21051311 is an odd 8-digits prime number following 21051310
and preceding 21051312 . In scientific notation, it is written as 2.1051311 × 10^7.
The sum of its digits is 14. It has a total of 1 prime factors and 2 positive divisors.
There are 21051310 positive integers (up to 21051311) that are relatively prime to 21051311.
21051311 has 2 divisors, whose sum is 21051312
The reverse of 21051311 is 11315012
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 14
Digital Root 5
Name
twenty-one million fifty-one thousand three hundred eleven
Scientific notation
2.1051311 × 10^7
Engineering notation
2.1051311 × 10^6
Prime Factorization
21051311
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21051311
Product of the distinct prime numbers
The prime factorization of 21051311 is 21051311.
Since it has a total of 1 prime factors.
4 , 2 , 46 , 99 , 702 , 835 , 8388 , 301 , 56873 , 35816 , 135760 , 163796 , 6461165 , 5982874 , 9261977 , 33030566 , 5260538 , 660349938 , 1066614798 , 7295115334
n×2
42102622
n×3
63153933
n×4
84205244
n×5
105256555
n÷2
10525655.5
n÷3
7017103.6666667
n÷3
5262827.75
n÷5
4210262.2
n2
443157694818721
n3
9.329050455672E+21
n4
1.9638874247704E+29
n5
4.1342404947831E+36
2 √n
4588.1707684
3 √n
276.11693830017
4 √n
67.736037442413
5 √n
29.151159216266
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21051312
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10525656
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4588.1708773759
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.999999904994
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21051311 can be divided by 2 positive divisors.
The sum of these divisors (counting 21051311) is 21051312, the average is 10525656.
Base
System
Value
2
Binary
1010000010011011110101111
3
Ternary
1110121111222012
4
Quaternary
1100103132233
5
Quinary
20342120221
6
Senary
2031111435
8
Octal
120233657
10
Decimal
21051311
12
Duodecimal
707257b
16
Hexadecimal
14137af
20
Vigesimal
6bb85b
36
Base36
cj7an
md5
3d19b8888b05b1bf68e47a173274525b
sha1
2a0eac53fac2b9d0761200615e36a01b4f7323de
sha256
6166189b63e96d8d44ed35f008701a38fa7a733d4d82213ee1f57f2735a6225f
sha512
73c32dd8e361a43a2684f9bd2c7c1a400b25bc311465f374c62a65d8a96e191f8365494fae07dffe304c3347ea72ec14df3ad384734be5f4ffe37b48fc271f29
ripemd-160
784dc8770e76363983577429262008a03bfb14c4
Diameter
42102622
Circumference
132269287.97207
Area
1.3922209584243E+15
Volume
3.9077435168677E+22
Surface area
5.5688838336971E+15
Circumference
132269287.97207
Perimeter
84205244
Area
443157694818721
Diagonal
29771049.521934
Surface area
2658946168912326
Volume
9.329050455672E+21
Space diagonal
36461940.217934
Perimeter
63153933
Area
1.9189291079778E+14
Altitude
18230970.108967
Surface area
1.9189291079778E+14
Volume
1.0994391398729E+21
Height
9923683.173978