20685055 (number)

20685055 is an odd 8-digits composite number following 20685054 and preceding 20685056. In scientific notation, it is written as 2.0685055 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 16464096 positive integers (up to 20685055) that are relatively prime to 20685055.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0685055 × 10^7
Engineering notation 2.0685055 × 10^6

Prime Factorization of 20685055

Prime Factorization 5 × 199 × 20789

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20685055
Product of the distinct prime numbers

The prime factorization of 20685055 is 5 × 199 × 20789. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20685055)

Multiplication

n×y
n×2 41370110
n×3 62055165
n×4 82740220
n×5 103425275

Division

n÷y
n÷2 10342527.5
n÷3 6895018.3333333
n÷3 5171263.75
n÷5 4137011

Exponentiation

ny
n2 427871500353025
n3 8.8505455177348E+21
n4 1.8307402081435E+29
n5 3.7868961896159E+36

Nth Root

y√n
2√n 4548.0825630149
3√n 274.50624347806
4√n 67.439473329904
5√n 29.049009994706

Divisors of 20685055

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 -20685054
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 20685055 can be divided by 8 positive divisors. The sum of these divisors (counting 20685055) is 1, the average is 0.125.

Base conversion 20685055

Base System Value
2 Binary 1001110111010000011111111
3 Ternary 1102220220120011
4 Quaternary 1032322003333
5 Quinary 20243410210
6 Senary 2015204051
8 Octal 116720377
10 Decimal 20685055
12 Duodecimal 6b16627
16 Hexadecimal 13ba0ff
20 Vigesimal 695ccf
36 Base36 cbcov

Cryptographic Hash Functions

md5 830c71f07816383e68c99ae1e6005dfd
sha1 b21b51089b9f5f60a47971cb6fd4321cb222c515
sha256 e7f2556cf054eb77ff0ed1666beba802d0189c829ad54628010048a0b9e24b20
sha512 16cdda8bef7477dcefd9271f1a3a72abe323c263b8db30c7a39053367aa3002372858a9764d9ec0a4550117e4eabe78e4cc032622682033a40952b7886451e17
ripemd-160 570746645af3753a9db46351a9d01dc1fdeeb0c9

20685055 as geometric shapes

Circle

Radius = n
Diameter 41370110
Circumference 129968033.6542
Area 1.3441979621895E+15

Sphere

Radius = n
Volume 3.7073078371704E+22
Surface area 5.376791848758E+15
Circumference 129968033.6542

Square

Length = n
Perimeter 82740220
Area 427871500353025
Diagonal 29253085.319433

Cube

Length = n
Surface area 2567229002118150
Volume 8.8505455177348E+21
Space diagonal 35827566.217357

Equilateral Triangle

Length = n
Perimeter 62055165
Area 1.8527379443054E+14
Altitude 17913783.108678

Triangular Pyramid

Length = n
Surface area 1.8527379443054E+14
Volume 1.0430467921318E+21
Height 9751028.4398111