21331200
21,331,200 is an even composite number composed of five prime numbers multiplied together.
21331200 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred sixteen divisors.
Prime factorization of 21331200:
28 × 3 × 52 × 11 × 101
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 5 × 11 × 101)See below for interesting mathematical facts about the number 21331200 from the Numbermatics database.
Names of 21331200
- Cardinal: 21331200 can be written as Twenty-one million, three hundred thirty-one thousand, two hundred.
Scientific notation
- Scientific notation: 2.13312 × 107
Factors of 21331200
Divisors of 21331200
- Number of divisors d(n): 216
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Complete list of divisors:
1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 25 30 32 33 40 44 48 50 55 60 64 66 75 80 88 96 100 101 110 120 128 132 150 160 165 176 192 200 202 220 240 256 264 275 300 303 320 330 352 384 400 404 440 480 505 528 550 600 606 640 660 704 768 800 808 825 880 960 1010 1056 1100 1111 1200 1212 1280 1320 1408 1515 1600 1616 1650 1760 1920 2020 2112 2200 2222 2400 2424 2525 2640 2816 3030 3200 3232 3300 3333 3520 3840 4040 4224 4400 4444 4800 4848 5050 5280 5555 6060 6400 6464 6600 6666 7040 7575 8080 8448 8800 8888 9600 9696 10100 10560 11110 12120 12928 13200 13332 14080 15150 16160 16665 17600 17776 19200 19392 20200 21120 22220 24240 25856 26400 26664 27775 30300 32320 33330 35200 35552 38784 40400 42240 44440 48480 52800 53328 55550 60600 64640 66660 70400 71104 77568 80800 83325 88880 96960 105600 106656 111100 121200 129280 133320 142208 161600 166650 177760 193920 211200 213312 222200 242400 266640 284416 323200 333300 355520 387840 426624 444400 484800 533280 646400 666600 711040 853248 888800 969600 1066560 1333200 1422080 1777600 1939200 2133120 2666400 3555200 4266240 5332800 7110400 10665600 21331200
- Sum of all divisors σ(n): 77557536
- Sum of proper divisors (its aliquot sum) s(n): 56226336
- 21331200 is an abundant number, because the sum of its proper divisors (56226336) is greater than itself. Its abundance is 34895136
Bases of 21331200
- Binary: 10100010101111101000000002
- Hexadecimal: 0x1457D00
- Base-36: CP79C
Squares and roots of 21331200
- 21331200 squared (213312002) is 455020093440000
- 21331200 cubed (213312003) is 9706124617187328000000
-
The
square root of 21331200 is 4618.5712076355 -
The
cube root of 21331200 is 277.3352646151
Scales and comparisons
How big is 21331200?- 21,331,200 seconds is equal to 35 weeks, 1 day, 21 hours, 20 minutes.
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To count from 1 to 21,331,200 would take you about six 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 21331200 cubic inches would be around 23.1 feet tall.
Recreational maths with 21331200
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