20804821 (number)

20804821 is an odd 8-digits composite number following 20804820 and preceding 20804822. In scientific notation, it is written as 2.0804821 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 12 positive divisors. There are 19427328 positive integers (up to 20804821) that are relatively prime to 20804821.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0804821 × 10^7
Engineering notation 2.0804821 × 10^6

Prime Factorization of 20804821

Prime Factorization 17 × 193 × 17 × 373

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1223813
Product of the distinct prime numbers

The prime factorization of 20804821 is 17 × 193 × 17 × 373. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20804821)

Multiplication

n×y
n×2 41609642
n×3 62414463
n×4 83219284
n×5 104024105

Division

n÷y
n÷2 10402410.5
n÷3 6934940.3333333
n÷3 5201205.25
n÷5 4160964.2

Exponentiation

ny
n2 432840576842041
n3 9.0051707227354E+21
n4 1.8735096496095E+29
n5 3.8978032901899E+36

Nth Root

y√n
2√n 4561.2302068631
3√n 275.03501923183
4√n 67.536880345949
5√n 29.082570979518

Divisors of 20804821

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20804820
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20804821 can be divided by 12 positive divisors. The sum of these divisors (counting 20804821) is 1, the average is 0.083333333333333.

Base conversion 20804821

Base System Value
2 Binary 1001111010111010011010101
3 Ternary 1110010222211221
4 Quaternary 1033113103111
5 Quinary 20311223241
6 Senary 2021530341
8 Octal 117272325
10 Decimal 20804821
12 Duodecimal 6b739b1
16 Hexadecimal 13d74d5
20 Vigesimal 6a0c11
36 Base36 cdx3p

Cryptographic Hash Functions

md5 d957927fdf59ad92766aa827c0cf81d7
sha1 a4c33661380ce54f7b377fac61dfe02a247d14b8
sha256 e5b8f24df6fa5efa9ea026aa10b91caff373e9422f001a290523231367fa758e
sha512 0c9a840608fb24ae63473f43c5294714aa5a8613d1438f3aeb0a09960fa1122978898261e64365b75dc48a06e44b73bf1317c0e7346c38f6b2d02c655ae96585
ripemd-160 2420f25823895a2921dab68831b7529bb5a69f5e

20804821 as geometric shapes

Circle

Radius = n
Diameter 41609642
Circumference 130720545.6257
Area 1.3598087763825E+15

Sphere

Radius = n
Volume 3.7720770915823E+22
Surface area 5.4392351055301E+15
Circumference 130720545.6257

Square

Length = n
Perimeter 83219284
Area 432840576842041
Diagonal 29422460.020945

Cube

Length = n
Surface area 2597043461052246
Volume 9.0051707227354E+21
Space diagonal 36035007.014376

Equilateral Triangle

Length = n
Perimeter 62414463
Area 1.8742546766696E+14
Altitude 18017503.507188

Triangular Pyramid

Length = n
Surface area 1.8742546766696E+14
Volume 1.0612695472981E+21
Height 9807486.6736482