18389639 (number)

18389639 is an odd 8-digits composite number following 18389638 and preceding 18389640. In scientific notation, it is written as 1.8389639 × 10^7. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 18130560 positive integers (up to 18389639) that are relatively prime to 18389639.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8389639 × 10^7
Engineering notation 1.8389639 × 10^6

Prime Factorization of 18389639

Prime Factorization 71 × 259009

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18389639
Product of the distinct prime numbers

The prime factorization of 18389639 is 71 × 259009. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18389639)

Multiplication

n×y
n×2 36779278
n×3 55168917
n×4 73558556
n×5 91948195

Division

n÷y
n÷2 9194819.5
n÷3 6129879.6666667
n÷3 4597409.75
n÷5 3677927.8

Exponentiation

ny
n2 338178822550321
n3 6.2189864641455E+21
n4 1.1436491602152E+29
n5 2.1031295199011E+36

Nth Root

y√n
2√n 4288.314237553
3√n 263.95166221673
4√n 65.485221520226
5√n 28.373612990955

Divisors of 18389639

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18389638
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18389639 can be divided by 4 positive divisors. The sum of these divisors (counting 18389639) is 1, the average is 0.25.

Base conversion 18389639

Base System Value
2 Binary 1000110001001101010000111
3 Ternary 1021121021211202
4 Quaternary 1012021222013
5 Quinary 14201432024
6 Senary 1454053115
8 Octal 106115207
10 Decimal 18389639
12 Duodecimal 61aa19b
16 Hexadecimal 1189a87
20 Vigesimal 5eie1j
36 Base36 ay5jb

Cryptographic Hash Functions

md5 98405536bb55beb8bfddbd6dc39b057e
sha1 fddd717b9fb6b079f89d5005f868b6dad1cf79b9
sha256 53b189680e817ec77003fce2bc4f46ba6a13d4edaba0e172dcb2856fd9d79dd9
sha512 4bf6ac42548363bcd8135896abc86adb5f798b87f6ee0a968fe5a8d671ad48ccf9099930453cce3184b1595b21fb61469612c78331f7be8004d66fc7e9d3018e
ripemd-160 590916f4b3f924a387a25cfd1ef053adf4bf8b5b

18389639 as geometric shapes

Circle

Radius = n
Diameter 36779278
Circumference 115545509.56914
Area 1.0624201045237E+15

Sphere

Radius = n
Volume 2.6050029584712E+22
Surface area 4.2496804180949E+15
Circumference 115545509.56914

Square

Length = n
Perimeter 73558556
Area 338178822550321
Diagonal 26006876.880945

Cube

Length = n
Surface area 2029072935301926
Volume 6.2189864641455E+21
Space diagonal 31851789.08085

Equilateral Triangle

Length = n
Perimeter 55168917
Area 1.4643572567524E+14
Altitude 15925894.540425

Triangular Pyramid

Length = n
Surface area 1.4643572567524E+14
Volume 7.329145834841E+20
Height 8668958.9603151