20408818 (number)

20408818 is an even 8-digits composite number following 20408817 and preceding 20408819. In scientific notation, it is written as 2.0408818 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 10204408 positive integers (up to 20408818) that are relatively prime to 20408818.

Interesting facts

Basic properties

Name

Name twenty million four hundred eight thousand eight hundred eighteen

Notation

Scientific notation 2.0408818 × 10^7
Engineering notation 2.0408818 × 10^6

Prime Factorization of 20408818

Prime Factorization 2 × 10204409

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20408818
Product of the distinct prime numbers

The prime factorization of 20408818 is 2 × 10204409. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20408818)

Multiplication

n×y
n×2 40817636
n×3 61226454
n×4 81635272
n×5 102044090

Division

n÷y
n÷2 10204409
n÷3 6802939.3333333
n÷3 5102204.5
n÷5 4081763.6

Exponentiation

ny
n2 416519852157124
n3 8.5006778560617E+21
n4 1.7348878724099E+29
n5 3.5407010838421E+36

Nth Root

y√n
2√n 4517.6119797964
3√n 273.27880563424
4√n 67.213183080378
5√n 28.971005632292

Divisors of 20408818

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 -20408817
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 20408818 can be divided by 4 positive divisors. The sum of these divisors (counting 20408818) is 1, the average is 0.25.

Base conversion 20408818

Base System Value
2 Binary 1001101110110100111110010
3 Ternary 1102101212122011
4 Quaternary 1031312213302
5 Quinary 20211040233
6 Senary 2005233134
8 Octal 115664762
10 Decimal 20408818
12 Duodecimal 6a027aa
16 Hexadecimal 13769f2
20 Vigesimal 67b20i
36 Base36 c5fjm

Cryptographic Hash Functions

md5 8e985b292eaa81a19c29f78dd109c2df
sha1 6eb94f1f5d4035a9bec2bbf66d8f0d667d50c8f3
sha256 f7530ae4ec5b05d137891df0b6589f17cd957cb15a9aa019b0cc78f2259512bc
sha512 a8e3a0e878e387b30b5da54d1eb9503d058c9e36bb045eb10c7114c463aa26dda091765cd6e20b0577b73884223513da241181b3c200f722fc49d1f8467922a1
ripemd-160 879832bd964b882f44b9b326ca4f012d45f7ef76

20408818 as geometric shapes

Circle

Radius = n
Diameter 40817636
Circumference 128232385.3945
Area 1.3085357076111E+15

Sphere

Radius = n
Volume 3.5607556137516E+22
Surface area 5.2341428304445E+15
Circumference 128232385.3945

Square

Length = n
Perimeter 81635272
Area 416519852157124
Diagonal 28862427.207604

Cube

Length = n
Surface area 2499119112942744
Volume 8.5006778560617E+21
Space diagonal 35349109.698426

Equilateral Triangle

Length = n
Perimeter 61226454
Area 1.803583865743E+14
Altitude 17674554.849213

Triangular Pyramid

Length = n
Surface area 1.803583865743E+14
Volume 1.0018144927839E+21
Height 9620809.0692014