21283200
21,283,200 is an even composite number composed of four prime numbers multiplied together.
21283200 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 21283200:
27 × 32 × 52 × 739
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 5 × 739)See below for interesting mathematical facts about the number 21283200 from the Numbermatics database.
Names of 21283200
- Cardinal: 21283200 can be written as Twenty-one million, two hundred eighty-three thousand, two hundred.
Scientific notation
- Scientific notation: 2.12832 × 107
Factors of 21283200
Divisors of 21283200
- Number of divisors d(n): 144
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 32 36 40 45 48 50 60 64 72 75 80 90 96 100 120 128 144 150 160 180 192 200 225 240 288 300 320 360 384 400 450 480 576 600 640 720 739 800 900 960 1152 1200 1440 1478 1600 1800 1920 2217 2400 2880 2956 3200 3600 3695 4434 4800 5760 5912 6651 7200 7390 8868 9600 11085 11824 13302 14400 14780 17736 18475 22170 23648 26604 28800 29560 33255 35472 36950 44340 47296 53208 55425 59120 66510 70944 73900 88680 94592 106416 110850 118240 133020 141888 147800 166275 177360 212832 221700 236480 266040 283776 295600 332550 354720 425664 443400 472960 532080 591200 665100 709440 851328 886800 1064160 1182400 1330200 1418880 1773600 2128320 2364800 2660400 3547200 4256640 5320800 7094400 10641600 21283200
- Sum of all divisors σ(n): 76046100
- Sum of proper divisors (its aliquot sum) s(n): 54762900
- 21283200 is an abundant number, because the sum of its proper divisors (54762900) is greater than itself. Its abundance is 33479700
Bases of 21283200
- Binary: 10100010011000001100000002
- Hexadecimal: 0x144C180
- Base-36: CO680
Squares and roots of 21283200
- 21283200 squared (212832002) is 452974602240000
- 21283200 cubed (212832003) is 9640749054394368000000
-
The
square root of 21283200 is 4613.3718688179 -
The
cube root of 21283200 is 277.1270861369
Scales and comparisons
How big is 21283200?- 21,283,200 seconds is equal to 35 weeks, 1 day, 8 hours.
-
To count from 1 to 21,283,200 would take you about five 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 21283200 cubic inches would be around 23.1 feet tall.
Recreational maths with 21283200
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