18389640 (number)

18389640 is an even 8-digits composite number following 18389639 and preceding 18389641. In scientific notation, it is written as 1.8389640 × 10^7. The sum of its digits is 39. It has a total of 5 prime factors and 16 positive divisors. There are 4903872 positive integers (up to 18389640) that are relatively prime to 18389640.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8389640 × 10^7
Engineering notation 1.8389640 × 10^6

Prime Factorization of 18389640

Prime Factorization 2 × 2 × 2 × 15 × 153247

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 4597410
Product of the distinct prime numbers

The prime factorization of 18389640 is 2 × 2 × 2 × 15 × 153247. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18389640)

Multiplication

n×y
n×2 36779280
n×3 55168920
n×4 73558560
n×5 91948200

Division

n÷y
n÷2 9194820
n÷3 6129880
n÷3 4597410
n÷5 3677928

Exponentiation

ny
n2 338178859329600
n3 6.218987478682E+21
n4 1.1436494089747E+29
n5 2.1031300917257E+36

Nth Root

y√n
2√n 4288.314354149
3√n 263.95166700116
4√n 65.485222410472
5√n 28.373613299538

Divisors of 18389640

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18389639
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18389640 can be divided by 16 positive divisors. The sum of these divisors (counting 18389640) is 1, the average is 0.0625.

Base conversion 18389640

Base System Value
2 Binary 1000110001001101010001000
3 Ternary 1021121021211210
4 Quaternary 1012021222020
5 Quinary 14201432030
6 Senary 1454053120
8 Octal 106115210
10 Decimal 18389640
12 Duodecimal 61aa1a0
16 Hexadecimal 1189a88
20 Vigesimal 5eie20
36 Base36 ay5jc

Cryptographic Hash Functions

md5 0e9672f15a20da44237a4e45e3f0a162
sha1 e18e1b9070b80c03edb7b72e49ed7e8761b99347
sha256 42be48d8c4c575807a0adb671bcc3c11d93667d2fcda8986fab76db3c78762ce
sha512 4c70319341664e8ce4422e529eac5b40fe7ca005b9f8ee46f431c50001b4fc571ed8e45e4fc4a5a0986f7989a952d42446094356cd38f9ae35a8608c58321447
ripemd-160 33fe9d40322dd8e6ad44b063bf0f6078b6cf0fe2

18389640 as geometric shapes

Circle

Radius = n
Diameter 36779280
Circumference 115545515.85232
Area 1.0624202200692E+15

Sphere

Radius = n
Volume 2.6050033834392E+22
Surface area 4.249680880277E+15
Circumference 115545515.85232

Square

Length = n
Perimeter 73558560
Area 338178859329600
Diagonal 26006878.295159

Cube

Length = n
Surface area 2029073155977600
Volume 6.218987478682E+21
Space diagonal 31851790.812901

Equilateral Triangle

Length = n
Perimeter 55168920
Area 1.4643574160114E+14
Altitude 15925895.40645

Triangular Pyramid

Length = n
Surface area 1.4643574160114E+14
Volume 7.3291470304838E+20
Height 8668959.4317196