20804581 (number)

20804581 is an odd 8-digits composite number following 20804580 and preceding 20804582. In scientific notation, it is written as 2.0804581 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 17057040 positive integers (up to 20804581) that are relatively prime to 20804581.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0804581 × 10^7
Engineering notation 2.0804581 × 10^6

Prime Factorization of 20804581

Prime Factorization 161 × 129221

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20804581
Product of the distinct prime numbers

The prime factorization of 20804581 is 161 × 129221. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20804581)

Multiplication

n×y
n×2 41609162
n×3 62413743
n×4 83218324
n×5 104022905

Division

n÷y
n÷2 10402290.5
n÷3 6934860.3333333
n÷3 5201145.25
n÷5 4160916.2

Exponentiation

ny
n2 432830590585561
n3 9.0048590811151E+21
n4 1.8734232014665E+29
n5 3.8975784742188E+36

Nth Root

y√n
2√n 4561.2038980953
3√n 275.03396164589
4√n 67.536685572327
5√n 29.082503881135

Divisors of 20804581

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 -20804580
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 20804581 can be divided by 4 positive divisors. The sum of these divisors (counting 20804581) is 1, the average is 0.25.

Base conversion 20804581

Base System Value
2 Binary 1001111010111001111100101
3 Ternary 1110010222112001
4 Quaternary 1033113033211
5 Quinary 20311221311
6 Senary 2021525301
8 Octal 117271745
10 Decimal 20804581
12 Duodecimal 6b73831
16 Hexadecimal 13d73e5
20 Vigesimal 6a0b91
36 Base36 cdwx1

Cryptographic Hash Functions

md5 48a0281433f527b0d35c987edfd2e971
sha1 aa9ddeae5c2d7870b1591fcd0a1e71a8b9ebf072
sha256 b3fd112159e680395bf2aa8c80e8f4fd060bcfb62eaa7b1f4e0a0a7f374299a4
sha512 d555baa81a0e1b53da54ec5b6106f214c14ac5ee0a32e2e7bba3a7eeba7a4c1082501cce57795e5fd5e5329e8393a154356a128fe8b2c8b8ab4ab01415ddc3db
ripemd-160 28b3161c6a4abeb22749bd344eb23a4129d55050

20804581 as geometric shapes

Circle

Radius = n
Diameter 41609162
Circumference 130719037.66123
Area 1.3597774036325E+15

Sphere

Radius = n
Volume 3.7719465514457E+22
Surface area 5.4391096145301E+15
Circumference 130719037.66123

Square

Length = n
Perimeter 83218324
Area 432830590585561
Diagonal 29422120.60969

Cube

Length = n
Surface area 2596983543513366
Volume 9.0048590811151E+21
Space diagonal 36034591.322182

Equilateral Triangle

Length = n
Perimeter 62413743
Area 1.8742114349106E+14
Altitude 18017295.661091

Triangular Pyramid

Length = n
Surface area 1.8742114349106E+14
Volume 1.061232819981E+21
Height 9807373.5365632