18894 (number)

18894 is an even 5-digits composite number following 18893 and preceding 18895. In scientific notation, it is written as 1.8894 × 10^4. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 6072 positive integers (up to 18894) that are relatively prime to 18894.

Interesting facts

Basic properties

Name

Name eighteen thousand eight hundred ninety-four

Notation

Scientific notation 1.8894 × 10^4
Engineering notation 1.8894 × 10^3

Prime Factorization of 18894

Prime Factorization 2 × 3 × 47 × 67

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18894
Product of the distinct prime numbers

The prime factorization of 18894 is 2 × 3 × 47 × 67. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18894)

Multiplication

n×y
n×2 37788
n×3 56682
n×4 75576
n×5 94470

Division

n÷y
n÷2 9447
n÷3 6298
n÷3 4723.5
n÷5 3778.8

Exponentiation

ny
n2 356983236
n3 6744841260984
n4 127437030785031696
n5 2.4077952596524E+21

Nth Root

y√n
2√n 137.45544732749
3√n 26.634301011083
4√n 11.724139513307
5√n 7.1658016420111

Divisors of 18894

1, 2, 3, 6, 47, 67, 94, 134, 141, 201, 282, 402, 3149, 6298, 9447, 18894

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 -18893
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 18894 can be divided by 16 positive divisors. The sum of these divisors (counting 18894) is 1, the average is 0.0625.

Base conversion 18894

Base System Value
2 Binary 100100111001110
3 Ternary 221220210
4 Quaternary 10213032
5 Quinary 1101034
6 Senary 223250
8 Octal 44716
10 Decimal 18894
12 Duodecimal ab26
16 Hexadecimal 49ce
20 Vigesimal 274e
36 Base36 eku

Cryptographic Hash Functions

md5 39df222bffe39629d904e4883eabc654
sha1 229b75289f54afa42148201533a5d327c951cf2e
sha256 2bba1605a1f929f49f96cfad7206a7b8c2dc0c88fb629a4eddaa49cd1e49b0ad
sha512 3ecc77684a7a497af11247547baf6acfe633515eba8fdb5827b934feea437d9150c7ccbdb410ac70c784641ebd9a4ff9a24a17f790f974f624bb14aa721b9f18
ripemd-160 3edf1088d496828ad23355cb2f31834f73336f65

18894 as geometric shapes

Circle

Radius = n
Diameter 37788
Circumference 118714.50319385
Area 1121495911.6723

Sphere

Radius = n
Volume 28252725006849
Surface area 4485983646.6892
Circumference 118714.50319385

Square

Length = n
Perimeter 75576
Area 356983236
Diagonal 26720.151047477

Cube

Length = n
Surface area 2141899416
Volume 6744841260984
Space diagonal 32725.367958206

Equilateral Triangle

Length = n
Perimeter 56682
Area 154578275.55059
Altitude 16362.683979103

Triangular Pyramid

Length = n
Surface area 154578275.55059
Volume 794887165611.44
Height 8906.7170158258