20565989 (number)

20565989 is an odd 8-digits composite number following 20565988 and preceding 20565990. In scientific notation, it is written as 2.0565989 × 10^7. The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors. There are 19660320 positive integers (up to 20565989) that are relatively prime to 20565989.

Interesting facts

Basic properties

Name

Name twenty million five hundred sixty-five thousand nine hundred eighty-nine

Notation

Scientific notation 2.0565989 × 10^7
Engineering notation 2.0565989 × 10^6

Prime Factorization of 20565989

Prime Factorization 31 × 83 × 7993

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20565989
Product of the distinct prime numbers

The prime factorization of 20565989 is 31 × 83 × 7993. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20565989)

Multiplication

n×y
n×2 41131978
n×3 61697967
n×4 82263956
n×5 102829945

Division

n÷y
n÷2 10282994.5
n÷3 6855329.6666667
n÷3 5141497.25
n÷5 4113197.8

Exponentiation

ny
n2 422959903548121
n3 8.6985887238117E+21
n4 1.7889508000944E+29
n5 3.6791542476282E+36

Nth Root

y√n
2√n 4534.9739800797
3√n 273.97853118237
4√n 67.342215437864
5√n 29.015490715665

Divisors of 20565989

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20565988
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20565989 can be divided by 8 positive divisors. The sum of these divisors (counting 20565989) is 1, the average is 0.125.

Base conversion 20565989

Base System Value
2 Binary 1001110011100111111100101
3 Ternary 1102200212020022
4 Quaternary 1032130333211
5 Quinary 20231102424
6 Senary 2012444525
8 Octal 116347745
10 Decimal 20565989
12 Duodecimal 6a79745
16 Hexadecimal 139cfe5
20 Vigesimal 68aej9
36 Base36 c8sth

Cryptographic Hash Functions

md5 d99e24304d001a2de3a90adc1ecb1191
sha1 7ffd4ed9f8753f0fbf6e44e28b1f5b984f81bf18
sha256 9f8b6c20c9d34e18b1a8ffc65cba48eff81fe7ea010678b57f30d6eeb3c2e8a8
sha512 b80819a5cbc1093cf359672ea194a2c60c767ceaaf42069576ec47d3f97b3717544925505506ffdbee8f4d1241d8c08fe540d78b4d85389e0ddf16465b0244a5
ripemd-160 389c03f6194eff29eb5bf446a82b517f9914e29c

20565989 as geometric shapes

Circle

Radius = n
Diameter 41131978
Circumference 129219919.91242
Area 1.3287677257498E+15

Sphere

Radius = n
Volume 3.6436563241768E+22
Surface area 5.3150709029993E+15
Circumference 129219919.91242

Square

Length = n
Perimeter 82263956
Area 422959903548121
Diagonal 29084700.567416

Cube

Length = n
Surface area 2537759421288726
Volume 8.6985887238117E+21
Space diagonal 35621337.855903

Equilateral Triangle

Length = n
Perimeter 61697967
Area 1.8314701062744E+14
Altitude 17810668.927951

Triangular Pyramid

Length = n
Surface area 1.8314701062744E+14
Volume 1.0251385122267E+21
Height 9694900.1891386