20809085 (number)

20809085 is an odd 8-digits composite number following 20809084 and preceding 20809086. In scientific notation, it is written as 2.0809085 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 14336640 positive integers (up to 20809085) that are relatively prime to 20809085.

Interesting facts

Basic properties

Name

Name twenty million eight hundred nine thousand eighty-five

Notation

Scientific notation 2.0809085 × 10^7
Engineering notation 2.0809085 × 10^6

Prime Factorization of 20809085

Prime Factorization 5 × 19 × 11 × 19913

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20809085
Product of the distinct prime numbers

The prime factorization of 20809085 is 5 × 19 × 11 × 19913. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 3, 85, 21, 454, 461, 4003, 8233, 37090, 40776, 718945, 80423, 881613, 3588417, 47853805, 82702035, 870116628, 584588986, 1465470752, 4208566697

Basic calculations (n = 20809085)

Multiplication

n×y
n×2 41618170
n×3 62427255
n×4 83236340
n×5 104045425

Division

n÷y
n÷2 10404542.5
n÷3 6936361.6666667
n÷3 5202271.25
n÷5 4161817

Exponentiation

ny
n2 433018018537225
n3 9.0107087542727E+21
n4 1.875046043779E+29
n5 3.9017992503912E+36

Nth Root

y√n
2√n 4561.6976006746
3√n 275.0538076529
4√n 67.540340543075
5√n 29.083762990904

Divisors of 20809085

1, 5, 11, 19, 55, 95, 209, 1045, 19913, 99565, 219043, 378347, 1095215, 1891735, 4161817, 20809085

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20809084
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20809085 can be divided by 16 positive divisors. The sum of these divisors (counting 20809085) is 1, the average is 0.0625.

Base conversion 20809085

Base System Value
2 Binary 1001111011000010101111101
3 Ternary 1110011012200212
4 Quaternary 1033120111331
5 Quinary 20311342320
6 Senary 2022002205
8 Octal 117302575
10 Decimal 20809085
12 Duodecimal 6b76365
16 Hexadecimal 13d857d
20 Vigesimal 6a12e5
36 Base36 ce0e5

Cryptographic Hash Functions

md5 31dd19c2369fd43f5fb817c6747a2505
sha1 3dff6653395a4d8029c2c7aeef823b81c572f640
sha256 701a9795f09d8a6fb05a4cd99100c766a59cd33f065ebe7c1d1e825268e41e36
sha512 4db7529a1ab9adf8caea991a42d1c24094366da1f3fc14d6136548419e155c59149333863287b8989c225f1e1a5f6ec7b784a9db58d73f3f45f140d540d06496
ripemd-160 775f0b18a3fa90840d2bb419233b1ae1ba254556

20809085 as geometric shapes

Circle

Radius = n
Diameter 41618170
Circumference 130747337.12785
Area 1.3603662259086E+15

Sphere

Radius = n
Volume 3.774396856808E+22
Surface area 5.4414649036342E+15
Circumference 130747337.12785

Square

Length = n
Perimeter 83236340
Area 433018018537225
Diagonal 29428490.227575

Cube

Length = n
Surface area 2598108111223350
Volume 9.0107087542727E+21
Space diagonal 36042392.479019

Equilateral Triangle

Length = n
Perimeter 62427255
Area 1.8750230217482E+14
Altitude 18021196.23951

Triangular Pyramid

Length = n
Surface area 1.8750230217482E+14
Volume 1.0619222105739E+21
Height 9809496.7425248