20838090
20,838,090 is an even composite number composed of seven prime numbers multiplied together.
20838090 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 20838090:
2 × 3 × 5 × 7 × 13 × 17 × 449
See below for interesting mathematical facts about the number 20838090 from the Numbermatics database.
Names of 20838090
- Cardinal: 20838090 can be written as Twenty million, eight hundred thirty-eight thousand and ninety.
Scientific notation
- Scientific notation: 2.083809 × 107
Factors of 20838090
Divisors of 20838090
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 3 5 6 7 10 13 14 15 17 21 26 30 34 35 39 42 51 65 70 78 85 91 102 105 119 130 170 182 195 210 221 238 255 273 357 390 442 449 455 510 546 595 663 714 898 910 1105 1190 1326 1347 1365 1547 1785 2210 2245 2694 2730 3094 3143 3315 3570 4490 4641 5837 6286 6630 6735 7633 7735 9282 9429 11674 13470 15266 15470 15715 17511 18858 22899 23205 29185 31430 35022 38165 40859 45798 46410 47145 53431 58370 76330 81718 87555 94290 99229 106862 114495 122577 160293 175110 198458 204295 228990 245154 267155 297687 320586 408590 496145 534310 595374 612885 694603 801465 992290 1225770 1389206 1488435 1602930 2083809 2976870 3473015 4167618 6946030 10419045 20838090
- Sum of all divisors σ(n): 65318400
- Sum of proper divisors (its aliquot sum) s(n): 44480310
- 20838090 is an abundant number, because the sum of its proper divisors (44480310) is greater than itself. Its abundance is 23642220
Bases of 20838090
- Binary: 10011110111110110110010102
- Hexadecimal: 0x13DF6CA
- Base-36: CEMRU
Squares and roots of 20838090
- 20838090 squared (208380902) is 434225994848100
- 20838090 cubed (208380903) is 9048440360984244129000
-
The
square root of 20838090 is 4564.8756828637 -
The
cube root of 20838090 is 275.1815440373
Scales and comparisons
How big is 20838090?- 20,838,090 seconds is equal to 34 weeks, 3 days, 4 hours, 21 minutes, 30 seconds.
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To count from 1 to 20,838,090 would take you about fifty-one 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 20838090 cubic inches would be around 22.9 feet tall.
Recreational maths with 20838090
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The information we have on file for 20838090 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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