20798821 (number)

20798821 is an odd 8-digits composite number following 20798820 and preceding 20798822. In scientific notation, it is written as 2.0798821 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 20789644 positive integers (up to 20798821) that are relatively prime to 20798821.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0798821 × 10^7
Engineering notation 2.0798821 × 10^6

Prime Factorization of 20798821

Prime Factorization 5099 × 4079

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20798821
Product of the distinct prime numbers

The prime factorization of 20798821 is 5099 × 4079. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20798821)

Multiplication

n×y
n×2 41597642
n×3 62396463
n×4 83195284
n×5 103994105

Division

n÷y
n÷2 10399410.5
n÷3 6932940.3333333
n÷3 5199705.25
n÷5 4159764.2

Exponentiation

ny
n2 432590954990041
n3 8.9973818390569E+21
n4 1.871349343392E+29
n5 3.8921860021677E+36

Nth Root

y√n
2√n 4560.5724421393
3√n 275.00857714295
4√n 67.532010499757
5√n 29.080893334142

Divisors of 20798821

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 -20798820
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 20798821 can be divided by 4 positive divisors. The sum of these divisors (counting 20798821) is 1, the average is 0.25.

Base conversion 20798821

Base System Value
2 Binary 1001111010101110101100101
3 Ternary 1110010200121201
4 Quaternary 1033111311211
5 Quinary 20311030241
6 Senary 2021442501
8 Octal 117256545
10 Decimal 20798821
12 Duodecimal 6b70431
16 Hexadecimal 13d5d65
20 Vigesimal 69jh11
36 Base36 cdsh1

Cryptographic Hash Functions

md5 ddb01beb94062f28af56b7f0156f8282
sha1 a1c382f695a840699137146840f0ce9ec551971c
sha256 e5946f972d9aea3bc73b590d1b7b00b1845d5aca32186774d1be990072adf4a5
sha512 d2ba8ca5439bb1ac709a13700f44eaddccf08ba1d739800cbd73a6f7790ea4b5b13eac8b927ea64d407409331900b098cbcbda2a73cfdaba991d5c52b768f07e
ripemd-160 61c76f9e025be7f2e52620e1c3bf8ee6141c9323

20798821 as geometric shapes

Circle

Radius = n
Diameter 41597642
Circumference 130682846.51386
Area 1.3590245662061E+15

Sphere

Radius = n
Volume 3.7688144916165E+22
Surface area 5.4360982648244E+15
Circumference 130682846.51386

Square

Length = n
Perimeter 83195284
Area 432590954990041
Diagonal 29413974.73957

Cube

Length = n
Surface area 2595545729940246
Volume 8.9973818390569E+21
Space diagonal 36024614.709531

Equilateral Triangle

Length = n
Perimeter 62396463
Area 1.8731737823437E+14
Altitude 18012307.354765

Triangular Pyramid

Length = n
Surface area 1.8731737823437E+14
Volume 1.0603516185536E+21
Height 9804658.2465234