21123065 is an odd 8-digits composite number following 21123064
and preceding 21123066 . In scientific notation, it is written as 2.1123065 × 10^7.
The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors.
There are 16898448 positive integers (up to 21123065) that are relatively prime to 21123065.
21123065 has 4 divisors, whose sum is 25347684
The reverse of 21123065 is 56032112
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty-one million one hundred twenty-three thousand sixty-five
Scientific notation
2.1123065 × 10^7
Engineering notation
2.1123065 × 10^6
Prime Factorization
5 × 4224613
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21123065
Product of the distinct prime numbers
The prime factorization of 21123065 is 5 × 4224613.
Since it has a total of 2 prime factors.
3 , 3 , 71 , 21 , 569 , 709 , 6966 , 2129 , 92988 , 7934 , 614842 , 420797 , 864285 , 4251535 , 50204956 , 34813166 , 208924448 , 406496671 , 4539649016 , 2001570697
n×2
42246130
n×3
63369195
n×4
84492260
n×5
105615325
n÷2
10561532.5
n÷3
7041021.6666667
n÷3
5280766.25
n÷5
4224613
n2
446183874994225
n3
9.4247709934549E+21
n4
1.9908005030486E+29
n5
4.2051808427929E+36
2 √n
4595.9835726425
3 √n
276.43030004811
4 √n
67.793683869831
5 √n
29.17100469033
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
-21123064
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 21123065 can be divided by 4 positive divisors.
The sum of these divisors (counting 21123065) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000100100111111111001
3
Ternary
1110202011101202
4
Quaternary
1100210333321
5
Quinary
20401414230
6
Senary
2032423545
8
Octal
120447771
10
Decimal
21123065
12
Duodecimal
70a7bb5
16
Hexadecimal
1424ff9
20
Vigesimal
6c07d5
36
Base36
ckqnt
md5
699a7e0e8914dd006e61690b473a7215
sha1
28866f53412a2041694d6bdd0995d42716be7593
sha256
0a568cfb1c24a49b457fe7703c10bb6b92e38adb3c6e2d4d9e68d38a6dd18f32
sha512
9830a932f4dedbb6dab07c5a1da5e16f3a4492e69381dcf43ff1f2bd35b44a79ca93c72e4bf946b32012dc1100c0988ff52b3a548a34bdf4dbb28d455c8040a6
ripemd-160
ce75e4ac5509c390ed4d5185e778b300a634bcde
Diameter
42246130
Circumference
132720131.6506
Area
1.4017279838321E+15
Volume
3.9478388419739E+22
Surface area
5.6069119353283E+15
Circumference
132720131.6506
Perimeter
84492260
Area
446183874994225
Diagonal
29872525.001888
Surface area
2677103249965350
Volume
9.4247709934549E+21
Space diagonal
36586221.79158
Perimeter
63369195
Area
1.9320328525199E+14
Altitude
18293110.89579
Surface area
1.9320328525199E+14
Volume
1.1107199134337E+21
Height
9957508.3339628