311247360
- Sum of proper divisors (its aliquot sum) s(n): 189281370
- 121965990 is an abundant number, because the sum of its proper divisors (189281370) is greater than itself. Its abundance is 67315380
Bases of 121965990
- Binary: 1110100010100001101101001102
- Hexadecimal: 0x7450DA6
- Base-36: 20M5K6
Squares and roots of 121965990
- 121965990 squared (1219659902) is 14875702716680100
- 121965990 cubed (1219659903) is 1814329808785577909799000
-
The
square root of 121965990 is 11043.8213495149 -
The
cube root of 121965990 is 495.9214750599
Scales and comparisons
How big is 121965990?- 121,965,990 seconds is equal to 3 years, 45 weeks, 4 days, 15 hours, 26 minutes, 30 seconds.
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To count from 1 to 121,965,990 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 121965990 cubic inches would be around 41.3 feet tall.
Recreational maths with 121965990
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The information we have on file for 121965990 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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