20218982 is an even 8-digits composite number following 20218981
and preceding 20218983 . In scientific notation, it is written as 2.0218982 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 8665272 positive integers (up to 20218982) that are relatively prime to 20218982.
20218982 has 8 divisors, whose sum is 34661136
The reverse of 20218982 is 28981202
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million two hundred eighteen thousand nine hundred eighty-two
Scientific notation
2.0218982 × 10^7
Engineering notation
2.0218982 × 10^6
Prime Factorization
2 × 7 × 1444213
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20218982
Product of the distinct prime numbers
The prime factorization of 20218982 is 2 × 7 × 1444213.
Since it has a total of 3 prime factors.
2 , 6 , 62 , 65 , 839 , 912 , 4629 , 1949 , 60414 , 35092 , 967457 , 455952 , 840273 , 8693357 , 67456555 , 65928008 , 467727179 , 211947435 , 2517734960 , 7244833358
n×2
40437964
n×3
60656946
n×4
80875928
n×5
101094910
n÷2
10109491
n÷3
6739660.6666667
n÷3
5054745.5
n÷5
4043796.4
n2
408807233116324
n3
8.2656660878488E+21
n4
1.6712335384822E+29
n5
3.3790640832369E+36
2 √n
4496.5522347683
3 √n
272.42884880295
4 √n
67.056336276062
5 √n
28.916908256612
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
-20218981
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 20218982 can be divided by 8 positive divisors.
The sum of these divisors (counting 20218982) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101001000010001100110
3
Ternary
1102001020020012
4
Quaternary
1031020101212
5
Quinary
20134001412
6
Senary
2001210222
8
Octal
115102146
10
Decimal
20218982
12
Duodecimal
6930972
16
Hexadecimal
1348466
20
Vigesimal
667792
36
Base36
c1d2e
md5
d223fc857bc3d9daf5850653545bf4cf
sha1
a86a99d3bbad4039e50ffd8642361e3408266a97
sha256
4f5fc5d6117af8c535b4016456e57932a48538eda7bb45b987b04cef245f4ff5
sha512
0a193043dc422d30a63b9223f26dc8cf4a822eaa2533cff95e610a358ba2b0e0c0e26f745517e72e07b5c646fdc7e6263c8af254739812251b8a1db027be4835
ripemd-160
57ce485793991bf9cd4a4b0c0d769bf27687411c
Diameter
40437964
Circumference
127039610.62853
Area
1.2843058002926E+15
Volume
3.4623141144816E+22
Surface area
5.1372232011705E+15
Circumference
127039610.62853
Perimeter
80875928
Area
408807233116324
Diagonal
28593958.561777
Surface area
2452843398697944
Volume
8.2656660878488E+21
Space diagonal
35020304.101321
Perimeter
60656946
Area
1.7701872456478E+14
Altitude
17510152.05066
Surface area
1.7701872456478E+14
Volume
9.7411809029026E+20
Height
9531319.5205925