18806421 (number)

18806421 is an odd 8-digits composite number following 18806420 and preceding 18806422. In scientific notation, it is written as 1.8806421 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 12537612 positive integers (up to 18806421) that are relatively prime to 18806421.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8806421 × 10^7
Engineering notation 1.8806421 × 10^6

Prime Factorization of 18806421

Prime Factorization 3 × 6268807

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18806421
Product of the distinct prime numbers

The prime factorization of 18806421 is 3 × 6268807. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18806421)

Multiplication

n×y
n×2 37612842
n×3 56419263
n×4 75225684
n×5 94032105

Division

n÷y
n÷2 9403210.5
n÷3 6268807
n÷3 4701605.25
n÷5 3761284.2

Exponentiation

ny
n2 353681470829241
n3 6.6514826403139E+21
n4 1.2509058280794E+29
n5 2.3525061634214E+36

Nth Root

y√n
2√n 4336.6370611339
3√n 265.93084772205
4√n 65.853147693439
5√n 28.501074331556

Divisors of 18806421

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18806420
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18806421 can be divided by 4 positive divisors. The sum of these divisors (counting 18806421) is 1, the average is 0.25.

Base conversion 18806421

Base System Value
2 Binary 1000111101111011010010101
3 Ternary 1022101110120010
4 Quaternary 1013233122111
5 Quinary 14303301141
6 Senary 1511030433
8 Octal 107573225
10 Decimal 18806421
12 Duodecimal 636b419
16 Hexadecimal 11ef695
20 Vigesimal 5hag11
36 Base36 b734l

Cryptographic Hash Functions

md5 b2d37987967c2c478bfba641f2795639
sha1 532dc0c7371623d61d9651f8dc74e38185ab78be
sha256 8c8ec439a9fe3c2f4516ae5e056734c535714c9304bff08eab45bea2990a5259
sha512 12dc8fa527e33ef41ccfb16caf38de99095b208c5147d4b7bad0ca5c820ac567d4dd64ab04e7abeae959db26fc434cd60cedcc06633dec94ed86291aae9d167f
ripemd-160 49c81592a51f9fd94f82ecf4ff0b64d5f2998ce0

18806421 as geometric shapes

Circle

Radius = n
Diameter 37612842
Circumference 118164228.10783
Area 1.111123110468E+15

Sphere

Radius = n
Volume 2.7861665331054E+22
Surface area 4.4444924418719E+15
Circumference 118164228.10783

Square

Length = n
Perimeter 75225684
Area 353681470829241
Diagonal 26596295.637898

Cube

Length = n
Surface area 2122088824975446
Volume 6.6514826403139E+21
Space diagonal 32573676.68053

Equilateral Triangle

Length = n
Perimeter 56419263
Area 1.5314856929298E+14
Altitude 16286838.340265

Triangular Pyramid

Length = n
Surface area 1.5314856929298E+14
Volume 7.8388474665176E+20
Height 8865431.8792994