18493894 (number)

18493894 is an even 8-digits composite number following 18493893 and preceding 18493895. In scientific notation, it is written as 1.8493894 × 10^7. The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors. There are 9135456 positive integers (up to 18493894) that are relatively prime to 18493894.

Interesting facts

Basic properties

Name

Name eighteen million four hundred ninety-three thousand eight hundred ninety-four

Notation

Scientific notation 1.8493894 × 10^7
Engineering notation 1.8493894 × 10^6

Prime Factorization of 18493894

Prime Factorization 2 × 83 × 111409

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18493894
Product of the distinct prime numbers

The prime factorization of 18493894 is 2 × 83 × 111409. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18493894)

Multiplication

n×y
n×2 36987788
n×3 55481682
n×4 73975576
n×5 92469470

Division

n÷y
n÷2 9246947
n÷3 6164631.3333333
n÷3 4623473.5
n÷5 3698778.8

Exponentiation

ny
n2 342024115283236
n3 6.3253577334919E+21
n4 1.1698049543528E+29
n5 2.1634248826476E+36

Nth Root

y√n
2√n 4300.4527668607
3√n 264.4495230189
4√n 65.577837467095
5√n 28.405711562509

Divisors of 18493894

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18493893
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18493894 can be divided by 8 positive divisors. The sum of these divisors (counting 18493894) is 1, the average is 0.125.

Base conversion 18493894

Base System Value
2 Binary 1000110100011000111000110
3 Ternary 1021210120212001
4 Quaternary 1012203013012
5 Quinary 14213301034
6 Senary 1500215514
8 Octal 106430706
10 Decimal 18493894
12 Duodecimal 623a59a
16 Hexadecimal 11a31c6
20 Vigesimal 5fbeee
36 Base36 b0dza

Cryptographic Hash Functions

md5 2133db449eafac9ad792800aa9b65953
sha1 cf99d8c031a38381600f17c02a117324d6bb357f
sha256 1924bbcf688a9f21900568f015f5de06618f3271aeb9ae8f90afdb9c025ca004
sha512 741c1ff4f6272fd91d2233c7cc61f19346953572838f74f742acd5781c33604832f77d7fe91a141e0019849ac73173e62c5dac36e92ddc7964b8a2fc007a02d1
ripemd-160 52b03f80ddf32b14ce14be20064ae6974b81705a

18493894 as geometric shapes

Circle

Radius = n
Diameter 36987788
Circumference 116200563.05334
Area 1.0745004479244E+15

Sphere

Radius = n
Volume 2.6495596515821E+22
Surface area 4.2980017916975E+15
Circumference 116200563.05334

Square

Length = n
Perimeter 73975576
Area 342024115283236
Diagonal 26154315.71589

Cube

Length = n
Surface area 2052144691699416
Volume 6.3253577334919E+21
Space diagonal 32032364.037793

Equilateral Triangle

Length = n
Perimeter 55481682
Area 1.4810078627109E+14
Altitude 16016182.018897

Triangular Pyramid

Length = n
Surface area 1.4810078627109E+14
Volume 7.4545055779715E+20
Height 8718105.2386301