20404809 (number)

20404809 is an odd 8-digits composite number following 20404808 and preceding 20404810. In scientific notation, it is written as 2.0404809 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 13575672 positive integers (up to 20404809) that are relatively prime to 20404809.

Interesting facts

Basic properties

Name

Name twenty million four hundred four thousand eight hundred nine

Notation

Scientific notation 2.0404809 × 10^7
Engineering notation 2.0404809 × 10^6

Prime Factorization of 20404809

Prime Factorization 9 × 563 × 4027

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20404809
Product of the distinct prime numbers

The prime factorization of 20404809 is 9 × 563 × 4027. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20404809)

Multiplication

n×y
n×2 40809618
n×3 61214427
n×4 81619236
n×5 102024045

Division

n÷y
n÷2 10202404.5
n÷3 6801603
n÷3 5101202.25
n÷5 4080961.8

Exponentiation

ny
n2 416356230326481
n3 8.4956693557719E+21
n4 1.7335251053168E+29
n5 3.5372248670694E+36

Nth Root

y√n
2√n 4517.1682501319
3√n 273.26091064924
4√n 67.209882086877
5√n 28.969867360701

Divisors of 20404809

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 -20404808
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 20404809 can be divided by 8 positive divisors. The sum of these divisors (counting 20404809) is 1, the average is 0.125.

Base conversion 20404809

Base System Value
2 Binary 1001101110101101001001001
3 Ternary 1102101200010200
4 Quaternary 1031311221021
5 Quinary 20210423214
6 Senary 2005202413
8 Octal 115655111
10 Decimal 20404809
12 Duodecimal 6a00409
16 Hexadecimal 1375a49
20 Vigesimal 67ac09
36 Base36 c5cg9

Cryptographic Hash Functions

md5 d0505944173671100cdd7d3b6e53e56f
sha1 137a56f3bf441e2856ebdbd9ac44e1e58845984b
sha256 12b8db5746827b501e19706cb0fdbc96d22d5db4f9fa2fd274f4208404a7e9c7
sha512 ed8d94353b871e1098a77191112e060f5b8d920739831185c9fcd7574bfb649bfbb5f9d6b68d2d8169018fac9b8e837ddad55d6756a28662045ed9c237aecaad
ripemd-160 ffa151aa756fc2a0396b701e2b41024444112d9c

20404809 as geometric shapes

Circle

Radius = n
Diameter 40809618
Circumference 128207196.10461
Area 1.30802167447E+15

Sphere

Radius = n
Volume 3.5586576580561E+22
Surface area 5.23208669788E+15
Circumference 128207196.10461

Square

Length = n
Perimeter 81619236
Area 416356230326481
Diagonal 28856757.625433

Cube

Length = n
Surface area 2498137381958886
Volume 8.4956693557719E+21
Space diagonal 35342165.906739

Equilateral Triangle

Length = n
Perimeter 61214427
Area 1.8028753624333E+14
Altitude 17671082.953369

Triangular Pyramid

Length = n
Surface area 1.8028753624333E+14
Volume 1.0012242353642E+21
Height 9618919.2084775