18421805 (number)

18421805 is an odd 8-digits composite number following 18421804 and preceding 18421806. In scientific notation, it is written as 1.8421805 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 14691600 positive integers (up to 18421805) that are relatively prime to 18421805.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8421805 × 10^7
Engineering notation 1.8421805 × 10^6

Prime Factorization of 18421805

Prime Factorization 5 × 331 × 11131

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18421805
Product of the distinct prime numbers

The prime factorization of 18421805 is 5 × 331 × 11131. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18421805)

Multiplication

n×y
n×2 36843610
n×3 55265415
n×4 73687220
n×5 92109025

Division

n÷y
n÷2 9210902.5
n÷3 6140601.6666667
n÷3 4605451.25
n÷5 3684361

Exponentiation

ny
n2 339362899458025
n3 6.2516771580503E+21
n4 1.1516717752856E+29
n5 2.1215872868315E+36

Nth Root

y√n
2√n 4292.0630237684
3√n 264.10546845797
4√n 65.51383841425
5√n 28.383531921434

Divisors of 18421805

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 -18421804
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 18421805 can be divided by 8 positive divisors. The sum of these divisors (counting 18421805) is 1, the average is 0.125.

Base conversion 18421805

Base System Value
2 Binary 1000110010001100000101101
3 Ternary 1021122220222002
4 Quaternary 1012101200231
5 Quinary 14203444210
6 Senary 1454502045
8 Octal 106214055
10 Decimal 18421805
12 Duodecimal 6204925
16 Hexadecimal 119182d
20 Vigesimal 5f2ea5
36 Base36 ayuct

Cryptographic Hash Functions

md5 c711481427df888bc997c8254868cc2e
sha1 6dae2c0fed0383f604801395a18579ea5a616aa3
sha256 f30e35408ed0c73ad407e90aedb4ed2820c298bd919f27c6d866be9be010b577
sha512 49c2805f5794f428a19ed445a026a8b3912aad75262e3734b3d9206500fa425009a20314999ca92db751196aa691b97c9f272d505d7ff6a5aeebd5cc1e83be2d
ripemd-160 b4ed013badd3b5c50672152ffa13a8d6f5bd645e

18421805 as geometric shapes

Circle

Radius = n
Diameter 36843610
Circumference 115747614.50773
Area 1.0661399918383E+15

Sphere

Radius = n
Volume 2.6186964043128E+22
Surface area 4.2645599673531E+15
Circumference 115747614.50773

Square

Length = n
Perimeter 73687220
Area 339362899458025
Diagonal 26052366.474392

Cube

Length = n
Surface area 2036177396748150
Volume 6.2516771580503E+21
Space diagonal 31907502.227126

Equilateral Triangle

Length = n
Perimeter 55265415
Area 1.469484460163E+14
Altitude 15953751.113563

Triangular Pyramid

Length = n
Surface area 1.469484460163E+14
Volume 7.3676721870774E+20
Height 8684122.1581308