121799790
121,799,790 is an even composite number composed of six prime numbers multiplied together.
121799790 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 121799790:
2 × 32 × 5 × 72 × 71 × 389
(2 × 3 × 3 × 5 × 7 × 7 × 71 × 389)See below for interesting mathematical facts about the number 121799790 from the Numbermatics database.
Names of 121799790
- Cardinal: 121799790 can be written as One hundred twenty-one million, seven hundred ninety-nine thousand, seven hundred ninety.
Scientific notation
- Scientific notation: 1.2179979 × 108
Factors of 121799790
Divisors of 121799790
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 5 6 7 9 10 14 15 18 21 30 35 42 45 49 63 70 71 90 98 105 126 142 147 210 213 245 294 315 355 389 426 441 490 497 630 639 710 735 778 882 994 1065 1167 1278 1470 1491 1945 2130 2205 2334 2485 2723 2982 3195 3479 3501 3890 4410 4473 4970 5446 5835 6390 6958 7002 7455 8169 8946 10437 11670 13615 14910 16338 17395 17505 19061 20874 22365 24507 27230 27619 31311 34790 35010 38122 40845 44730 49014 52185 55238 57183 62622 81690 82857 95305 104370 114366 122535 138095 156555 165714 171549 190610 193333 245070 248571 276190 285915 313110 343098 386666 414285 497142 571830 579999 828570 857745 966665 1159998 1242855 1353331 1715490 1739997 1933330 2485710 2706662 2899995 3479994 4059993 5799990 6766655 8119986 8699985 12179979 13533310 17399970 20299965 24359958 40599930 60899895 121799790
- Sum of all divisors σ(n): 374531040
- Sum of proper divisors (its aliquot sum) s(n): 252731250
- 121799790 is an abundant number, because the sum of its proper divisors (252731250) is greater than itself. Its abundance is 130931460
Bases of 121799790
- Binary: 1110100001010000100011011102
- Hexadecimal: 0x742846E
- Base-36: 20ILBI
Squares and roots of 121799790
- 121799790 squared (1217997902) is 14835188844044100
- 121799790 cubed (1217997903) is 1806922885814914130739000
-
The
square root of 121799790 is 11036.2942149981 -
The
cube root of 121799790 is 495.6961127393
Scales and comparisons
How big is 121799790?- 121,799,790 seconds is equal to 3 years, 45 weeks, 2 days, 17 hours, 16 minutes, 30 seconds.
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To count from 1 to 121,799,790 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 121799790 cubic inches would be around 41.3 feet tall.
Recreational maths with 121799790
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