21289125
21,289,125 is an odd composite number composed of five prime numbers multiplied together.
What does the number 21289125 look like?
This visualization shows the relationship between its 5 prime factors (large circles) and 64 divisors.
21289125 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 21289125:
3 × 53 × 11 × 13 × 397
(3 × 5 × 5 × 5 × 11 × 13 × 397)See below for interesting mathematical facts about the number 21289125 from the Numbermatics database.
Names of 21289125
- Cardinal: 21289125 can be written as Twenty-one million, two hundred eighty-nine thousand, one hundred twenty-five.
Scientific notation
- Scientific notation: 2.1289125 × 107
Factors of 21289125
Divisors of 21289125
- Number of divisors d(n): 64
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Complete list of divisors:
1 3 5 11 13 15 25 33 39 55 65 75 125 143 165 195 275 325 375 397 429 715 825 975 1191 1375 1625 1985 2145 3575 4125 4367 4875 5161 5955 9925 10725 13101 15483 17875 21835 25805 29775 49625 53625 56771 65505 77415 109175 129025 148875 170313 283855 327525 387075 545875 645125 851565 1419275 1637625 1935375 4257825 7096375 21289125
- Sum of all divisors σ(n): 41723136
- Sum of proper divisors (its aliquot sum) s(n): 20434011
- 21289125 is a deficient number, because the sum of its proper divisors (20434011) is less than itself. Its deficiency is 855114
Bases of 21289125
- Binary: 10100010011011000101001012
- Hexadecimal: 0x144D8A5
- Base-36: COASL
Squares and roots of 21289125
- 21289125 squared (212891252) is 453226843265625
- 21289125 cubed (212891253) is 9648802919637298828125
-
The
square root of 21289125 is 4614.0139791725 -
The
cube root of 21289125 is 277.1528000901
Scales and comparisons
How big is 21289125?- 21,289,125 seconds is equal to 35 weeks, 1 day, 9 hours, 38 minutes, 45 seconds.
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To count from 1 to 21,289,125 would take you about five 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 21289125 cubic inches would be around 23.1 feet tall.
Recreational maths with 21289125
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The information we have on file for 21289125 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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