20971264 is an even 8-digits composite number following 20971263
and preceding 20971265 . In scientific notation, it is written as 2.0971264 × 10^7.
The sum of its digits is 31. It has a total of 9 prime factors and 18 positive divisors.
There are 10485504 positive integers (up to 20971264) that are relatively prime to 20971264.
20971264 has 18 divisors, whose sum is 41861120
The reverse of 20971264 is 46217902
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million nine hundred seventy-one thousand two hundred sixty-four
Scientific notation
2.0971264 × 10^7
Engineering notation
2.0971264 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 81919
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
9
Total number of prime factors
rad
Radical
163838
Product of the distinct prime numbers
The prime factorization of 20971264 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 81919.
Since it has a total of 9 prime factors.
7 , 10 , 69 , 31 , 202 , 697 , 342 , 8443 , 54420 , 38168 , 877986 , 718989 , 7970710 , 3520693 , 13040110 , 27766429 , 326168681 , 289495439 , 3061294710 , 8675978808
n×2
41942528
n×3
62913792
n×4
83885056
n×5
104856320
n÷2
10485632
n÷3
6990421.3333333
n÷3
5242816
n÷5
4194252.8
n2
439793913757696
n3
9.2230342710059E+21
n4
1.9341868657831E+29
n5
4.056234338767E+36
2 √n
4579.4392669846
3 √n
275.76651821811
4 √n
67.671554341426
5 √n
29.128956132281
1 , 2 , 4 , 8 , 16 , 32 , 64 , 128 , 256 , 81919 , 163838 , 327676 , 655352 , 1310704 , 2621408 , 5242816 , 10485632 , 20971264
18 divisors
τ
Total Divisors
18
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20971263
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.055555555555556
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
18
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20971264 can be divided by 18 positive divisors.
The sum of these divisors (counting 20971264) is 1, the average is 0.055555555555556.
Base
System
Value
2
Binary
1001111111111111100000000
3
Ternary
1110110110011111
4
Quaternary
1033333330000
5
Quinary
20332040024
6
Senary
2025253104
8
Octal
117777400
10
Decimal
20971264
12
Duodecimal
7034194
16
Hexadecimal
13fff00
20
Vigesimal
6b1834
36
Base36
chhj4
md5
4d7e8565893dcfee9177ed22ef206915
sha1
758d63a5dff090648966a76e74158571b3cb4888
sha256
4d7bdff3be7fee96e6c9770489ae08377ae4ebc54eba422e10496a857534f972
sha512
986faf4589581af7ff56005cc5106f421880b35b4754452a3b371e7afd4c7b431591556451236c1fa455311da5d40c8f21339cac59f2fd5575457d73d7aa9f48
ripemd-160
43308684347225ebc67969be3cdd4a70bb62a932
Diameter
41942528
Circumference
131766337.83778
Area
1.3816533285547E+15
Volume
3.8633355612799E+22
Surface area
5.5266133142187E+15
Circumference
131766337.83778
Perimeter
83885056
Area
439793913757696
Diagonal
29657845.968907
Surface area
2638763482546176
Volume
9.2230342710059E+21
Space diagonal
36323294.74694
Perimeter
62913792
Area
1.9043635087197E+14
Altitude
18161647.37347
Surface area
1.9043635087197E+14
Volume
1.0869450126907E+21
Height
9885948.6563022