21093209 is an odd 8-digits composite number following 21093208
and preceding 21093210 . In scientific notation, it is written as 2.1093209 × 10^7.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 19852416 positive integers (up to 21093209) that are relatively prime to 21093209.
21093209 has 4 divisors, whose sum is 22334004
The reverse of 21093209 is 90239012
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million ninety-three thousand two hundred nine
Scientific notation
2.1093209 × 10^7
Engineering notation
2.1093209 × 10^6
Prime Factorization
17 × 1240777
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21093209
Product of the distinct prime numbers
The prime factorization of 21093209 is 17 × 1240777.
Since it has a total of 2 prime factors.
4 , 7 , 54 , 3 , 17 , 702 , 1969 , 3057 , 26344 , 36504 , 686929 , 186198 , 4608879 , 3466422 , 34812360 , 14083355 , 775182230 , 141911367 , 6572460837 , 9663452866
n×2
42186418
n×3
63279627
n×4
84372836
n×5
105466045
n÷2
10546604.5
n÷3
7031069.6666667
n÷3
5273302.25
n÷5
4218641.8
n2
444923465917681
n3
9.384863655606E+21
n4
1.979568905242E+29
n5
4.1755460648171E+36
2 √n
4592.7343707208
3 √n
276.30000023142
4 √n
67.769715734396
5 √n
29.162753782296
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
-21093208
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 21093209 can be divided by 4 positive divisors.
The sum of these divisors (counting 21093209) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000011101101101011001
3
Ternary
1110200122102222
4
Quaternary
1100131231121
5
Quinary
20344440314
6
Senary
2032033425
8
Octal
120355531
10
Decimal
21093209
12
Duodecimal
7092875
16
Hexadecimal
141db59
20
Vigesimal
6bgd09
36
Base36
ck3mh
md5
dd1d67c5ea1601dccb9d83390227800d
sha1
52ecbc9c895ad6ae48ef523ed68edceac6036d2f
sha256
39e7808b03cfd47e9e3697f08a66c2be9042561c2ce89d5d41c18b4a28352957
sha512
9c4bdd69857a335a7a36c92fabc6b3042e0b4053149889484383c0c022cf0fc2b3c7294469a4ad7a14054a1bcfccd73d4c783d87828ca136c654ca21f82f3417
ripemd-160
c1c74b4ec495179bb9204e5bb47d20d3bc7e2dd4
Diameter
42186418
Circumference
132532540.87007
Area
1.3977682919367E+15
Volume
3.9311224953858E+22
Surface area
5.5910731677468E+15
Circumference
132532540.87007
Perimeter
84372836
Area
444923465917681
Diagonal
29830302.24177
Surface area
2669540795506086
Volume
9.384863655606E+21
Space diagonal
36534509.682669
Perimeter
63279627
Area
1.9265751211227E+14
Altitude
18267254.841335
Surface area
1.9265751211227E+14
Volume
1.106016788565E+21
Height
9943434.0805901