18389928 (number)

18389928 is an even 8-digits composite number following 18389927 and preceding 18389929. In scientific notation, it is written as 1.8389928 × 10^7. The sum of its digits is 48. It has a total of 5 prime factors and 16 positive divisors. There are 6129968 positive integers (up to 18389928) that are relatively prime to 18389928.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8389928 × 10^7
Engineering notation 1.8389928 × 10^6

Prime Factorization of 18389928

Prime Factorization 2 × 2 × 2 × 3 × 766247

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 4597482
Product of the distinct prime numbers

The prime factorization of 18389928 is 2 × 2 × 2 × 3 × 766247. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18389928)

Multiplication

n×y
n×2 36779856
n×3 55169784
n×4 73559712
n×5 91949640

Division

n÷y
n÷2 9194964
n÷3 6129976
n÷3 4597482
n÷5 3677985.6

Exponentiation

ny
n2 338189451845184
n3 6.2192796697924E+21
n4 1.1437210533935E+29
n5 2.103294782399E+36

Nth Root

y√n
2√n 4288.3479336453
3√n 263.95304490892
4√n 65.485478799848
5√n 28.373702170766

Divisors of 18389928

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 -18389927
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 18389928 can be divided by 16 positive divisors. The sum of these divisors (counting 18389928) is 1, the average is 0.0625.

Base conversion 18389928

Base System Value
2 Binary 1000110001001101110101000
3 Ternary 1021121022020110
4 Quaternary 1012021232220
5 Quinary 14201434203
6 Senary 1454054320
8 Octal 106115650
10 Decimal 18389928
12 Duodecimal 61aa3a0
16 Hexadecimal 1189ba8
20 Vigesimal 5eieg8
36 Base36 ay5rc

Cryptographic Hash Functions

md5 97774f7a62c090d9a7eb310082d07f6e
sha1 f687eaedd481f96c8462435195fa35007bbc18c6
sha256 a408a4e4296c93b6592b3aef429de4cc034309dd21dd1d0f43a5d99cae0d0ac5
sha512 e6f95b1d5405482bee86d00b8673c50cf9b6ba5c6acf8fd63e75a152a2ba7979bd96bd5ed6a6fbf854199683c88465561b59ff4d4e396ca89a32ec4494cc51a4
ripemd-160 920d28d4c5b7c5fef1b4273edd2fa7463077d6ad

18389928 as geometric shapes

Circle

Radius = n
Diameter 36779856
Circumference 115547325.40969
Area 1.0624534974384E+15

Sphere

Radius = n
Volume 2.6051257761654E+22
Surface area 4.2498139897536E+15
Circumference 115547325.40969

Square

Length = n
Perimeter 73559712
Area 338189451845184
Diagonal 26007285.588665

Cube

Length = n
Surface area 2029136711071104
Volume 6.2192796697924E+21
Space diagonal 31852289.643534

Equilateral Triangle

Length = n
Perimeter 55169784
Area 1.4644032829493E+14
Altitude 15926144.821767

Triangular Pyramid

Length = n
Surface area 1.4644032829493E+14
Volume 7.3294913810097E+20
Height 8669095.1962216