20852821 (number)

20852821 is an odd 8-digits composite number following 20852820 and preceding 20852822. In scientific notation, it is written as 2.0852821 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 18957100 positive integers (up to 20852821) that are relatively prime to 20852821.

Interesting facts

Basic properties

Name

Name twenty million eight hundred fifty-two thousand eight hundred twenty-one

Notation

Scientific notation 2.0852821 × 10^7
Engineering notation 2.0852821 × 10^6

Prime Factorization of 20852821

Prime Factorization 11 × 1895711

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20852821
Product of the distinct prime numbers

The prime factorization of 20852821 is 11 × 1895711. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20852821)

Multiplication

n×y
n×2 41705642
n×3 62558463
n×4 83411284
n×5 104264105

Division

n÷y
n÷2 10426410.5
n÷3 6950940.3333333
n÷3 5213205.25
n÷5 4170564.2

Exponentiation

ny
n2 434840143658041
n3 9.0676436793154E+21
n4 1.8908595053655E+29
n5 3.9429754801534E+36

Nth Root

y√n
2√n 4566.4889138155
3√n 275.2463731472
4√n 67.575801244347
5√n 29.095978226852

Divisors of 20852821

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20852820
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20852821 can be divided by 4 positive divisors. The sum of these divisors (counting 20852821) is 1, the average is 0.25.

Base conversion 20852821

Base System Value
2 Binary 1001111100011000001010101
3 Ternary 1110020102200201
4 Quaternary 1033203001111
5 Quinary 20314242241
6 Senary 2022540501
8 Octal 117430125
10 Decimal 20852821
12 Duodecimal 6b97731
16 Hexadecimal 13e3055
20 Vigesimal 6a6c11
36 Base36 cey51

Cryptographic Hash Functions

md5 3656d2b54b9110a9d8cee051f1c7fdeb
sha1 10b98b3ce5f1412f7b9db6a510570d7229df2552
sha256 7b4949418fa9e1acba8f41b62779bc9d1a0be32c0d03f0c5a23896e8f1928ab5
sha512 7b8ccde06cd87425e87d15619570a5e910bb146fea958d1c1958af6e0df87a04f104676ae1d4827a77c8bfc0001ee891fe8e1c78b7a79ddeb0f4216a98c9f5da
ripemd-160 377958ca8f6c99a2ece1e06e4b1f0e9ff6713a70

20852821 as geometric shapes

Circle

Radius = n
Diameter 41705642
Circumference 131022138.52045
Area 1.366090600802E+15

Sphere

Radius = n
Volume 3.798245702441E+22
Surface area 5.4643624032081E+15
Circumference 131022138.52045

Square

Length = n
Perimeter 83411284
Area 434840143658041
Diagonal 29490342.271938

Cube

Length = n
Surface area 2609040861948246
Volume 9.0676436793154E+21
Space diagonal 36118145.453139

Equilateral Triangle

Length = n
Perimeter 62558463
Area 1.8829130549657E+14
Altitude 18059072.72657

Triangular Pyramid

Length = n
Surface area 1.8829130549657E+14
Volume 1.0686320558379E+21
Height 9830114.0906462