20808516 (number)

20808516 is an even 8-digits composite number following 20808515 and preceding 20808517. In scientific notation, it is written as 2.0808516 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 12 positive divisors. There are 6936168 positive integers (up to 20808516) that are relatively prime to 20808516.

Interesting facts

Basic properties

Name

Name twenty million eight hundred eight thousand five hundred sixteen

Notation

Scientific notation 2.0808516 × 10^7
Engineering notation 2.0808516 × 10^6

Prime Factorization of 20808516

Prime Factorization 2 × 2 × 3 × 1734043

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10404258
Product of the distinct prime numbers

The prime factorization of 20808516 is 2 × 2 × 3 × 1734043. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20808516)

Multiplication

n×y
n×2 41617032
n×3 62425548
n×4 83234064
n×5 104042580

Division

n÷y
n÷2 10404258
n÷3 6936172
n÷3 5202129
n÷5 4161703.2

Exponentiation

ny
n2 432994338122256
n3 9.0099696127264E+21
n4 1.8748409684593E+29
n5 3.9012658289641E+36

Nth Root

y√n
2√n 4561.6352331154
3√n 275.05130062223
4√n 67.53987883551
5√n 29.083603936893

Divisors of 20808516

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20808515
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20808516 can be divided by 12 positive divisors. The sum of these divisors (counting 20808516) is 1, the average is 0.083333333333333.

Base conversion 20808516

Base System Value
2 Binary 1001111011000001101000100
3 Ternary 1110011011220210
4 Quaternary 1033120031010
5 Quinary 20311333031
6 Senary 2021555420
8 Octal 117301504
10 Decimal 20808516
12 Duodecimal 6b75b70
16 Hexadecimal 13d8344
20 Vigesimal 6a115g
36 Base36 cdzyc

Cryptographic Hash Functions

md5 eebd03dcdd0759ac8b5d506744fdd0ca
sha1 22bf0e4c824be9ee265f41a5b996be12aecd95c9
sha256 faf4f7f02ac7a3370c9345b971e2905360e14f16a98d0abd8375be8074e1fb8f
sha512 6e5c1ba4bef7be227e52372289ff34d9c4278a0f927bac3a73d4360df2d60444584bae14c1245746ae004ba7869015b8c4155c5fbd9d79b76b40a4eccd454224
ripemd-160 ad101589154eae93ed9cdd268b373993552cf754

20808516 as geometric shapes

Circle

Radius = n
Diameter 41617032
Circumference 130743761.99541
Area 1.3602918316909E+15

Sphere

Radius = n
Volume 3.7740872459211E+22
Surface area 5.4411673267634E+15
Circumference 130743761.99541

Square

Length = n
Perimeter 83234064
Area 432994338122256
Diagonal 29427685.540058

Cube

Length = n
Surface area 2597966028733536
Volume 9.0099696127264E+21
Space diagonal 36041406.94211

Equilateral Triangle

Length = n
Perimeter 62425548
Area 1.8749204825435E+14
Altitude 18020703.471055

Triangular Pyramid

Length = n
Surface area 1.8749204825435E+14
Volume 1.0618351019073E+21
Height 9809228.5133525