21204700
21,204,700 is an even composite number composed of five prime numbers multiplied together.
21204700 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 21204700:
22 × 52 × 11 × 37 × 521
(2 × 2 × 5 × 5 × 11 × 37 × 521)See below for interesting mathematical facts about the number 21204700 from the Numbermatics database.
Names of 21204700
- Cardinal: 21204700 can be written as Twenty-one million, two hundred four thousand, seven hundred.
Scientific notation
- Scientific notation: 2.12047 × 107
Factors of 21204700
Divisors of 21204700
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 4 5 10 11 20 22 25 37 44 50 55 74 100 110 148 185 220 275 370 407 521 550 740 814 925 1042 1100 1628 1850 2035 2084 2605 3700 4070 5210 5731 8140 10175 10420 11462 13025 19277 20350 22924 26050 28655 38554 40700 52100 57310 77108 96385 114620 143275 192770 212047 286550 385540 424094 481925 573100 848188 963850 1060235 1927700 2120470 4240940 5301175 10602350 21204700
- Sum of all divisors σ(n): 51652944
- Sum of proper divisors (its aliquot sum) s(n): 30448244
- 21204700 is an abundant number, because the sum of its proper divisors (30448244) is greater than itself. Its abundance is 9243544
Bases of 21204700
- Binary: 10100001110001110110111002
- Hexadecimal: 0x1438EDC
- Base-36: CMHNG
Squares and roots of 21204700
- 21204700 squared (212047002) is 449639302090000
- 21204700 cubed (212047003) is 9534466509027823000000
-
The
square root of 21204700 is 4604.8561323889 -
The
cube root of 21204700 is 276.7859520141
Scales and comparisons
How big is 21204700?- 21,204,700 seconds is equal to 35 weeks, 10 hours, 11 minutes, 40 seconds.
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To count from 1 to 21,204,700 would take you about four 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 21204700 cubic inches would be around 23.1 feet tall.
Recreational maths with 21204700
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The information we have on file for 21204700 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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