18994218 (number)

18994218 is an even 8-digits composite number following 18994217 and preceding 18994219. In scientific notation, it is written as 1.8994218 × 10^7. The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors. There are 6102768 positive integers (up to 18994218) that are relatively prime to 18994218.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred ninety-four thousand two hundred eighteen

Notation

Scientific notation 1.8994218 × 10^7
Engineering notation 1.8994218 × 10^6

Prime Factorization of 18994218

Prime Factorization 2 × 3 × 43 × 83 × 887

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 18994218
Product of the distinct prime numbers

The prime factorization of 18994218 is 2 × 3 × 43 × 83 × 887. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18994218)

Multiplication

n×y
n×2 37988436
n×3 56982654
n×4 75976872
n×5 94971090

Division

n÷y
n÷2 9497109
n÷3 6331406
n÷3 4748554.5
n÷5 3798843.6

Exponentiation

ny
n2 360780317431524
n3 6.8527399994036E+21
n4 1.3016243744599E+29
n5 2.4723337122605E+36

Nth Root

y√n
2√n 4358.2356521877
3√n 266.81309423419
4√n 66.01693458642
5√n 28.557769480682

Divisors of 18994218

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18994217
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18994218 can be divided by 32 positive divisors. The sum of these divisors (counting 18994218) is 1, the average is 0.03125.

Base conversion 18994218

Base System Value
2 Binary 1001000011101010000101010
3 Ternary 1022202000011120
4 Quaternary 1020131100222
5 Quinary 14330303333
6 Senary 1515040110
8 Octal 110352052
10 Decimal 18994218
12 Duodecimal 6440036
16 Hexadecimal 121d42a
20 Vigesimal 5ie5ai
36 Base36 bb416

Cryptographic Hash Functions

md5 40d279ad72b330c558d32d5789ea8407
sha1 1797afe400cae23a6c372443fc3cd1e441af6aed
sha256 a58681cca8af2c629bc97a00381180d9dd2c920431918fdcae7d6356f0332a48
sha512 666f16c554e23d3282aff581448f9cd4dd2eeabb40cc86c8df24caafce30f37fb64359409116fe8265c43e5441fd4c5479fa31e028c2420f5492182f48400fec
ripemd-160 770dc4ded6071b38aabcfbe006d7b9a95b60454c

18994218 as geometric shapes

Circle

Radius = n
Diameter 37988436
Circumference 119344191.45897
Area 1.1334247948027E+15

Sphere

Radius = n
Volume 2.870469018545E+22
Surface area 4.5336991792107E+15
Circumference 119344191.45897

Square

Length = n
Perimeter 75976872
Area 360780317431524
Diagonal 26861880.702271

Cube

Length = n
Surface area 2164681904589144
Volume 6.8527399994036E+21
Space diagonal 32898950.626039

Equilateral Triangle

Length = n
Perimeter 56982654
Area 1.5622246004056E+14
Altitude 16449475.31302

Triangular Pyramid

Length = n
Surface area 1.5622246004056E+14
Volume 8.0760315388109E+20
Height 8953960.2340904