20421806 (number)

20421806 is an even 8-digits composite number following 20421805 and preceding 20421807. In scientific notation, it is written as 2.0421806 × 10^7. The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors. There are 10115368 positive integers (up to 20421806) that are relatively prime to 20421806.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0421806 × 10^7
Engineering notation 2.0421806 × 10^6

Prime Factorization of 20421806

Prime Factorization 2 × 107 × 95429

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20421806
Product of the distinct prime numbers

The prime factorization of 20421806 is 2 × 107 × 95429. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20421806)

Multiplication

n×y
n×2 40843612
n×3 61265418
n×4 81687224
n×5 102109030

Division

n÷y
n÷2 10210903
n÷3 6807268.6666667
n÷3 5105451.5
n÷5 4084361.2

Exponentiation

ny
n2 417050160301636
n3 8.5169174659489E+21
n4 1.7393083620762E+29
n5 3.5519817944498E+36

Nth Root

y√n
2√n 4519.0492362885
3√n 273.33676411848
4√n 67.22387400536
5√n 28.974692074831

Divisors of 20421806

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 -20421805
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 20421806 can be divided by 8 positive divisors. The sum of these divisors (counting 20421806) is 1, the average is 0.125.

Base conversion 20421806

Base System Value
2 Binary 1001101111001110010101110
3 Ternary 1102102112110012
4 Quaternary 1031321302232
5 Quinary 20211444211
6 Senary 2005413222
8 Octal 115716256
10 Decimal 20421806
12 Duodecimal 6a0a212
16 Hexadecimal 1379cae
20 Vigesimal 67cea6
36 Base36 c5pke

Cryptographic Hash Functions

md5 19e3c31da5a4c8a1a84dac8b2c7e8cce
sha1 d82b1898890993e8086001f5e997345cd55b58ce
sha256 f8446601daabf6016a792455233104229f40ab646b42841eef22ad94f18e83bd
sha512 29fd416c9a260a43c71eee85d8dbb56cd8fa82ef9e9d2bebc2bcd8ce69be6f884d24fb769cc81fedbafd4520cf3dccbb53ac3d0459ab355de8fd9096275ad74d
ripemd-160 b77188d1db12ef7e0aec3c08c7ecaf6bba487753

20421806 as geometric shapes

Circle

Radius = n
Diameter 40843612
Circumference 128313991.40527
Area 1.3102017197821E+15

Sphere

Radius = n
Volume 3.5675580456341E+22
Surface area 5.2408068791283E+15
Circumference 128313991.40527

Square

Length = n
Perimeter 81687224
Area 417050160301636
Diagonal 28880795.013352

Cube

Length = n
Surface area 2502300961809816
Volume 8.5169174659489E+21
Space diagonal 35371605.574315

Equilateral Triangle

Length = n
Perimeter 61265418
Area 1.8058801673679E+14
Altitude 17685802.787157

Triangular Pyramid

Length = n
Surface area 1.8058801673679E+14
Volume 1.0037283491631E+21
Height 9626931.6711174