20021821 (number)

20021821 is an odd 8-digits prime number following 20021820 and preceding 20021822. In scientific notation, it is written as 2.0021821 × 10^7. The sum of its digits is 16. It has a total of 1 prime factors and 2 positive divisors. There are 20021820 positive integers (up to 20021821) that are relatively prime to 20021821.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0021821 × 10^7
Engineering notation 2.0021821 × 10^6

Prime Factorization of 20021821

Prime Factorization 20021821

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 20021821
Product of the distinct prime numbers

The prime factorization of 20021821 is 20021821. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20021821)

Multiplication

n×y
n×2 40043642
n×3 60065463
n×4 80087284
n×5 100109105

Division

n÷y
n÷2 10010910.5
n÷3 6673940.3333333
n÷3 5005455.25
n÷5 4004364.2

Exponentiation

ny
n2 400873316156041
n3 8.0262137797527E+21
n4 1.6069941560594E+29
n5 3.2174949340668E+36

Nth Root

y√n
2√n 4474.5749518809
3√n 271.54044462352
4√n 66.892263767052
5√n 28.86029160307

Divisors of 20021821

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 20021822
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10010911
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4474.5750636234
Returns the nth root of the product of n divisors
H Harmonic Mean 1.999999900109
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20021821 can be divided by 2 positive divisors. The sum of these divisors (counting 20021821) is 20021822, the average is 10010911.

Base conversion 20021821

Base System Value
2 Binary 1001100011000001000111101
3 Ternary 1101200012202221
4 Quaternary 1030120020331
5 Quinary 20111144241
6 Senary 1553045341
8 Octal 114301075
10 Decimal 20021821
12 Duodecimal 6856851
16 Hexadecimal 131823d
20 Vigesimal 652eb1
36 Base36 bx4xp

Cryptographic Hash Functions

md5 ac5c96464007c0313e34629ab8b27789
sha1 f2ef9d86ef76659f64a6b0123f77f0fa2857cd92
sha256 c6e50fa3c1bce7e97d8db7fced2fc9a2127f05f943f5d5a258bc6c8749ee0e7c
sha512 f0bd483fd254a2b9f62c15f2c47f5f8e781ae38c432a3eb8de439721f5f3be4c0b1343fed8c6ed304674583938222dc708bebd799c01e074975a24641389d4c2
ripemd-160 aba9538c3b15daf73ae6f2a5327e88812d257968

20021821 as geometric shapes

Circle

Radius = n
Diameter 40043642
Circumference 125800811.53018
Area 1.259380665056E+15

Sphere

Radius = n
Volume 3.362012566215E+22
Surface area 5.037522660224E+15
Circumference 125800811.53018

Square

Length = n
Perimeter 80087284
Area 400873316156041
Diagonal 28315130.801606

Cube

Length = n
Surface area 2405239896936246
Volume 8.0262137797527E+21
Space diagonal 34678811.23205

Equilateral Triangle

Length = n
Perimeter 60065463
Area 1.7358323774522E+14
Altitude 17339405.616025

Triangular Pyramid

Length = n
Surface area 1.7358323774522E+14
Volume 9.4589836515267E+20
Height 9438376.9338688