20808421 (number)

20808421 is an odd 8-digits prime number following 20808420 and preceding 20808422. In scientific notation, it is written as 2.0808421 × 10^7. The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors. There are 20808420 positive integers (up to 20808421) that are relatively prime to 20808421.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0808421 × 10^7
Engineering notation 2.0808421 × 10^6

Prime Factorization of 20808421

Prime Factorization 20808421

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 20808421
Product of the distinct prime numbers

The prime factorization of 20808421 is 20808421. Since it has a total of 1 prime factors.

Most popular turbo-numbers

5, 8, 27, 52, 731, 721, 5265, 328, 96821, 75524, 403406, 887632, 8705260, 5860341, 40810357, 64954700, 449026687, 24478709, 7109705639, 7272255166

Basic calculations (n = 20808421)

Multiplication

n×y
n×2 41616842
n×3 62425263
n×4 83233684
n×5 104042105

Division

n÷y
n÷2 10404210.5
n÷3 6936140.3333333
n÷3 5202105.25
n÷5 4161684.2

Exponentiation

ny
n2 432990384513241
n3 9.0098462099034E+21
n4 1.8748067308092E+29
n5 3.9011767748312E+36

Nth Root

y√n
2√n 4561.624820171
3√n 275.05088204499
4√n 67.539801748088
5√n 29.083577380964

Divisors of 20808421

1, 20808421

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 20808422
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10404211
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4561.6249297811
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999038851
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20808421 can be divided by 2 positive divisors. The sum of these divisors (counting 20808421) is 20808422, the average is 10404211.

Base conversion 20808421

Base System Value
2 Binary 1001111011000001011100101
3 Ternary 1110011011210021
4 Quaternary 1033120023211
5 Quinary 20311332141
6 Senary 2021555141
8 Octal 117301345
10 Decimal 20808421
12 Duodecimal 6b75ab1
16 Hexadecimal 13d82e5
20 Vigesimal 6a1111
36 Base36 cdzvp

Cryptographic Hash Functions

md5 582a5cede12142c1cc7b60078714f03b
sha1 586eb98c21468988e50d78450681bfabb3e7c75e
sha256 06e0c5c7cdbfc4ba65300d415400e50688b22b5bd45b44f4972200c46857b697
sha512 bf02fe547efc22885452e0d80cfb512fc538e5c4f8116f48a75c1db44bc8a8df0ce770e7fdae3386d6dccdfd333a745e18e4d46f929c2cab78b46bab981e846b
ripemd-160 ad60f9e2c29fa3b1df952d728384c663a9073e1d

20808421 as geometric shapes

Circle

Radius = n
Diameter 41616842
Circumference 130743165.09281
Area 1.3602794110618E+15

Sphere

Radius = n
Volume 3.7740355550675E+22
Surface area 5.4411176442473E+15
Circumference 130743165.09281

Square

Length = n
Perimeter 83233684
Area 432990384513241
Diagonal 29427551.189769

Cube

Length = n
Surface area 2597942307079446
Volume 9.0098462099034E+21
Space diagonal 36041242.397283

Equilateral Triangle

Length = n
Perimeter 62425263
Area 1.8749033629143E+14
Altitude 18020621.198642

Triangular Pyramid

Length = n
Surface area 1.8749033629143E+14
Volume 1.0618205587451E+21
Height 9809183.729923