20505655 (number)

20505655 is an odd 8-digits composite number following 20505654 and preceding 20505656. In scientific notation, it is written as 2.0505655 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors. There are 14625792 positive integers (up to 20505655) that are relatively prime to 20505655.

Interesting facts

Basic properties

Name

Name twenty million five hundred five thousand six hundred fifty-five

Notation

Scientific notation 2.0505655 × 10^7
Engineering notation 2.0505655 × 10^6

Prime Factorization of 20505655

Prime Factorization 5 × 19 × 17 × 12697

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20505655
Product of the distinct prime numbers

The prime factorization of 20505655 is 5 × 19 × 17 × 12697. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 7, 41, 19, 662, 699, 2104, 5673, 99307, 58668, 956881, 714242, 4959309, 6647651, 64099215, 65202564, 185971505, 73141520, 8258294191, 5028235031

Basic calculations (n = 20505655)

Multiplication

n×y
n×2 41011310
n×3 61516965
n×4 82022620
n×5 102528275

Division

n÷y
n÷2 10252827.5
n÷3 6835218.3333333
n÷3 5126413.75
n÷5 4101131

Exponentiation

ny
n2 420481886979025
n3 8.6222565081409E+21
n4 1.7680501727744E+29
n5 3.6255026865603E+36

Nth Root

y√n
2√n 4528.3170162876
3√n 273.71034711267
4√n 67.292770906596
5√n 28.998446278429

Divisors of 20505655

1, 5, 17, 19, 85, 95, 323, 1615, 12697, 63485, 215849, 241243, 1079245, 1206215, 4101131, 20505655

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 -20505654
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 20505655 can be divided by 16 positive divisors. The sum of these divisors (counting 20505655) is 1, the average is 0.0625.

Base conversion 20505655

Base System Value
2 Binary 1001110001110010000110111
3 Ternary 1102120210110201
4 Quaternary 1032032100313
5 Quinary 20222140110
6 Senary 2011301331
8 Octal 116162067
10 Decimal 20505655
12 Duodecimal 6a4a847
16 Hexadecimal 138e437
20 Vigesimal 68342f
36 Base36 c7i9j

Cryptographic Hash Functions

md5 ca846f9383dea5cc6dd56905ff2540b7
sha1 fa34870d0821e0236c50b23d86629be4697e9ec3
sha256 a7108e6b13dbbd553d54e93ded56dae6cf7dc036dd564ac1d00899cba508845a
sha512 621c81eee30ca752aba785e579e326386f72cf54fdefe5c962411e6b5cb0613d6acd09fe9b6eb2cc389afdd59014049aea75abe713991ae0227af56400eb0ec4
ripemd-160 4cd7da7304dc2630bfecfeee9e9fc118da122d0b

20505655 as geometric shapes

Circle

Radius = n
Diameter 41011310
Circumference 128840830.21009
Area 1.3209828071009E+15

Sphere

Radius = n
Volume 3.6116823604456E+22
Surface area 5.2839312284035E+15
Circumference 128840830.21009

Square

Length = n
Perimeter 82022620
Area 420481886979025
Diagonal 28999375.406344

Cube

Length = n
Surface area 2522891321874150
Volume 8.6222565081409E+21
Space diagonal 35516836.302479

Equilateral Triangle

Length = n
Perimeter 61516965
Area 1.8207399797753E+14
Altitude 17758418.151239

Triangular Pyramid

Length = n
Surface area 1.8207399797753E+14
Volume 1.0161426743394E+21
Height 9666458.4687812