20561565 (number)

20561565 is an odd 8-digits composite number following 20561564 and preceding 20561566. In scientific notation, it is written as 2.0561565 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 10946496 positive integers (up to 20561565) that are relatively prime to 20561565.

Interesting facts

Basic properties

Name

Name twenty million five hundred sixty-one thousand five hundred sixty-five

Notation

Scientific notation 2.0561565 × 10^7
Engineering notation 2.0561565 × 10^6

Prime Factorization of 20561565

Prime Factorization 3 × 5 × 853 × 1607

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20561565
Product of the distinct prime numbers

The prime factorization of 20561565 is 3 × 5 × 853 × 1607. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20561565)

Multiplication

n×y
n×2 41123130
n×3 61684695
n×4 82246260
n×5 102807825

Division

n÷y
n÷2 10280782.5
n÷3 6853855
n÷3 5140391.25
n÷5 4112313

Exponentiation

ny
n2 422777955249225
n3 8.692976407424E+21
n4 1.7874119944472E+29
n5 3.6751987905605E+36

Nth Root

y√n
2√n 4534.486189195
3√n 273.95888437709
4√n 67.33859360868
5√n 29.01424228966

Divisors of 20561565

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 -20561564
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 20561565 can be divided by 16 positive divisors. The sum of these divisors (counting 20561565) is 1, the average is 0.0625.

Base conversion 20561565

Base System Value
2 Binary 1001110011011111010011101
3 Ternary 1102200122011110
4 Quaternary 1032123322131
5 Quinary 20230432230
6 Senary 2012412233
8 Octal 116337235
10 Decimal 20561565
12 Duodecimal 6a77079
16 Hexadecimal 139be9d
20 Vigesimal 68a3i5
36 Base36 c8pel

Cryptographic Hash Functions

md5 5e9358ede96e19aed13df70535f374db
sha1 40584498d6ff1e9059ea89a17632341ea4f7ff32
sha256 72fead6faac3e845bb3f38f76a065dae935b92aec3da3f8b50dc482a2159a22b
sha512 36470e1e85a9d3c38640f79e70a6e356e51ccfacc21257604fb6bdf630c1e97f78ed18ef1c8e541a82b019af69808826bfbdb24d478cfbf0d652b2506b600573
ripemd-160 182efffd3430367f45cb17cbf65684b32693705c

20561565 as geometric shapes

Circle

Radius = n
Diameter 41123130
Circumference 129192123.10062
Area 1.3281961183107E+15

Sphere

Radius = n
Volume 3.6413054425857E+22
Surface area 5.3127844732427E+15
Circumference 129192123.10062

Square

Length = n
Perimeter 82246260
Area 422777955249225
Diagonal 29078444.086616

Cube

Length = n
Surface area 2536667731495350
Volume 8.692976407424E+21
Space diagonal 35613675.26313

Equilateral Triangle

Length = n
Perimeter 61684695
Area 1.8306822470293E+14
Altitude 17806837.631565

Triangular Pyramid

Length = n
Surface area 1.8306822470293E+14
Volume 1.0244770943974E+21
Height 9692814.6955387