20561409 (number)

20561409 is an odd 8-digits composite number following 20561408 and preceding 20561410. In scientific notation, it is written as 2.0561409 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors. There are 12252240 positive integers (up to 20561409) that are relatively prime to 20561409.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0561409 × 10^7
Engineering notation 2.0561409 × 10^6

Prime Factorization of 20561409

Prime Factorization 3 × 3 × 121 × 79 × 239

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 6853803
Product of the distinct prime numbers

The prime factorization of 20561409 is 3 × 3 × 121 × 79 × 239. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20561409)

Multiplication

n×y
n×2 41122818
n×3 61684227
n×4 82245636
n×5 102807045

Division

n÷y
n÷2 10280704.5
n÷3 6853803
n÷3 5140352.25
n÷5 4112281.8

Exponentiation

ny
n2 422771540065281
n3 8.6927785488421E+21
n4 1.7873577508917E+29
n5 3.6750593745404E+36

Nth Root

y√n
2√n 4534.4689876545
3√n 273.95819153596
4√n 67.338465884325
5√n 29.014198263482

Divisors of 20561409

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20561408
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20561409 can be divided by 24 positive divisors. The sum of these divisors (counting 20561409) is 1, the average is 0.041666666666667.

Base conversion 20561409

Base System Value
2 Binary 1001110011011111000000001
3 Ternary 1102200121221200
4 Quaternary 1032123320001
5 Quinary 20230431114
6 Senary 2012411413
8 Octal 116337001
10 Decimal 20561409
12 Duodecimal 6a76b69
16 Hexadecimal 139be01
20 Vigesimal 68a3a9
36 Base36 c8pa9

Cryptographic Hash Functions

md5 2f1c9cf6e800f66fa51f0005f59cd0fb
sha1 53fd9a2c684d1c0df27b93fd4619db977124147c
sha256 cdf9f1e459cbdae1625c84b39df25802e323c2dfc460eb86568334d7233a6ea5
sha512 758c581a71832e9bbe16a71a539cc2e43f4b704a0b93785c04f91bbf9ea2242becb34235a9296c5aeb9cca63655aa8ab428f9df5eeb20168d57c82db33de450b
ripemd-160 0dfc043cdfff6c5cf32a2b9ccef1095341773b15

20561409 as geometric shapes

Circle

Radius = n
Diameter 41122818
Circumference 129191142.92371
Area 1.3281759644159E+15

Sphere

Radius = n
Volume 3.6412225637767E+22
Surface area 5.3127038576637E+15
Circumference 129191142.92371

Square

Length = n
Perimeter 82245636
Area 422771540065281
Diagonal 29078223.4693

Cube

Length = n
Surface area 2536629240391686
Volume 8.6927785488421E+21
Space diagonal 35613405.063204

Equilateral Triangle

Length = n
Perimeter 61684227
Area 1.830654468468E+14
Altitude 17806702.531602

Triangular Pyramid

Length = n
Surface area 1.830654468468E+14
Volume 1.0244537765399E+21
Height 9692741.1564334