18394489 (number)

18394489 is an odd 8-digits composite number following 18394488 and preceding 18394490. In scientific notation, it is written as 1.8394489 × 10^7. The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors. There are 16787520 positive integers (up to 18394489) that are relatively prime to 18394489.

Interesting facts

Basic properties

Name

Name eighteen million three hundred ninety-four thousand four hundred eighty-nine

Notation

Scientific notation 1.8394489 × 10^7
Engineering notation 1.8394489 × 10^6

Prime Factorization of 18394489

Prime Factorization 59 × 19 × 61 × 269

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18394489
Product of the distinct prime numbers

The prime factorization of 18394489 is 59 × 19 × 61 × 269. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18394489)

Multiplication

n×y
n×2 36788978
n×3 55183467
n×4 73577956
n×5 91972445

Division

n÷y
n÷2 9197244.5
n÷3 6131496.3333333
n÷3 4598622.25
n÷5 3678897.8

Exponentiation

ny
n2 338357225571121
n3 6.2239082638385E+21
n4 1.1448561209619E+29
n5 2.1059043323616E+36

Nth Root

y√n
2√n 4288.8796905486
3√n 263.97486464858
4√n 65.489538787111
5√n 28.3751094587

Divisors of 18394489

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 -18394488
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 18394489 can be divided by 16 positive divisors. The sum of these divisors (counting 18394489) is 1, the average is 0.0625.

Base conversion 18394489

Base System Value
2 Binary 1000110001010110101111001
3 Ternary 1021121112111101
4 Quaternary 1012022311321
5 Quinary 14202110424
6 Senary 1454131401
8 Octal 106126571
10 Decimal 18394489
12 Duodecimal 61b0b61
16 Hexadecimal 118ad79
20 Vigesimal 5ej649
36 Base36 ay9a1

Cryptographic Hash Functions

md5 59635bda27d58a535d2ccb0de970d3a6
sha1 544952e94afd3cae76d20fd76a55c25da67ba27b
sha256 78ad279748760b1fc0585c0521c892337081058a3625a5dc58e64efb5ad3fbe7
sha512 6c94b9865a51ace8d1f2d6116d1aaefaadc806062493024d0973965aee00056534c749fd294a78b1586436a9ed1894b2ff5758e29fe3150a69d5f4f79ebde561
ripemd-160 7a8bd5b648f7deac3fe01bcffbaef4653d3131df

18394489 as geometric shapes

Circle

Radius = n
Diameter 36788978
Circumference 115575983.01788
Area 1.0629805741433E+15

Sphere

Radius = n
Volume 2.6070645971056E+22
Surface area 4.251922296573E+15
Circumference 115575983.01788

Square

Length = n
Perimeter 73577956
Area 338357225571121
Diagonal 26013735.816723

Cube

Length = n
Surface area 2030143353426726
Volume 6.2239082638385E+21
Space diagonal 31860189.527267

Equilateral Triangle

Length = n
Perimeter 55183467
Area 1.4651297644931E+14
Altitude 15930094.763633

Triangular Pyramid

Length = n
Surface area 1.4651297644931E+14
Volume 7.3349462314053E+20
Height 8671245.2722409