198990078
198,990,078 is an even composite number composed of five prime numbers multiplied together.
198990078 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of eighty divisors.
Prime factorization of 198990078:
2 × 3 × 74 × 19 × 727
(2 × 3 × 7 × 7 × 7 × 7 × 19 × 727)See below for interesting mathematical facts about the number 198990078 from the Numbermatics database.
Names of 198990078
- Cardinal: 198990078 can be written as One hundred ninety-eight million, nine hundred ninety thousand and seventy-eight.
Scientific notation
- Scientific notation: 1.98990078 × 108
Factors of 198990078
Divisors of 198990078
- Number of divisors d(n): 80
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Complete list of divisors:
1 2 3 6 7 14 19 21 38 42 49 57 98 114 133 147 266 294 343 399 686 727 798 931 1029 1454 1862 2058 2181 2401 2793 4362 4802 5089 5586 6517 7203 10178 13034 13813 14406 15267 19551 27626 30534 35623 39102 41439 45619 71246 82878 91238 96691 106869 136857 193382 213738 249361 273714 290073 498722 580146 676837 748083 1353674 1496166 1745527 2030511 3491054 4061022 4737859 5236581 9475718 10473162 14213577 28427154 33165013 66330026 99495039 198990078
- Sum of all divisors σ(n): 489390720
- Sum of proper divisors (its aliquot sum) s(n): 290400642
- 198990078 is an abundant number, because the sum of its proper divisors (290400642) is greater than itself. Its abundance is 91410564
Bases of 198990078
- Binary: 10111101110001011000111111102
- Hexadecimal: 0xBDC58FE
- Base-36: 3AH1Q6
Squares and roots of 198990078
- 198990078 squared (1989900782) is 39597051142446084
- 198990078 cubed (1989900783) is 7879420295405335365954552
-
The
square root of 198990078 is 14106.3842993163 -
The
cube root of 198990078 is 583.8175428483
Scales and comparisons
How big is 198990078?- 198,990,078 seconds is equal to 6 years, 17 weeks, 3 hours, 1 minute, 18 seconds.
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To count from 1 to 198,990,078 would take you about nine 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 198990078 cubic inches would be around 48.7 feet tall.
Recreational maths with 198990078
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