121902138
121,902,138 is an even composite number composed of six prime numbers multiplied together.
121902138 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 121902138:
2 × 33 × 17 × 19 × 29 × 241
(2 × 3 × 3 × 3 × 17 × 19 × 29 × 241)See below for interesting mathematical facts about the number 121902138 from the Numbermatics database.
Names of 121902138
- Cardinal: 121902138 can be written as One hundred twenty-one million, nine hundred two thousand, one hundred thirty-eight.
Scientific notation
- Scientific notation: 1.21902138 × 108
Factors of 121902138
Divisors of 121902138
- Number of divisors d(n): 128
-
Complete list of divisors:
1 2 3 6 9 17 18 19 27 29 34 38 51 54 57 58 87 102 114 153 171 174 241 261 306 323 342 459 482 493 513 522 551 646 723 783 918 969 986 1026 1102 1446 1479 1566 1653 1938 2169 2907 2958 3306 4097 4338 4437 4579 4959 5814 6507 6989 8194 8721 8874 9158 9367 9918 12291 13014 13311 13737 13978 14877 17442 18734 20967 24582 26622 27474 28101 29754 36873 41211 41934 56202 62901 73746 77843 82422 84303 110619 118813 123633 125802 132791 155686 168606 188703 221238 233529 237626 247266 252909 265582 356439 377406 398373 467058 505818 700587 712878 796746 1069317 1195119 1401174 2101761 2138634 2257447 2390238 3207951 3585357 4203522 4514894 6415902 6772341 7170714 13544682 20317023 40634046 60951069 121902138
- Sum of all divisors σ(n): 313632000
- Sum of proper divisors (its aliquot sum) s(n): 191729862
- 121902138 is an abundant number, because the sum of its proper divisors (191729862) is greater than itself. Its abundance is 69827724
Bases of 121902138
- Binary: 1110100010000010100001110102
- Hexadecimal: 0x744143A
- Base-36: 20KSAI
Squares and roots of 121902138
- 121902138 squared (1219021382) is 14860131248971044
- 121902138 cubed (1219021383) is 1811481770210180563692072
-
The
square root of 121902138 is 11040.9301238617 -
The
cube root of 121902138 is 495.8349178555
Scales and comparisons
How big is 121902138?- 121,902,138 seconds is equal to 3 years, 45 weeks, 3 days, 21 hours, 42 minutes, 18 seconds.
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To count from 1 to 121,902,138 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 121902138 cubic inches would be around 41.3 feet tall.
Recreational maths with 121902138
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The information we have on file for 121902138 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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