21011320
21,011,320 is an even composite number composed of five prime numbers multiplied together.
21011320 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 21011320:
23 × 5 × 11 × 17 × 532
(2 × 2 × 2 × 5 × 11 × 17 × 53 × 53)See below for interesting mathematical facts about the number 21011320 from the Numbermatics database.
Names of 21011320
- Cardinal: 21011320 can be written as Twenty-one million, eleven thousand, three hundred twenty.
Scientific notation
- Scientific notation: 2.101132 × 107
Factors of 21011320
Divisors of 21011320
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 4 5 8 10 11 17 20 22 34 40 44 53 55 68 85 88 106 110 136 170 187 212 220 265 340 374 424 440 530 583 680 748 901 935 1060 1166 1496 1802 1870 2120 2332 2809 2915 3604 3740 4505 4664 5618 5830 7208 7480 9010 9911 11236 11660 14045 18020 19822 22472 23320 28090 30899 36040 39644 47753 49555 56180 61798 79288 95506 99110 112360 123596 154495 191012 198220 238765 247192 308990 382024 396440 477530 525283 617980 955060 1050566 1235960 1910120 2101132 2626415 4202264 5252830 10505660 21011320
- Sum of all divisors σ(n): 55656720
- Sum of proper divisors (its aliquot sum) s(n): 34645400
- 21011320 is an abundant number, because the sum of its proper divisors (34645400) is greater than itself. Its abundance is 13634080
Bases of 21011320
- Binary: 10100000010011011011110002
- Hexadecimal: 0x1409B78
- Base-36: CICFS
Squares and roots of 21011320
- 21011320 squared (210113202) is 441475568142400
- 21011320 cubed (210113203) is 9275984434421771968000
-
The
square root of 21011320 is 4583.8106418133 -
The
cube root of 21011320 is 275.9419817837
Scales and comparisons
How big is 21011320?- 21,011,320 seconds is equal to 34 weeks, 5 days, 4 hours, 28 minutes, 40 seconds.
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To count from 1 to 21,011,320 would take you about eighteen 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 21011320 cubic inches would be around 23 feet tall.
Recreational maths with 21011320
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The information we have on file for 21011320 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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