20806461 is an odd 8-digits composite number following 20806460
and preceding 20806462 . In scientific notation, it is written as 2.0806461 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 12713760 positive integers (up to 20806461) that are relatively prime to 20806461.
20806461 has 8 divisors, whose sum is 21132384
The reverse of 20806461 is 16460802
Previous prime number is 163
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million eight hundred six thousand four hundred sixty-one
Scientific notation
2.0806461 × 10^7
Engineering notation
2.0806461 × 10^6
Prime Factorization
117 × 163 × 1091
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20806461
Product of the distinct prime numbers
The prime factorization of 20806461 is 117 × 163 × 1091.
Since it has a total of 3 prime factors.
9 , 1 , 81 , 57 , 434 , 351 , 6234 , 7919 , 33 , 2927 , 475364 , 332493 , 4001133 , 651223 , 98120483 , 91835227 , 563495695 , 733900526 , 7607426684 , 5035325244
n×2
41612922
n×3
62419383
n×4
83225844
n×5
104032305
n÷2
10403230.5
n÷3
6935487
n÷3
5201615.25
n÷5
4161292.2
n2
432908819344521
n3
9.0073004662478E+21
n4
1.8741004586627E+29
n5
3.8993398103247E+36
2 √n
4561.4099793814
3 √n
275.0422458514
4 √n
67.538211253937
5 √n
29.083029468563
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20806460
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20806461 can be divided by 8 positive divisors.
The sum of these divisors (counting 20806461) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111010111101100111101
3
Ternary
1110011002002200
4
Quaternary
1033113230331
5
Quinary
20311301321
6
Senary
2021542113
8
Octal
117275475
10
Decimal
20806461
12
Duodecimal
6b74939
16
Hexadecimal
13d7b3d
20
Vigesimal
6a0g31
36
Base36
cdyd9
md5
a167b466c2a832ea49f77fe438a7e030
sha1
84dca513d2f30fc86b75f8389556fac97a273e53
sha256
039e8ef525a1445e17e97486c2f9059b769ec17dc20571dbbf9cf3422774d20f
sha512
ec764e9a710c0b158d4ca97ad45729c1979a59a9866ef3115c00cc5572235e3db1fef8025301221e5d49ba6154c45bb157f28c2443345a946ee978964ac1c7fc
ripemd-160
794a318b9609fd632411dda91f585159160e759d
Diameter
41612922
Circumference
130730850.04961
Area
1.360023166527E+15
Volume
3.7729691964587E+22
Surface area
5.4400926661079E+15
Circumference
130730850.04961
Perimeter
83225844
Area
432908819344521
Diagonal
29424779.331187
Surface area
2597452916067126
Volume
9.0073004662478E+21
Space diagonal
36037847.5777
Perimeter
62419383
Area
1.8745501753734E+14
Altitude
18018923.78885
Surface area
1.8745501753734E+14
Volume
1.0615205399781E+21
Height
9808259.7770623