20409561 (number)

20409561 is an odd 8-digits composite number following 20409560 and preceding 20409562. In scientific notation, it is written as 2.0409561 × 10^7. The sum of its digits is 27. It has a total of 2 prime factors and 4 positive divisors. There are 13606368 positive integers (up to 20409561) that are relatively prime to 20409561.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0409561 × 10^7
Engineering notation 2.0409561 × 10^6

Prime Factorization of 20409561

Prime Factorization 9 × 2267729

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20409561
Product of the distinct prime numbers

The prime factorization of 20409561 is 9 × 2267729. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20409561)

Multiplication

n×y
n×2 40819122
n×3 61228683
n×4 81638244
n×5 102047805

Division

n÷y
n÷2 10204780.5
n÷3 6803187
n÷3 5102390.25
n÷5 4081912.2

Exponentiation

ny
n2 416550180212721
n3 8.5016063126125E+21
n4 1.7351405263525E+29
n5 3.5413456416164E+36

Nth Root

y√n
2√n 4517.6942127594
3√n 273.2821219081
4√n 67.21379480999
5√n 28.971216571933

Divisors of 20409561

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 -20409560
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 20409561 can be divided by 4 positive divisors. The sum of these divisors (counting 20409561) is 1, the average is 0.25.

Base conversion 20409561

Base System Value
2 Binary 1001101110110110011011001
3 Ternary 1102101220122200
4 Quaternary 1031312303121
5 Quinary 20211101221
6 Senary 2005240413
8 Octal 115666331
10 Decimal 20409561
12 Duodecimal 6a03109
16 Hexadecimal 1376cd9
20 Vigesimal 67b3i1
36 Base36 c5g49

Cryptographic Hash Functions

md5 20c8bda60fc089496641b3a613fc8988
sha1 1795963162b2847e1993bc90a3533771cbc2f80a
sha256 a0ab6c0bd62344b74b041bb6e36dde256c7b84a3720d01bd0b91273e6fb9fb4f
sha512 a204ffb5c5c965185155fd127ad7bf4df123fdfa2ec5ee1cfe69b431c029433f999913821903d2088218f84673bd59aab2118689eef2fa438a5f0b120476db7f
ripemd-160 785f00ed46d40bb56e6c28d9cae06b9531b588e4

20409561 as geometric shapes

Circle

Radius = n
Diameter 40819122
Circumference 128237053.80119
Area 1.3086309860078E+15

Sphere

Radius = n
Volume 3.5611445247221E+22
Surface area 5.2345239440312E+15
Circumference 128237053.80119

Square

Length = n
Perimeter 81638244
Area 416550180212721
Diagonal 28863477.968281

Cube

Length = n
Surface area 2499301081276326
Volume 8.5016063126125E+21
Space diagonal 35350396.612176

Equilateral Triangle

Length = n
Perimeter 61228683
Area 1.803715190076E+14
Altitude 17675198.306088

Triangular Pyramid

Length = n
Surface area 1.803715190076E+14
Volume 1.0019239124378E+21
Height 9621159.3227603