18389908 (number)

18389908 is an even 8-digits composite number following 18389907 and preceding 18389909. In scientific notation, it is written as 1.8389908 × 10^7. The sum of its digits is 46. It has a total of 4 prime factors and 12 positive divisors. There are 9172760 positive integers (up to 18389908) that are relatively prime to 18389908.

Interesting facts

Basic properties

Name

Name eighteen million three hundred eighty-nine thousand nine hundred eight

Notation

Scientific notation 1.8389908 × 10^7
Engineering notation 1.8389908 × 10^6

Prime Factorization of 18389908

Prime Factorization 2 × 2 × 431 × 10667

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9194954
Product of the distinct prime numbers

The prime factorization of 18389908 is 2 × 2 × 431 × 10667. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 5, 75, 53, 633, 259, 276, 840, 1867, 55047, 170252, 311904, 2226113, 6885641, 54175414, 41849433, 150908487, 355809590, 7137105172, 4473789719

Basic calculations (n = 18389908)

Multiplication

n×y
n×2 36779816
n×3 55169724
n×4 73559632
n×5 91949540

Division

n÷y
n÷2 9194954
n÷3 6129969.3333333
n÷3 4597477
n÷5 3677981.6

Exponentiation

ny
n2 338188716248464
n3 6.2192593784474E+21
n4 1.1437160779778E+29
n5 2.1032833452133E+36

Nth Root

y√n
2√n 4288.3456017443
3√n 263.95294922135
4√n 65.485460995127
5√n 28.373695999189

Divisors of 18389908

1, 2, 4, 431, 862, 1724, 10667, 21334, 42668, 4597477, 9194954, 18389908

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18389907
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18389908 can be divided by 12 positive divisors. The sum of these divisors (counting 18389908) is 1, the average is 0.083333333333333.

Base conversion 18389908

Base System Value
2 Binary 1000110001001101110010100
3 Ternary 1021121022012201
4 Quaternary 1012021232110
5 Quinary 14201434113
6 Senary 1454054244
8 Octal 106115624
10 Decimal 18389908
12 Duodecimal 61aa384
16 Hexadecimal 1189b94
20 Vigesimal 5eief8
36 Base36 ay5qs

Cryptographic Hash Functions

md5 c3fcd1a794a52b8b03906c99f34bf31b
sha1 21d7f082a23b49972204571a9fcccd9ceeb47430
sha256 43a0388499304da159916fca032c1807fdbbe66506e8a045ce58dcddf6baa177
sha512 52ada2037e38297bc6e7dbc878f05fa49d2706667a6f262a7cc4be7c369acaf9f2a7489e63f00291e8087d6dd29614013f0695c0e9632fa41f752253acd8dc48
ripemd-160 eea7aea9881739ffad9b6f65dbadfe4c67569d78

18389908 as geometric shapes

Circle

Radius = n
Diameter 36779816
Circumference 115547199.74598
Area 1.0624511864931E+15

Sphere

Radius = n
Volume 2.6051172765466E+22
Surface area 4.2498047459726E+15
Circumference 115547199.74598

Square

Length = n
Perimeter 73559632
Area 338188716248464
Diagonal 26007257.304393

Cube

Length = n
Surface area 2029132297490784
Volume 6.2192593784474E+21
Space diagonal 31852255.002517

Equilateral Triangle

Length = n
Perimeter 55169724
Area 1.4644000977221E+14
Altitude 15926127.501259

Triangular Pyramid

Length = n
Surface area 1.4644000977221E+14
Volume 7.3294674674303E+20
Height 8669085.7681312