30845990
30,845,990 is an even composite number composed of five prime numbers multiplied together.
30845990 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 30845990:
2 × 5 × 73 × 17 × 232
(2 × 5 × 7 × 7 × 7 × 17 × 23 × 23)See below for interesting mathematical facts about the number 30845990 from the Numbermatics database.
Names of 30845990
- Cardinal: 30845990 can be written as Thirty million, eight hundred forty-five thousand, nine hundred ninety.
Scientific notation
- Scientific notation: 3.084599 × 107
Factors of 30845990
Divisors of 30845990
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 5 7 10 14 17 23 34 35 46 49 70 85 98 115 119 161 170 230 238 245 322 343 391 490 529 595 686 782 805 833 1058 1127 1190 1610 1666 1715 1955 2254 2645 2737 3430 3703 3910 4165 5290 5474 5635 5831 7406 7889 8330 8993 11270 11662 13685 15778 17986 18515 19159 25921 27370 29155 37030 38318 39445 44965 51842 58310 62951 78890 89930 95795 125902 129605 134113 181447 191590 259210 268226 314755 362894 440657 629510 670565 881314 907235 1341130 1814470 2203285 3084599 4406570 6169198 15422995 30845990
- Sum of all divisors σ(n): 71668800
- Sum of proper divisors (its aliquot sum) s(n): 40822810
- 30845990 is an abundant number, because the sum of its proper divisors (40822810) is greater than itself. Its abundance is 9976820
Bases of 30845990
- Binary: 11101011010101100001001102
- Hexadecimal: 0x1D6AC26
- Base-36: ID4X2
Squares and roots of 30845990
- 30845990 squared (308459902) is 951475099080100
- 30845990 cubed (308459903) is 29349191391473773799000
-
The
square root of 30845990 is 5553.9166360327 -
The
cube root of 30845990 is 313.6169819673
Scales and comparisons
How big is 30845990?- 30,845,990 seconds is equal to 51 weeks, 19 minutes, 50 seconds.
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To count from 1 to 30,845,990 would take you about twenty-four weeks!
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 30845990 cubic inches would be around 26.1 feet tall.
Recreational maths with 30845990
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The information we have on file for 30845990 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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