21321793600
21,321,793,600 is an even composite number composed of four prime numbers multiplied together.
21321793600 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of eighty-four divisors.
Prime factorization of 21321793600:
26 × 52 × 61 × 218461
(2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 61 × 218461)See below for interesting mathematical facts about the number 21321793600 from the Numbermatics database.
Names of 21321793600
- Cardinal: 21321793600 can be written as Twenty-one billion, three hundred twenty-one million, seven hundred ninety-three thousand, six hundred.
Scientific notation
- Scientific notation: 2.13217936 × 1010
Factors of 21321793600
Divisors of 21321793600
- Number of divisors d(n): 84
-
Complete list of divisors:
1 2 4 5 8 10 16 20 25 32 40 50 61 64 80 100 122 160 200 244 305 320 400 488 610 800 976 1220 1525 1600 1952 2440 3050 3904 4880 6100 9760 12200 19520 24400 48800 97600 218461 436922 873844 1092305 1747688 2184610 3495376 4369220 5461525 6990752 8738440 10923050 13326121 13981504 17476880 21846100 26652242 34953760 43692200 53304484 66630605 69907520 87384400 106608968 133261210 174768800 213217936 266522420 333153025 349537600 426435872 533044840 666306050 852871744 1066089680 1332612100 2132179360 2665224200 4264358720 5330448400 10660896800 21321793600
- Sum of all divisors σ(n): 53325263428
- Sum of proper divisors (its aliquot sum) s(n): 32003469828
- 21321793600 is an abundant number, because the sum of its proper divisors (32003469828) is greater than itself. Its abundance is 10681676228
Bases of 21321793600
- Binary: 100111101101110000011000000010000002
- Hexadecimal: 0x4F6E0C040
- Base-36: 9SMG18G
Squares and roots of 21321793600
- 21321793600 squared (213217936002) is 454618882321000960000
- 21321793600 cubed (213217936003) is 9693289975511071414521856000000
-
The
square root of 21321793600 is 146019.8397478917 -
The
cube root of 21321793600 is 2772.9449319445
Scales and comparisons
How big is 21321793600?- 21,321,793,600 seconds is equal to 677 years, 50 weeks, 2 days, 26 minutes, 40 seconds.
-
To count from 1 to 21,321,793,600 would take you about one thousand, three hundred fifty-five years!
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 21321793600 cubic inches would be around 231.1 feet tall.
Recreational maths with 21321793600
- 21321793600 backwards is 00639712312
- The number of decimal digits it has is: 11
- The sum of 21321793600's digits is 34
- More coming soon!
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