20180208 (number)

20180208 is an even 8-digits composite number following 20180207 and preceding 20180209. In scientific notation, it is written as 2.0180208 × 10^7. The sum of its digits is 21. It has a total of 6 prime factors and 20 positive divisors. There are 6726720 positive integers (up to 20180208) that are relatively prime to 20180208.

Interesting facts

Basic properties

Name

Name twenty million one hundred eighty thousand two hundred eight

Notation

Scientific notation 2.0180208 × 10^7
Engineering notation 2.0180208 × 10^6

Prime Factorization of 20180208

Prime Factorization 2 × 2 × 2 × 2 × 3 × 420421

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2522526
Product of the distinct prime numbers

The prime factorization of 20180208 is 2 × 2 × 2 × 2 × 3 × 420421. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20180208)

Multiplication

n×y
n×2 40360416
n×3 60540624
n×4 80720832
n×5 100901040

Division

n÷y
n÷2 10090104
n÷3 6726736
n÷3 5045052
n÷5 4036041.6

Exponentiation

ny
n2 407240794923264
n3 8.2182039476368E+21
n4 1.6584506504973E+29
n5 3.3467879084771E+36

Nth Root

y√n
2√n 4492.2386401437
3√n 272.2545915016
4√n 67.024164598626
5√n 28.905808931615

Divisors of 20180208

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20180207
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20180208 can be divided by 20 positive divisors. The sum of these divisors (counting 20180208) is 1, the average is 0.05.

Base conversion 20180208

Base System Value
2 Binary 1001100111110110011110000
3 Ternary 1101222021001010
4 Quaternary 1030332303300
5 Quinary 20131231313
6 Senary 2000310520
8 Octal 114766360
10 Decimal 20180208
12 Duodecimal 6912440
16 Hexadecimal 133ecf0
20 Vigesimal 662aa8
36 Base36 c0j5c

Cryptographic Hash Functions

md5 a53abfd9dc01e175d7fd0d0f71f4de1b
sha1 f34408a7c26e3c2313998023b4d3f4c3cec6402e
sha256 3e66c438a72ac2007bab5ae09894b1659b79f8e966162494fb05f89ef5391944
sha512 40d82baba14cb47b679cdd3f9fd8b651d820ae705a546b3abaa9dd580e08a5b9526fec3b5190bf04a49ea9d8a658b361aa5f6820d6d607c9c097ae4e8bf6fc96
ripemd-160 5b5843c3ac034136ddf54b64826527cde4784dc9

20180208 as geometric shapes

Circle

Radius = n
Diameter 40360416
Circumference 126795986.40143
Area 1.279384689573E+15

Sphere

Radius = n
Volume 3.4424332196798E+22
Surface area 5.117538758292E+15
Circumference 126795986.40143

Square

Length = n
Perimeter 80720832
Area 407240794923264
Diagonal 28539123.84511

Cube

Length = n
Surface area 2443444769539584
Volume 8.2182039476368E+21
Space diagonal 34953145.563308

Equilateral Triangle

Length = n
Perimeter 60540624
Area 1.7634043693046E+14
Altitude 17476572.781654

Triangular Pyramid

Length = n
Surface area 1.7634043693046E+14
Volume 9.6852462342467E+20
Height 9513041.2817033