20656481 is an odd 8-digits composite number following 20656480
and preceding 20656482 . In scientific notation, it is written as 2.0656481 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 20466864 positive integers (up to 20656481) that are relatively prime to 20656481.
20656481 has 4 divisors, whose sum is 20846100
The reverse of 20656481 is 18465602
Previous prime number is 109
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million six hundred fifty-six thousand four hundred eighty-one
Scientific notation
2.0656481 × 10^7
Engineering notation
2.0656481 × 10^6
Prime Factorization
109 × 189509
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20656481
Product of the distinct prime numbers
The prime factorization of 20656481 is 109 × 189509.
Since it has a total of 2 prime factors.
9 , 2 , 50 , 8 , 262 , 577 , 6903 , 8958 , 42229 , 72679 , 22866 , 610059 , 2944047 , 2273429 , 73252501 , 27283554 , 844003592 , 143380225 , 9331459432 , 3354085472
n×2
41312962
n×3
61969443
n×4
82625924
n×5
103282405
n÷2
10328240.5
n÷3
6885493.6666667
n÷3
5164120.25
n÷5
4131296.2
n2
426690207303361
n3
8.8139181600479E+21
n4
1.8206453300859E+29
n5
3.7608125668657E+36
2 √n
4544.9401536214
3 √n
274.37978573817
4 √n
67.416171306456
5 √n
29.040979990076
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20656480
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20656481 can be divided by 4 positive divisors.
The sum of these divisors (counting 20656481) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110110011000101100001
3
Ternary
1102212110100212
4
Quaternary
1032303011201
5
Quinary
20242001411
6
Senary
2014423505
8
Octal
116630541
10
Decimal
20656481
12
Duodecimal
6b01b95
16
Hexadecimal
13b3161
20
Vigesimal
692141
36
Base36
caqn5
md5
dbd33a8f38e9079ff07a97321dd7b889
sha1
bfce6f09f9755bbe4812c3d36e6097874dae19c3
sha256
76db3139145d4d40e76f7165f530c1bbeae282eb593031d5a56f46af90b17a57
sha512
62133d6827e0c29748c8a7c0e3658cb648bd393c35f4d201d28bb323bddba9df7a7c48d86bf8781b7e985e85e3ac5f2fd07fa9f83a62e17067bd0268b557dc2e
ripemd-160
3131cdee649d0e735ce97ca3254476fab1e008a8
Diameter
41312962
Circumference
129788497.91723
Area
1.3404868206229E+15
Volume
3.6919654054598E+22
Surface area
5.3619472824918E+15
Circumference
129788497.91723
Perimeter
82625924
Area
426690207303361
Diagonal
29212675.581102
Surface area
2560141243820166
Volume
8.8139181600479E+21
Space diagonal
35778074.597581
Perimeter
61969443
Area
1.8476227953538E+14
Altitude
17889037.298791
Surface area
1.8476227953538E+14
Volume
1.0387302166322E+21
Height
9737558.5270341