18389939 (number)

18389939 is an odd 8-digits composite number following 18389938 and preceding 18389940. In scientific notation, it is written as 1.8389939 × 10^7. The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors. There are 17773056 positive integers (up to 18389939) that are relatively prime to 18389939.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8389939 × 10^7
Engineering notation 1.8389939 × 10^6

Prime Factorization of 18389939

Prime Factorization 43 × 97 × 4409

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18389939
Product of the distinct prime numbers

The prime factorization of 18389939 is 43 × 97 × 4409. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18389939)

Multiplication

n×y
n×2 36779878
n×3 55169817
n×4 73559756
n×5 91949695

Division

n÷y
n÷2 9194969.5
n÷3 6129979.6666667
n÷3 4597484.75
n÷5 3677987.8

Exponentiation

ny
n2 338189856423721
n3 6.219290830051E+21
n4 1.143723789879E+29
n5 2.1033010728723E+36

Nth Root

y√n
2√n 4288.3492161903
3√n 263.95309753706
4√n 65.485488592438
5√n 28.373705565131

Divisors of 18389939

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18389938
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18389939 can be divided by 8 positive divisors. The sum of these divisors (counting 18389939) is 1, the average is 0.125.

Base conversion 18389939

Base System Value
2 Binary 1000110001001101110110011
3 Ternary 1021121022020212
4 Quaternary 1012021232303
5 Quinary 14201434224
6 Senary 1454054335
8 Octal 106115663
10 Decimal 18389939
12 Duodecimal 61aa3ab
16 Hexadecimal 1189bb3
20 Vigesimal 5eiegj
36 Base36 ay5rn

Cryptographic Hash Functions

md5 ef4c00f2c81e6838223be78b92ccbc95
sha1 552820749ebe7863c0fa23c50b5af61c8e442974
sha256 b55f06e5cefe2a15a1e00fce0f96475889339e4d34e2855afb0da62c5441415f
sha512 ef11d493899a09deaeaefb7526a3dac44b9771d90890787ed453acddb08c8dfa1bd48c631b2bc56dc5bab5ec696d63d67684f7ed10f7d40f543fcd0d2b48c50c
ripemd-160 fb0911d4c3519ae949cdb2444cc2b065a27225d0

18389939 as geometric shapes

Circle

Radius = n
Diameter 36779878
Circumference 115547394.52473
Area 1.0624547684593E+15

Sphere

Radius = n
Volume 2.6051304509635E+22
Surface area 4.2498190738374E+15
Circumference 115547394.52473

Square

Length = n
Perimeter 73559756
Area 338189856423721
Diagonal 26007301.145014

Cube

Length = n
Surface area 2029139138542326
Volume 6.219290830051E+21
Space diagonal 31852308.696092

Equilateral Triangle

Length = n
Perimeter 55169817
Area 1.4644050348258E+14
Altitude 15926154.348046

Triangular Pyramid

Length = n
Surface area 1.4644050348258E+14
Volume 7.3295045335006E+20
Height 8669100.3816713