18221208 (number)

18221208 is an even 8-digits composite number following 18221207 and preceding 18221209. In scientific notation, it is written as 1.8221208 × 10^7. The sum of its digits is 24. It has a total of 6 prime factors and 32 positive divisors. There are 6012800 positive integers (up to 18221208) that are relatively prime to 18221208.

Interesting facts

Basic properties

Name

Name eighteen million two hundred twenty-one thousand two hundred eight

Notation

Scientific notation 1.8221208 × 10^7
Engineering notation 1.8221208 × 10^6

Prime Factorization of 18221208

Prime Factorization 2 × 2 × 2 × 3 × 101 × 7517

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 4555302
Product of the distinct prime numbers

The prime factorization of 18221208 is 2 × 2 × 2 × 3 × 101 × 7517. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18221208)

Multiplication

n×y
n×2 36442416
n×3 54663624
n×4 72884832
n×5 91106040

Division

n÷y
n÷2 9110604
n÷3 6073736
n÷3 4555302
n÷5 3644241.6

Exponentiation

ny
n2 332012420979264
n3 6.0496673812467E+21
n4 1.1023224768451E+29
n5 2.008564713367E+36

Nth Root

y√n
2√n 4268.630693794
3√n 263.14334352664
4√n 65.33475869546
5√n 28.321446646558

Divisors of 18221208

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18221207
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18221208 can be divided by 32 positive divisors. The sum of these divisors (counting 18221208) is 1, the average is 0.03125.

Base conversion 18221208

Base System Value
2 Binary 1000101100000100010011000
3 Ternary 1021021201210120
4 Quaternary 1011200202120
5 Quinary 14131034313
6 Senary 1450313240
8 Octal 105404230
10 Decimal 18221208
12 Duodecimal 6128820
16 Hexadecimal 1160898
20 Vigesimal 5dhd08
36 Base36 aujko

Cryptographic Hash Functions

md5 6d946f166bf44d0cc24151117b5c8725
sha1 1432841bbd0b65fc418741368987c4b32e049942
sha256 070edfff3272afc101003f9d9665d43a791a91f9bd86bb861dcda53fea3332ae
sha512 b891e3aee59998bd0b10678f858af1d38c53e58d109eb135b487bf05ef2c14e544deb47bee4cbff0d472fe7a7470f3251c987097343282293c0adddaa6886256
ripemd-160 f6ce5097b8eb66a75f5654395430e6eb0955d528

18221208 as geometric shapes

Circle

Radius = n
Diameter 36442416
Circumference 114487226.38466
Area 1.043047782649E+15

Sphere

Radius = n
Volume 2.5340787468782E+22
Surface area 4.1721911305961E+15
Circumference 114487226.38466

Square

Length = n
Perimeter 72884832
Area 332012420979264
Diagonal 25768679.476421

Cube

Length = n
Surface area 1992074525875584
Volume 6.0496673812467E+21
Space diagonal 31560058.03128

Equilateral Triangle

Length = n
Perimeter 54663624
Area 1.4376559547001E+14
Altitude 15780029.01564

Triangular Pyramid

Length = n
Surface area 1.4376559547001E+14
Volume 7.1296013820044E+20
Height 8589559.8254737