121945158990
121,945,158,990 is an even composite number composed of five prime numbers multiplied together.
121945158990 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred twenty-four divisors.
Prime factorization of 121945158990:
2 × 36 × 5 × 43 × 733
(2 × 3 × 3 × 3 × 3 × 3 × 3 × 5 × 43 × 73 × 73 × 73)See below for interesting mathematical facts about the number 121945158990 from the Numbermatics database.
Names of 121945158990
- Cardinal: 121945158990 can be written as One hundred twenty-one billion, nine hundred forty-five million, one hundred fifty-eight thousand, nine hundred ninety.
Scientific notation
- Scientific notation: 1.2194515899 × 1011
Factors of 121945158990
Divisors of 121945158990
- Number of divisors d(n): 224
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Complete list of divisors:
1 2 3 5 6 9 10 15 18 27 30 43 45 54 73 81 86 90 129 135 146 162 215 219 243 258 270 365 387 405 430 438 486 645 657 729 730 774 810 1095 1161 1215 1290 1314 1458 1935 1971 2190 2322 2430 3139 3285 3483 3645 3870 3942 5329 5805 5913 6278 6570 6966 7290 9417 9855 10449 10658 11610 11826 15695 15987 17415 17739 18834 19710 20898 26645 28251 29565 31347 31390 31974 34830 35478 47085 47961 52245 53217 53290 56502 59130 62694 79935 84753 88695 94170 95922 104490 106434 141255 143883 156735 159870 169506 177390 229147 239805 254259 266085 282510 287766 313470 389017 423765 431649 458294 479610 508518 532170 687441 719415 762777 778034 847530 863298 1145735 1167051 1271295 1294947 1374882 1438830 1525554 1945085 2062323 2158245 2288331 2291470 2334102 2542590 2589894 3437205 3501153 3813885 3884841 3890170 4124646 4316490 4576662 5835255 6186969 6474735 6874410 7002306 7627770 7769682 10311615 10503459 11441655 11670510 12373938 12949470 16727731 17505765 18560907 19424205 20623230 21006918 22883310 30934845 31510377 33455462 35011530 37121814 38848410 50183193 52517295 55682721 61869690 63020754 83638655 92804535 94531131 100366386 105034590 111365442 150549579 157551885 167048163 167277310 185609070 189062262 250915965 278413605 283593393 301099158 315103770 334096326 451648737 472655655 501831930 556827210 567186786 752747895 835240815 903297474 945311310 1354946211 1417966965 1505495790 1670481630 2258243685 2709892422 2835933930 4064838633 4516487370 6774731055 8129677266 12194515899 13549462110 20324193165 24389031798 40648386330 60972579495 121945158990
- Sum of all divisors σ(n): 341432039520
- Sum of proper divisors (its aliquot sum) s(n): 219486880530
- 121945158990 is an abundant number, because the sum of its proper divisors (219486880530) is greater than itself. Its abundance is 97541721540
Bases of 121945158990
- Binary: 11100011001000111111101110101010011102
- Hexadecimal: 0x1C647F754E
- Base-36: 1K0QZYVI
Squares and roots of 121945158990
- 121945158990 squared (1219451589902) is 14870621801096377820100
- 121945158990 cubed (1219451589903) is 1813400339814857949585204117699000
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The
square root of 121945158990 is 349206.4704297443 -
The
cube root of 121945158990 is 4958.9324004869
Scales and comparisons
How big is 121945158990?- 121,945,158,990 seconds is equal to 3,877 years, 24 weeks, 6 days, 7 hours, 16 minutes, 30 seconds.
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To count from 1 to 121,945,158,990 would take you about seven thousand, seven hundred fifty-four 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 121945158990 cubic inches would be around 413.2 feet tall.
Recreational maths with 121945158990
- 121945158990 backwards is 099851549121
- 121945158990 is a
Harshad number . - The number of decimal digits it has is: 12
- The sum of 121945158990's digits is 54
- More coming soon!
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