20731965 is an odd 8-digits composite number following 20731964
and preceding 20731966 . In scientific notation, it is written as 2.0731965 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 11037312 positive integers (up to 20731965) that are relatively prime to 20731965.
20731965 has 16 divisors, whose sum is 33230400
The reverse of 20731965 is 56913702
Previous prime number is 859
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million seven hundred thirty-one thousand nine hundred sixty-five
Scientific notation
2.0731965 × 10^7
Engineering notation
2.0731965 × 10^6
Prime Factorization
3 × 5 × 859 × 1609
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20731965
Product of the distinct prime numbers
The prime factorization of 20731965 is 3 × 5 × 859 × 1609.
Since it has a total of 4 prime factors.
9 , 5 , 67 , 53 , 564 , 834 , 7793 , 9957 , 9229 , 47675 , 810024 , 423772 , 6514268 , 5459652 , 62864063 , 93709935 , 785764124 , 974168679 , 4533925794 , 7690358294
n×2
41463930
n×3
62195895
n×4
82927860
n×5
103659825
n÷2
10365982.5
n÷3
6910655
n÷3
5182991.25
n÷5
4146393
n2
429814372761225
n3
8.9108965325827E+21
n4
1.8474039503213E+29
n5
3.8300314038922E+36
2 √n
4553.2367608109
3 √n
274.71359714182
4 √n
67.477676018154
5 √n
29.062173649377
1 , 3 , 5 , 15 , 859 , 1609 , 2577 , 4295 , 4827 , 8045 , 12885 , 24135 , 1382131 , 4146393 , 6910655 , 20731965
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20731964
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20731965 can be divided by 16 positive divisors.
The sum of these divisors (counting 20731965) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111000101100000111101
3
Ternary
1110000021220120
4
Quaternary
1033011200331
5
Quinary
20301410330
6
Senary
2020205153
8
Octal
117054075
10
Decimal
20731965
12
Duodecimal
6b397b9
16
Hexadecimal
13c583d
20
Vigesimal
69b9i5
36
Base36
cccvx
md5
5db0d349309b3e7aeff0da590d309f5b
sha1
0c7a94b10fdd4de03f9d05addb4d6c9ee2e50a44
sha256
cc25fb68e6057e4477ea4953e6373796b7ade76dc81ec1cccfde0d2f29f3f468
sha512
3d903e6313a19eb812d381fa1c505e0add15c3dfd7a3465670a12f6fae68be26e62abc863597a17766549b26f3f8dab4a513da6258b469b64134a7a3a967492e
ripemd-160
91cb3575829e69fd0904f5fdfc0bee534d986667
Diameter
41463930
Circumference
130262777.87696
Area
1.350301675874E+15
Volume
3.7325876111547E+22
Surface area
5.4012067034959E+15
Circumference
130262777.87696
Perimeter
82927860
Area
429814372761225
Diagonal
29319426.077644
Surface area
2578886236567350
Volume
8.9108965325827E+21
Space diagonal
35908816.72074
Perimeter
62195895
Area
1.8611508286145E+14
Altitude
17954408.36037
Surface area
1.8611508286145E+14
Volume
1.0501592274401E+21
Height
9773142.0258814