20565390 (number)

20565390 is an even 8-digits composite number following 20565389 and preceding 20565391. In scientific notation, it is written as 2.0565390 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 5484096 positive integers (up to 20565390) that are relatively prime to 20565390.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0565390 × 10^7
Engineering notation 2.0565390 × 10^6

Prime Factorization of 20565390

Prime Factorization 2 × 5 × 3 × 685513

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20565390
Product of the distinct prime numbers

The prime factorization of 20565390 is 2 × 5 × 3 × 685513. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20565390)

Multiplication

n×y
n×2 41130780
n×3 61696170
n×4 82261560
n×5 102826950

Division

n÷y
n÷2 10282695
n÷3 6855130
n÷3 5141347.5
n÷5 4113078

Exponentiation

ny
n2 422935265852100
n3 8.6978286870021E+21
n4 1.7887423910139E+29
n5 3.6786184880733E+36

Nth Root

y√n
2√n 4534.9079373235
3√n 273.97587121249
4√n 67.341725084256
5√n 29.015321694069

Divisors of 20565390

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20565389
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20565390 can be divided by 16 positive divisors. The sum of these divisors (counting 20565390) is 1, the average is 0.0625.

Base conversion 20565390

Base System Value
2 Binary 1001110011100110110001110
3 Ternary 1102200211102010
4 Quaternary 1032130312032
5 Quinary 20231043030
6 Senary 2012442050
8 Octal 116346616
10 Decimal 20565390
12 Duodecimal 6a79326
16 Hexadecimal 139cd8e
20 Vigesimal 68ad9a
36 Base36 c8scu

Cryptographic Hash Functions

md5 03fd0c129a6ff5ef3fe7367a9d759ac9
sha1 bab4e2e958d45909fc236191b2cda53427ede170
sha256 82bab849f53fcd324320561b8a765ef140babd82591213f7dbf6a194ae65fdf3
sha512 44dfc7d97e42ef5a99fdaee2396794399b625d08d5e4c5176b25315542bcbb6448aa8135ec7a4d05e9547a1ea912f787cc5a3b1d31ad895e7e86411266227781
ripemd-160 7d484368a2514ed5a3cdc966b72d83b13fd6f203

20565390 as geometric shapes

Circle

Radius = n
Diameter 41130780
Circumference 129216156.28442
Area 1.328690324145E+15

Sphere

Radius = n
Volume 3.6433379607025E+22
Surface area 5.31476129658E+15
Circumference 129216156.28442

Square

Length = n
Perimeter 82261560
Area 422935265852100
Diagonal 29083853.453492

Cube

Length = n
Surface area 2537611595112600
Volume 8.6978286870021E+21
Space diagonal 35620300.357469

Equilateral Triangle

Length = n
Perimeter 61696170
Area 1.8313634219212E+14
Altitude 17810150.178734

Triangular Pyramid

Length = n
Surface area 1.8313634219212E+14
Volume 1.0250489410297E+21
Height 9694617.8178307