21016320
21,016,320 is an even composite number composed of five prime numbers multiplied together.
21016320 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 21016320:
28 × 3 × 5 × 13 × 421
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 13 × 421)See below for interesting mathematical facts about the number 21016320 from the Numbermatics database.
Names of 21016320
- Cardinal: 21016320 can be written as Twenty-one million, sixteen thousand, three hundred twenty.
Scientific notation
- Scientific notation: 2.101632 × 107
Factors of 21016320
Divisors of 21016320
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 32 39 40 48 52 60 64 65 78 80 96 104 120 128 130 156 160 192 195 208 240 256 260 312 320 384 390 416 421 480 520 624 640 768 780 832 842 960 1040 1248 1263 1280 1560 1664 1684 1920 2080 2105 2496 2526 3120 3328 3368 3840 4160 4210 4992 5052 5473 6240 6315 6736 8320 8420 9984 10104 10946 12480 12630 13472 16419 16640 16840 20208 21892 24960 25260 26944 27365 32838 33680 40416 43784 49920 50520 53888 54730 65676 67360 80832 82095 87568 101040 107776 109460 131352 134720 161664 164190 175136 202080 218920 262704 269440 323328 328380 350272 404160 437840 525408 538880 656760 700544 808320 875680 1050816 1313520 1401088 1616640 1751360 2101632 2627040 3502720 4203264 5254080 7005440 10508160 21016320
- Sum of all divisors σ(n): 72455712
- Sum of proper divisors (its aliquot sum) s(n): 51439392
- 21016320 is an abundant number, because the sum of its proper divisors (51439392) is greater than itself. Its abundance is 30423072
Bases of 21016320
- Binary: 10100000010101111000000002
- Hexadecimal: 0x140AF00
- Base-36: CIGAO
Squares and roots of 21016320
- 21016320 squared (210163202) is 441685706342400
- 21016320 cubed (210163203) is 9282608143917907968000
-
The
square root of 21016320 is 4584.3560071181 -
The
cube root of 21016320 is 275.9638684059
Scales and comparisons
How big is 21016320?- 21,016,320 seconds is equal to 34 weeks, 5 days, 5 hours, 52 minutes.
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To count from 1 to 21,016,320 would take you about twenty 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 21016320 cubic inches would be around 23 feet tall.
Recreational maths with 21016320
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The information we have on file for 21016320 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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