21075908 is an even 8-digits composite number following 21075907
and preceding 21075909 . In scientific notation, it is written as 2.1075908 × 10^7.
The sum of its digits is 32. It has a total of 5 prime factors and 24 positive divisors.
There are 8740800 positive integers (up to 21075908) that are relatively prime to 21075908.
21075908 has 24 divisors, whose sum is 43513344
The reverse of 21075908 is 80957012
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million seventy-five thousand nine hundred eight
Scientific notation
2.1075908 × 10^7
Engineering notation
2.1075908 × 10^6
Prime Factorization
2 × 2 × 7 × 31 × 24281
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10537954
Product of the distinct prime numbers
The prime factorization of 21075908 is 2 × 2 × 7 × 31 × 24281.
Since it has a total of 5 prime factors.
4 , 6 , 74 , 89 , 905 , 657 , 9223 , 9644 , 56374 , 44039 , 379839 , 127784 , 8630104 , 8216672 , 91083605 , 98658677 , 578333095 , 957946443 , 3218441203 , 3027589208
n×2
42151816
n×3
63227724
n×4
84303632
n×5
105379540
n÷2
10537954
n÷3
7025302.6666667
n÷3
5268977
n÷5
4215181.6
n2
444193898024464
n3
9.361789728925E+21
n4
1.9730821904217E+29
n5
4.1584498721766E+36
2 √n
4590.8504658723
3 √n
276.22443762023
4 √n
67.755814996739
5 √n
29.157968257067
1 , 2 , 4 , 7 , 14 , 28 , 31 , 62 , 124 , 217 , 434 , 868 , 24281 , 48562 , 97124 , 169967 , 339934 , 679868 , 752711 , 1505422 , 3010844 , 5268977 , 10537954 , 21075908
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21075907
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21075908 can be divided by 24 positive divisors.
The sum of these divisors (counting 21075908) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000011001011111000100
3
Ternary
1110122202201012
4
Quaternary
1100121133010
5
Quinary
20343412113
6
Senary
2031421352
8
Octal
120313704
10
Decimal
21075908
12
Duodecimal
7084858
16
Hexadecimal
14197c4
20
Vigesimal
6be9f8
36
Base36
cjq9w
md5
8aec511263a93e0ab33ec181beb28852
sha1
868f3fbb99bf0b409668c0da14df0d11b9eca8f8
sha256
b64ef5ee9999a4ccd78a71625ff9dff2ed7a09c564466fc6758050acb356f99e
sha512
675f3638d842992601ba928e079de96ad5dbbab181f2a15a3f5f10a3f5f1e09e893f0167fb8bab8046c7f412abd2b2146982889aced106c41bf841b4f57850fa
ripemd-160
8e9e54dcaf294caafc06e24eb5d5de6c71ac8937
Diameter
42151816
Circumference
132423835.48107
Area
1.3954762868031E+15
Volume
3.9214573115791E+22
Surface area
5.5819051472123E+15
Circumference
132423835.48107
Perimeter
84303632
Area
444193898024464
Diagonal
29805834.932928
Surface area
2665163388146784
Volume
9.361789728925E+21
Space diagonal
36504543.471647
Perimeter
63227724
Area
1.9234159994761E+14
Altitude
18252271.735824
Surface area
1.9234159994761E+14
Volume
1.1032975002276E+21
Height
9935278.3109759