20856520 (number)

20856520 is an even 8-digits composite number following 20856519 and preceding 20856521. In scientific notation, it is written as 2.0856520 × 10^7. The sum of its digits is 28. It has a total of 6 prime factors and 32 positive divisors. There are 8319168 positive integers (up to 20856520) that are relatively prime to 20856520.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0856520 × 10^7
Engineering notation 2.0856520 × 10^6

Prime Factorization of 20856520

Prime Factorization 2 × 2 × 2 × 5 × 859 × 607

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5214130
Product of the distinct prime numbers

The prime factorization of 20856520 is 2 × 2 × 2 × 5 × 859 × 607. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20856520)

Multiplication

n×y
n×2 41713040
n×3 62569560
n×4 83426080
n×5 104282600

Division

n÷y
n÷2 10428260
n÷3 6952173.3333333
n÷3 5214130
n÷5 4171304

Exponentiation

ny
n2 434994426510400
n3 9.0724699564027E+21
n4 1.8922015109511E+29
n5 3.9464738657182E+36

Nth Root

y√n
2√n 4566.8939116209
3√n 275.2626471426
4√n 67.578797796505
5√n 29.097010397874

Divisors of 20856520

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20856519
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20856520 can be divided by 32 positive divisors. The sum of these divisors (counting 20856520) is 1, the average is 0.03125.

Base conversion 20856520

Base System Value
2 Binary 1001111100011111011001000
3 Ternary 1110020121202201
4 Quaternary 1033203323020
5 Quinary 20314402040
6 Senary 2023005544
8 Octal 117437310
10 Decimal 20856520
12 Duodecimal 6b998b4
16 Hexadecimal 13e3ec8
20 Vigesimal 6a7160
36 Base36 cf0zs

Cryptographic Hash Functions

md5 cd32b05609602d0b08ddb3b205bf0e6f
sha1 a4fe9c4e2161dc940b70ad6811e48911cc1d9772
sha256 e09d63f56173beb959fb9e566fecb0c252aba3427042382a0b43d7c841b68d7c
sha512 30307f1512d5112f5b7bf90f744e016c1eae48d176eb0c11c8c573d0aa93515ee1f950e76ca43ca727dcf11e8f1c8227800f6d51f34c53842d08b9b08219cbe6
ripemd-160 bbe8710be47dce978a7e5d46ed765aa701633a59

20856520 as geometric shapes

Circle

Radius = n
Diameter 41713040
Circumference 131045380.0229
Area 1.3665752946776E+15

Sphere

Radius = n
Volume 3.8002673286598E+22
Surface area 5.4663011787103E+15
Circumference 131045380.0229

Square

Length = n
Perimeter 83426080
Area 434994426510400
Diagonal 29495573.447906

Cube

Length = n
Surface area 2609966559062400
Volume 9.0724699564027E+21
Space diagonal 36124552.309076

Equilateral Triangle

Length = n
Perimeter 62569560
Area 1.8835811193132E+14
Altitude 18062276.154538

Triangular Pyramid

Length = n
Surface area 1.8835811193132E+14
Volume 1.0692008380473E+21
Height 9831857.8159686