20731065 is an odd 8-digits composite number following 20731064
and preceding 20731066 . In scientific notation, it is written as 2.0731065 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 10984896 positive integers (up to 20731065) that are relatively prime to 20731065.
20731065 has 16 divisors, whose sum is 33384768
The reverse of 20731065 is 56013702
Previous prime number is 157
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million seven hundred thirty-one thousand sixty-five
Scientific notation
2.0731065 × 10^7
Engineering notation
2.0731065 × 10^6
Prime Factorization
3 × 5 × 157 × 8803
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20731065
Product of the distinct prime numbers
The prime factorization of 20731065 is 3 × 5 × 157 × 8803.
Since it has a total of 4 prime factors.
8 , 3 , 42 , 22 , 810 , 405 , 4529 , 8805 , 56472 , 92826 , 28339 , 705236 , 7520428 , 1622268 , 19263062 , 30538880 , 745688269 , 87441778 , 6869409423 , 305436559
n×2
41462130
n×3
62193195
n×4
82924260
n×5
103655325
n÷2
10365532.5
n÷3
6910355
n÷3
5182766.25
n÷5
4146213
n2
429777056034225
n3
8.9097360841542E+21
n4
1.8470831789345E+29
n5
3.8292001442897E+36
2 √n
4553.1379289453
3 √n
274.70962186636
4 √n
67.476943684086
5 √n
29.061921320083
1 , 3 , 5 , 15 , 157 , 471 , 785 , 2355 , 8803 , 26409 , 44015 , 132045 , 1382071 , 4146213 , 6910355 , 20731065
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
-20731064
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 20731065 can be divided by 16 positive divisors.
The sum of these divisors (counting 20731065) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111000101010010111001
3
Ternary
1110000020200020
4
Quaternary
1033011102321
5
Quinary
20301343230
6
Senary
2020201053
8
Octal
117052271
10
Decimal
20731065
12
Duodecimal
6b39189
16
Hexadecimal
13c54b9
20
Vigesimal
69b7d5
36
Base36
ccc6x
md5
5625009cc7121bd9d3cf91b1fa5aeea6
sha1
04f3392b0e97758c21284dfa89942cc8eed2284d
sha256
f8b68c2c2cbf47a88e1ccfdaf50bcb954f7ef9b139a0e4c1b36156f6343912ef
sha512
12a8bfca214fa22bcfc2714ad382032ccf47c2977b4405e439df443a11a85b16f6e15f8570e4041524a3128805b0b97c0858ca53192f580087c784924f507e8c
ripemd-160
b8c86fe08cbe75887f9be439aa97dd05729efc36
Diameter
41462130
Circumference
130257123.01018
Area
1.3501844419186E+15
Volume
3.7321015236537E+22
Surface area
5.4007377676743E+15
Circumference
130257123.01018
Perimeter
82924260
Area
429777056034225
Diagonal
29318153.285438
Surface area
2578662336205350
Volume
8.9097360841542E+21
Space diagonal
35907257.875013
Perimeter
62193195
Area
1.8609892424466E+14
Altitude
17953628.937506
Surface area
1.8609892424466E+14
Volume
1.0500224672813E+21
Height
9772717.7618127