121239924
121,239,924 is an even composite number composed of five prime numbers multiplied together.
121239924 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 121239924:
22 × 3 × 132 × 191 × 313
(2 × 2 × 3 × 13 × 13 × 191 × 313)See below for interesting mathematical facts about the number 121239924 from the Numbermatics database.
Names of 121239924
- Cardinal: 121239924 can be written as One hundred twenty-one million, two hundred thirty-nine thousand, nine hundred twenty-four.
Scientific notation
- Scientific notation: 1.21239924 × 108
Factors of 121239924
Divisors of 121239924
- Number of divisors d(n): 72
-
Complete list of divisors:
1 2 3 4 6 12 13 26 39 52 78 156 169 191 313 338 382 507 573 626 676 764 939 1014 1146 1252 1878 2028 2292 2483 3756 4069 4966 7449 8138 9932 12207 14898 16276 24414 29796 32279 48828 52897 59783 64558 96837 105794 119566 129116 158691 179349 193674 211588 239132 317382 358698 387348 634764 717396 777179 1554358 2331537 3108716 4663074 9326148 10103327 20206654 30309981 40413308 60619962 121239924
- Sum of all divisors σ(n): 308915712
- Sum of proper divisors (its aliquot sum) s(n): 187675788
- 121239924 is an abundant number, because the sum of its proper divisors (187675788) is greater than itself. Its abundance is 66435864
Bases of 121239924
- Binary: 1110011100111111001011101002
- Hexadecimal: 0x739F974
- Base-36: 206LBO
Squares and roots of 121239924
- 121239924 squared (1212399242) is 14699119171525776
- 121239924 cubed (1212399243) is 1782120091222728046281024
-
The
square root of 121239924 is 11010.9002356755 -
The
cube root of 121239924 is 494.9354389833
Scales and comparisons
How big is 121239924?- 121,239,924 seconds is equal to 3 years, 44 weeks, 3 days, 5 hours, 45 minutes, 24 seconds.
-
To count from 1 to 121,239,924 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 121239924 cubic inches would be around 41.2 feet tall.
Recreational maths with 121239924
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