18421806 (number)

18421806 is an even 8-digits composite number following 18421805 and preceding 18421807. In scientific notation, it is written as 1.8421806 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 5570784 positive integers (up to 18421806) that are relatively prime to 18421806.

Interesting facts

Basic properties

Name

Name eighteen million four hundred twenty-one thousand eight hundred six

Notation

Scientific notation 1.8421806 × 10^7
Engineering notation 1.8421806 × 10^6

Prime Factorization of 18421806

Prime Factorization 2 × 39 × 59 × 4003

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18421806
Product of the distinct prime numbers

The prime factorization of 18421806 is 2 × 39 × 59 × 4003. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18421806)

Multiplication

n×y
n×2 36843612
n×3 55265418
n×4 73687224
n×5 92109030

Division

n÷y
n÷2 9210903
n÷3 6140602
n÷3 4605451.5
n÷5 3684361.2

Exponentiation

ny
n2 339362936301636
n3 6.2516781761391E+21
n4 1.1516720253527E+29
n5 2.1215878626674E+36

Nth Root

y√n
2√n 4292.0631402625
3√n 264.10547323682
4√n 65.51383930333
5√n 28.383532229585

Divisors of 18421806

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 -18421805
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 18421806 can be divided by 16 positive divisors. The sum of these divisors (counting 18421806) is 1, the average is 0.0625.

Base conversion 18421806

Base System Value
2 Binary 1000110010001100000101110
3 Ternary 1021122220222010
4 Quaternary 1012101200232
5 Quinary 14203444211
6 Senary 1454502050
8 Octal 106214056
10 Decimal 18421806
12 Duodecimal 6204926
16 Hexadecimal 119182e
20 Vigesimal 5f2ea6
36 Base36 ayucu

Cryptographic Hash Functions

md5 ea8f02a22a1ed6d81711a1f6d8524da0
sha1 ec41a6b452b75ee762784d6601712bf31b306029
sha256 9cbfa2d68966393adb174920234b772affc7734cd6cfbe735afc424294c167a9
sha512 e8f5d8b2c3627745a5f645398f0ff2f43b459f71e1160bb1069fb21a1d4067e5cb0ed561950dc547792484b4e68246751e48b9076869ee90c844bfad219177cc
ripemd-160 69b28493f8cf23456fa4bc303fd91bfdee0be3a2

18421806 as geometric shapes

Circle

Radius = n
Diameter 36843612
Circumference 115747620.79091
Area 1.0661401075859E+15

Sphere

Radius = n
Volume 2.6186968307688E+22
Surface area 4.2645604303435E+15
Circumference 115747620.79091

Square

Length = n
Perimeter 73687224
Area 339362936301636
Diagonal 26052367.888606

Cube

Length = n
Surface area 2036177617809816
Volume 6.2516781761391E+21
Space diagonal 31907503.959177

Equilateral Triangle

Length = n
Perimeter 55265418
Area 1.4694846197005E+14
Altitude 15953751.979589

Triangular Pyramid

Length = n
Surface area 1.4694846197005E+14
Volume 7.3676733869065E+20
Height 8684122.6295354