20531161 is an odd 8-digits composite number following 20531160
and preceding 20531162 . In scientific notation, it is written as 2.0531161 × 10^7.
The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors.
There are 17598132 positive integers (up to 20531161) that are relatively prime to 20531161.
20531161 has 4 divisors, whose sum is 23464192
The reverse of 20531161 is 16113502
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty million five hundred thirty-one thousand one hundred sixty-one
Scientific notation
2.0531161 × 10^7
Engineering notation
2.0531161 × 10^6
Prime Factorization
7 × 2933023
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20531161
Product of the distinct prime numbers
The prime factorization of 20531161 is 7 × 2933023.
Since it has a total of 2 prime factors.
10 , 9 , 7 , 99 , 823 , 337 , 3768 , 5938 , 44380 , 95810 , 894522 , 436300 , 2012489 , 9118594 , 14326568 , 66772615 , 733571362 , 89530235 , 9580391461 , 2314391899
n×2
41062322
n×3
61593483
n×4
82124644
n×5
102655805
n÷2
10265580.5
n÷3
6843720.3333333
n÷3
5132790.25
n÷5
4106232.2
n2
421528572007921
n3
8.6544709779947E+21
n4
1.7768633701904E+29
n5
3.6481067928381E+36
2 √n
4531.1324191641
3 √n
273.82378514659
4 √n
67.313686714992
5 √n
29.005656646954
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
-20531160
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 20531161 can be divided by 4 positive divisors.
The sum of these divisors (counting 20531161) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110010100011111011001
3
Ternary
1102122002110101
4
Quaternary
1032110133121
5
Quinary
20223444121
6
Senary
2012015401
8
Octal
116243731
10
Decimal
20531161
12
Duodecimal
6a61561
16
Hexadecimal
13947d9
20
Vigesimal
6867i1
36
Base36
c81y1
md5
bd38b1486476cbcbd1c29a82f62e91c3
sha1
bdb7d4b8f22cb95b6d0389b0dcb71cbacb0486c1
sha256
a2837b69b9bf637ac16193080cd0446f34a29b5836db150ab115b70863cba8e2
sha512
841234c5b621aa69deee7b8eaa86f59e0d5ed91905b70cf30a02e40c4ed02711f71d6c83288a621b2dfb610c68d3ca8f3aa01fa948fc38238548fe37858128e8
ripemd-160
23ef44dd8d3e927e7c803655b8809b8d757b8fd9
Diameter
41062322
Circumference
129001089.13454
Area
1.3242710650983E+15
Volume
3.6251763260232E+22
Surface area
5.2970842603931E+15
Circumference
129001089.13454
Perimeter
82124644
Area
421528572007921
Diagonal
29035446.337466
Surface area
2529171432047526
Volume
8.6544709779947E+21
Space diagonal
35561013.990377
Perimeter
61593483
Area
1.8252722588992E+14
Altitude
17780506.995188
Surface area
1.8252722588992E+14
Volume
1.0199391860204E+21
Height
9678482.1124885