20980890
20,980,890 is an even composite number composed of six prime numbers multiplied together.
20980890 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 20980890:
2 × 33 × 5 × 7 × 17 × 653
(2 × 3 × 3 × 3 × 5 × 7 × 17 × 653)See below for interesting mathematical facts about the number 20980890 from the Numbermatics database.
Names of 20980890
- Cardinal: 20980890 can be written as Twenty million, nine hundred eighty thousand, eight hundred ninety.
Scientific notation
- Scientific notation: 2.098089 × 107
Factors of 20980890
Divisors of 20980890
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 3 5 6 7 9 10 14 15 17 18 21 27 30 34 35 42 45 51 54 63 70 85 90 102 105 119 126 135 153 170 189 210 238 255 270 306 315 357 378 459 510 595 630 653 714 765 918 945 1071 1190 1306 1530 1785 1890 1959 2142 2295 3213 3265 3570 3918 4571 4590 5355 5877 6426 6530 9142 9795 10710 11101 11754 13713 16065 17631 19590 22202 22855 27426 29385 32130 33303 35262 41139 45710 55505 58770 66606 68565 77707 82278 88155 99909 111010 123417 137130 155414 166515 176310 199818 205695 233121 246834 299727 333030 388535 411390 466242 499545 599454 617085 699363 777070 999090 1165605 1234170 1398726 1498635 2098089 2331210 2997270 3496815 4196178 6993630 10490445 20980890
- Sum of all divisors σ(n): 67806720
- Sum of proper divisors (its aliquot sum) s(n): 46825830
- 20980890 is an abundant number, because the sum of its proper divisors (46825830) is greater than itself. Its abundance is 25844940
Bases of 20980890
- Binary: 10100000000100100100110102
- Hexadecimal: 0x140249A
- Base-36: CHOYI
Squares and roots of 20980890
- 20980890 squared (209808902) is 440197745192100
- 20980890 cubed (209808903) is 9235740470123478969000
-
The
square root of 20980890 is 4580.4901484449 -
The
cube root of 20980890 is 275.8087048733
Scales and comparisons
How big is 20980890?- 20,980,890 seconds is equal to 34 weeks, 4 days, 20 hours, 1 minute, 30 seconds.
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To count from 1 to 20,980,890 would take you about six hours!
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 20980890 cubic inches would be around 23 feet tall.
Recreational maths with 20980890
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The information we have on file for 20980890 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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