20020821 (number)

20020821 is an odd 8-digits composite number following 20020820 and preceding 20020822. In scientific notation, it is written as 2.0020821 × 10^7. The sum of its digits is 15. It has a total of 2 prime factors and 4 positive divisors. There are 13347212 positive integers (up to 20020821) that are relatively prime to 20020821.

Interesting facts

Basic properties

Name

Name twenty million twenty thousand eight hundred twenty-one

Notation

Scientific notation 2.0020821 × 10^7
Engineering notation 2.0020821 × 10^6

Prime Factorization of 20020821

Prime Factorization 3 × 6673607

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20020821
Product of the distinct prime numbers

The prime factorization of 20020821 is 3 × 6673607. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20020821)

Multiplication

n×y
n×2 40041642
n×3 60062463
n×4 80083284
n×5 100104105

Division

n÷y
n÷2 10010410.5
n÷3 6673607
n÷3 5005205.25
n÷5 4004164.2

Exponentiation

ny
n2 400833273514041
n3 8.0250112198687E+21
n4 1.6066731315598E+29
n5 3.2166915172469E+36

Nth Root

y√n
2√n 4474.4632080284
3√n 271.53592380654
4√n 66.891428509402
5√n 28.860003308931

Divisors of 20020821

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 -20020820
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 20020821 can be divided by 4 positive divisors. The sum of these divisors (counting 20020821) is 1, the average is 0.25.

Base conversion 20020821

Base System Value
2 Binary 1001100010111111001010101
3 Ternary 1101200011101220
4 Quaternary 1030113321111
5 Quinary 20111131241
6 Senary 1553040553
8 Octal 114277125
10 Decimal 20020821
12 Duodecimal 6856159
16 Hexadecimal 1317e55
20 Vigesimal 652c11
36 Base36 bx45x

Cryptographic Hash Functions

md5 d9e305e14fd6b306e71a36cc9f5e0be7
sha1 c0e7f23556d273488fe7aa99ec6bb7385ac47e3b
sha256 0ba6f11fff9e7ebf5fd1583971ffb9cb545fc96d1813241913c4bc3ee6e2ab8c
sha512 5575e905ef9f23a0ca1ff07812b6f79322ac03818f467730d586f93cd0c5bc947f03264f5d519d2243d29ce81c44494edb2ebba93635d09d5b81ab816e6581f0
ripemd-160 d6782ab34aaf8010cf9f37ee4561584e448d6f28

20020821 as geometric shapes

Circle

Radius = n
Diameter 40041642
Circumference 125794528.34487
Area 1.2592548673861E+15

Sphere

Radius = n
Volume 3.3615088391087E+22
Surface area 5.0370194695442E+15
Circumference 125794528.34487

Square

Length = n
Perimeter 80083284
Area 400833273514041
Diagonal 28313716.588044

Cube

Length = n
Surface area 2404999641084246
Volume 8.0250112198687E+21
Space diagonal 34677079.181242

Equilateral Triangle

Length = n
Perimeter 60062463
Area 1.7356589877262E+14
Altitude 17338539.590621

Triangular Pyramid

Length = n
Surface area 1.7356589877262E+14
Volume 9.4575664211121E+20
Height 9437905.529348