21068400
21,068,400 is an even composite number composed of five prime numbers multiplied together.
21068400 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 21068400:
24 × 3 × 52 × 97 × 181
(2 × 2 × 2 × 2 × 3 × 5 × 5 × 97 × 181)See below for interesting mathematical facts about the number 21068400 from the Numbermatics database.
Names of 21068400
- Cardinal: 21068400 can be written as Twenty-one million, sixty-eight thousand, four hundred.
Scientific notation
- Scientific notation: 2.10684 × 107
Factors of 21068400
Divisors of 21068400
- Number of divisors d(n): 120
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 97 100 120 150 181 194 200 240 291 300 362 388 400 485 543 582 600 724 776 905 970 1086 1164 1200 1448 1455 1552 1810 1940 2172 2328 2425 2715 2896 2910 3620 3880 4344 4525 4656 4850 5430 5820 7240 7275 7760 8688 9050 9700 10860 11640 13575 14480 14550 17557 18100 19400 21720 23280 27150 29100 35114 36200 38800 43440 52671 54300 58200 70228 72400 87785 105342 108600 116400 140456 175570 210684 217200 263355 280912 351140 421368 438925 526710 702280 842736 877850 1053420 1316775 1404560 1755700 2106840 2633550 3511400 4213680 5267100 7022800 10534200 21068400
- Sum of all divisors σ(n): 68561584
- Sum of proper divisors (its aliquot sum) s(n): 47493184
- 21068400 is an abundant number, because the sum of its proper divisors (47493184) is greater than itself. Its abundance is 26424784
Bases of 21068400
- Binary: 10100000101111010011100002
- Hexadecimal: 0x1417A70
- Base-36: CJKHC
Squares and roots of 21068400
- 21068400 squared (210684002) is 443877478560000
- 21068400 cubed (210684003) is 9351788269293504000000
-
The
square root of 21068400 is 4590.0326796223 -
The
cube root of 21068400 is 276.1916333493
Scales and comparisons
How big is 21068400?- 21,068,400 seconds is equal to 34 weeks, 5 days, 20 hours, 20 minutes.
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To count from 1 to 21,068,400 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 21068400 cubic inches would be around 23 feet tall.
Recreational maths with 21068400
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The information we have on file for 21068400 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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