20390969 (number)

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.

Interesting facts

Basic properties

Name

Name twenty million three hundred ninety thousand nine hundred sixty-nine

Notation

Scientific notation 2.0390969 × 10^7
Engineering notation 2.0390969 × 10^6

Prime Factorization of 20390969

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.

Most popular turbo-numbers

Basic calculations (n = 20390969)

Multiplication

n×y
n×2 40781938
n×3 61172907
n×4 81563876
n×5 101954845

Division

n÷y
n÷2 10195484.5
n÷3 6796989.6666667
n÷3 5097742.25
n÷5 4078193.8

Exponentiation

ny
n2 415791616758961
n3 8.4783939677919E+21
n4 1.7288266856703E+29
n5 3.5252451353876E+36

Nth Root

y√n
2√n 4515.6360570799
3√n 273.19911498162
4√n 67.198482550426
5√n 28.965936407093

Divisors of 20390969

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 conversion 20390969

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

Cryptographic Hash Functions

md5 6c3091f3ef6c165216f9f2b99fc2d23a
sha1 3f63c95d07ad8bfcd99638050c186554e3e7bf44
sha256 50e1a5056b5f3222ff00e6d59595a63dec57df132656f227d100267eae292650
sha512 d51a5ff4c6ae06b8c21483a6f5cd7d1b90768ac877412597c2f5a24734280e81f19604d2d4f67934f4d77d3023fe9cdfad241450e358c96efeae6157fe3362ec
ripemd-160 15c17e53b5e96f3c567542a00364029379a1c84e

20390969 as geometric shapes

Circle

Radius = n
Diameter 40781938
Circumference 128120236.81995
Area 1.3062478886342E+15

Sphere

Radius = n
Volume 3.5514213604607E+22
Surface area 5.2249915545367E+15
Circumference 128120236.81995

Square

Length = n
Perimeter 81563876
Area 415791616758961
Diagonal 28837184.909729

Cube

Length = n
Surface area 2494749700553766
Volume 8.4783939677919E+21
Space diagonal 35318194.323562

Equilateral Triangle

Length = n
Perimeter 61172907
Area 1.8004305139693E+14
Altitude 17659097.161781

Triangular Pyramid

Length = n
Surface area 1.8004305139693E+14
Volume 9.9918831136612E+20
Height 9612394.9699098