20018908 (number)

20018908 is an even 8-digits composite number following 20018907 and preceding 20018909. In scientific notation, it is written as 2.0018908 × 10^7. The sum of its digits is 28. It has a total of 6 prime factors and 48 positive divisors. There are 7729344 positive integers (up to 20018908) that are relatively prime to 20018908.

Interesting facts

Basic properties

Name

Name twenty million eighteen thousand nine hundred eight

Notation

Scientific notation 2.0018908 × 10^7
Engineering notation 2.0018908 × 10^6

Prime Factorization of 20018908

Prime Factorization 2 × 2 × 7 × 13 × 43 × 1279

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 10009454
Product of the distinct prime numbers

The prime factorization of 20018908 is 2 × 2 × 7 × 13 × 43 × 1279. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20018908)

Multiplication

n×y
n×2 40037816
n×3 60056724
n×4 80075632
n×5 100094540

Division

n÷y
n÷2 10009454
n÷3 6672969.3333333
n÷3 5004727
n÷5 4003781.6

Exponentiation

ny
n2 400756677512464
n3 8.0227110575077E+21
n4 1.6060591457083E+29
n5 3.2151550280493E+36

Nth Root

y√n
2√n 4474.2494342627
3√n 271.52727506418
4√n 66.889830574331
5√n 28.859451770145

Divisors of 20018908

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20018907
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20018908 can be divided by 48 positive divisors. The sum of these divisors (counting 20018908) is 1, the average is 0.020833333333333.

Base conversion 20018908

Base System Value
2 Binary 1001100010111011011011100
3 Ternary 1101200001210001
4 Quaternary 1030113123130
5 Quinary 20111101113
6 Senary 1553024044
8 Octal 114273334
10 Decimal 20018908
12 Duodecimal 6855024
16 Hexadecimal 13176dc
20 Vigesimal 652758
36 Base36 bx2os

Cryptographic Hash Functions

md5 ec782118fe081f975f1ef4536dbcfc7e
sha1 67cff43415446ddccafe0d1eb9a964d7fb5315a4
sha256 01b8329a97cffbe0eccdbd99381bc52974ed4ccf348a9984f794d8a5867b8b98
sha512 16f033b682ec094edd7ae7ddd2d93434d5d8f9334cc07f0e7e70dbf0a9e74770c01b8291812cce51f4085ec87284b8425846c843f779207fcb4f27e544fd732e
ripemd-160 18797d1402f3b10af7babe9eb131dcf1ec7cf8bb

20018908 as geometric shapes

Circle

Radius = n
Diameter 40037816
Circumference 125782508.61138
Area 1.2590142339502E+15

Sphere

Radius = n
Volume 3.360545349352E+22
Surface area 5.0360569358008E+15
Circumference 125782508.61138

Square

Length = n
Perimeter 80075632
Area 400756677512464
Diagonal 28311011.197499

Cube

Length = n
Surface area 2404540065074784
Volume 8.0227110575077E+21
Space diagonal 34673765.768047

Equilateral Triangle

Length = n
Perimeter 60056724
Area 1.7353273173102E+14
Altitude 17336882.884024

Triangular Pyramid

Length = n
Surface area 1.7353273173102E+14
Volume 9.4548556537733E+20
Height 9437003.7324998