20390969 is an odd 8-digits composite number following 20390968
and preceding 20390970 . In scientific notation, it is written as 2.0390969 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 20284020 positive integers (up to 20390969) that are relatively prime to 20390969.
20390969 has 4 divisors, whose sum is 20497920
The reverse of 20390969 is 96909302
Previous prime number is 191
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million three hundred ninety thousand nine hundred sixty-nine
Scientific notation
2.0390969 × 10^7
Engineering notation
2.0390969 × 10^6
Prime Factorization
191 × 106759
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20390969
Product of the distinct prime numbers
The prime factorization of 20390969 is 191 × 106759.
Since it has a total of 2 prime factors.
8 , 2 , 61 , 21 , 242 , 857 , 6765 , 2309 , 7270 , 77294 , 278991 , 462937 , 2061788 , 5199394 , 67755281 , 77454944 , 102671943 , 563812701 , 955923316 , 7692615777
n×2
40781938
n×3
61172907
n×4
81563876
n×5
101954845
n÷2
10195484.5
n÷3
6796989.6666667
n÷3
5097742.25
n÷5
4078193.8
n2
415791616758961
n3
8.4783939677919E+21
n4
1.7288266856703E+29
n5
3.5252451353876E+36
2 √n
4515.6360570799
3 √n
273.19911498162
4 √n
67.198482550426
5 √n
28.965936407093
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
-20390968
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 20390969 can be divided by 4 positive divisors.
The sum of these divisors (counting 20390969) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101110010010000111001
3
Ternary
1102100222011002
4
Quaternary
1031302100321
5
Quinary
20210002334
6
Senary
2005014345
8
Octal
115622071
10
Decimal
20390969
12
Duodecimal
69b43b5
16
Hexadecimal
1372439
20
Vigesimal
678h89
36
Base36
c51rt
md5
6c3091f3ef6c165216f9f2b99fc2d23a
sha1
3f63c95d07ad8bfcd99638050c186554e3e7bf44
sha256
50e1a5056b5f3222ff00e6d59595a63dec57df132656f227d100267eae292650
sha512
d51a5ff4c6ae06b8c21483a6f5cd7d1b90768ac877412597c2f5a24734280e81f19604d2d4f67934f4d77d3023fe9cdfad241450e358c96efeae6157fe3362ec
ripemd-160
15c17e53b5e96f3c567542a00364029379a1c84e
Diameter
40781938
Circumference
128120236.81995
Area
1.3062478886342E+15
Volume
3.5514213604607E+22
Surface area
5.2249915545367E+15
Circumference
128120236.81995
Perimeter
81563876
Area
415791616758961
Diagonal
28837184.909729
Surface area
2494749700553766
Volume
8.4783939677919E+21
Space diagonal
35318194.323562
Perimeter
61172907
Area
1.8004305139693E+14
Altitude
17659097.161781
Surface area
1.8004305139693E+14
Volume
9.9918831136612E+20
Height
9612394.9699098