21146980
21,146,980 is an even composite number composed of five prime numbers multiplied together.
21146980 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 21146980:
22 × 5 × 17 × 37 × 412
(2 × 2 × 5 × 17 × 37 × 41 × 41)See below for interesting mathematical facts about the number 21146980 from the Numbermatics database.
Names of 21146980
- Cardinal: 21146980 can be written as Twenty-one million, one hundred forty-six thousand, nine hundred eighty.
Scientific notation
- Scientific notation: 2.114698 × 107
Factors of 21146980
Divisors of 21146980
- Number of divisors d(n): 72
-
Complete list of divisors:
1 2 4 5 10 17 20 34 37 41 68 74 82 85 148 164 170 185 205 340 370 410 629 697 740 820 1258 1394 1517 1681 2516 2788 3034 3145 3362 3485 6068 6290 6724 6970 7585 8405 12580 13940 15170 16810 25789 28577 30340 33620 51578 57154 62197 103156 114308 124394 128945 142885 248788 257890 285770 310985 515780 571540 621970 1057349 1243940 2114698 4229396 5286745 10573490 21146980
- Sum of all divisors σ(n): 49498344
- Sum of proper divisors (its aliquot sum) s(n): 28351364
- 21146980 is an abundant number, because the sum of its proper divisors (28351364) is greater than itself. Its abundance is 7204384
Bases of 21146980
- Binary: 10100001010101101011001002
- Hexadecimal: 0x142AD64
- Base-36: CL944
Squares and roots of 21146980
- 21146980 squared (211469802) is 447194763120400
- 21146980 cubed (211469803) is 9456818711811836392000
-
The
square root of 21146980 is 4598.5845648417 -
The
cube root of 21146980 is 276.5345831675
Scales and comparisons
How big is 21146980?- 21,146,980 seconds is equal to 34 weeks, 6 days, 18 hours, 9 minutes, 40 seconds.
-
To count from 1 to 21,146,980 would take you about three days!
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 21146980 cubic inches would be around 23 feet tall.
Recreational maths with 21146980
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The information we have on file for 21146980 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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