18493897 (number)

18493897 is an odd 8-digits composite number following 18493896 and preceding 18493898. In scientific notation, it is written as 1.8493897 × 10^7. The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors. There are 17449200 positive integers (up to 18493897) that are relatively prime to 18493897.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8493897 × 10^7
Engineering notation 1.8493897 × 10^6

Prime Factorization of 18493897

Prime Factorization 263 × 19 × 3701

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18493897
Product of the distinct prime numbers

The prime factorization of 18493897 is 263 × 19 × 3701. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18493897)

Multiplication

n×y
n×2 36987794
n×3 55481691
n×4 73975588
n×5 92469485

Division

n÷y
n÷2 9246948.5
n÷3 6164632.3333333
n÷3 4623474.25
n÷5 3698779.4

Exponentiation

ny
n2 342024226246609
n3 6.3253608117095E+21
n4 1.1698057133959E+29
n5 2.1634266373556E+36

Nth Root

y√n
2√n 4300.4531156612
3√n 264.44953731819
4√n 65.577840126533
5√n 28.405712484079

Divisors of 18493897

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 -18493896
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 18493897 can be divided by 8 positive divisors. The sum of these divisors (counting 18493897) is 1, the average is 0.125.

Base conversion 18493897

Base System Value
2 Binary 1000110100011000111001001
3 Ternary 1021210120212011
4 Quaternary 1012203013021
5 Quinary 14213301042
6 Senary 1500215521
8 Octal 106430711
10 Decimal 18493897
12 Duodecimal 623a5a1
16 Hexadecimal 11a31c9
20 Vigesimal 5fbeeh
36 Base36 b0dzd

Cryptographic Hash Functions

md5 41da75950e80dff20e41e3a1fa27b15d
sha1 5051c546a6853143395f3eb6542ee9473e5f83f6
sha256 4bf4f905c5b625ed28245a87d1c8436ca8d9dff9a12a739248b18ebf4284f381
sha512 ad02d73da4f550d934329d547abd90490c51d70083e75508e76aa8896f2286a1e8c314812fe3494a4e380ca9f7ded6f67b2b957a1abd6f9800d72cf0860464ef
ripemd-160 eacff2513fffc46ea1bf8bc59e84a7eec3ec0205

18493897 as geometric shapes

Circle

Radius = n
Diameter 36987794
Circumference 116200581.90289
Area 1.0745007965261E+15

Sphere

Radius = n
Volume 2.6495609409828E+22
Surface area 4.2980031861043E+15
Circumference 116200581.90289

Square

Length = n
Perimeter 73975588
Area 342024226246609
Diagonal 26154319.958531

Cube

Length = n
Surface area 2052145357479654
Volume 6.3253608117095E+21
Space diagonal 32032369.233946

Equilateral Triangle

Length = n
Perimeter 55481691
Area 1.4810083431964E+14
Altitude 16016184.616973

Triangular Pyramid

Length = n
Surface area 1.4810083431964E+14
Volume 7.4545092056857E+20
Height 8718106.6528437