20804749 (number)

20804749 is an odd 8-digits composite number following 20804748 and preceding 20804750. In scientific notation, it is written as 2.0804749 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 17832636 positive integers (up to 20804749) that are relatively prime to 20804749.

Interesting facts

Basic properties

Name

Name twenty million eight hundred four thousand seven hundred forty-nine

Notation

Scientific notation 2.0804749 × 10^7
Engineering notation 2.0804749 × 10^6

Prime Factorization of 20804749

Prime Factorization 7 × 2972107

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20804749
Product of the distinct prime numbers

The prime factorization of 20804749 is 7 × 2972107. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20804749)

Multiplication

n×y
n×2 41609498
n×3 62414247
n×4 83218996
n×5 104023745

Division

n÷y
n÷2 10402374.5
n÷3 6934916.3333333
n÷3 5201187.25
n÷5 4160949.8

Exponentiation

ny
n2 432837580953001
n3 9.0050772294944E+21
n4 1.8734837148525E+29
n5 3.8977358443093E+36

Nth Root

y√n
2√n 4561.2223142487
3√n 275.0347019569
4√n 67.536821914039
5√n 29.082550850068

Divisors of 20804749

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 -20804748
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 20804749 can be divided by 4 positive divisors. The sum of these divisors (counting 20804749) is 1, the average is 0.25.

Base conversion 20804749

Base System Value
2 Binary 1001111010111010010001101
3 Ternary 1110010222202021
4 Quaternary 1033113102031
5 Quinary 20311222444
6 Senary 2021530141
8 Octal 117272215
10 Decimal 20804749
12 Duodecimal 6b73951
16 Hexadecimal 13d748d
20 Vigesimal 6a0bh9
36 Base36 cdx1p

Cryptographic Hash Functions

md5 e4e207d9b9e8709faafd8e691bdcee29
sha1 61b1496db0d0a247d87292d4e74280befdee42da
sha256 eb9d895c67593de94a0d6968249a39c926548ee8d5a3bda5ba7893e4c75c4501
sha512 7a5070049f679a7b7cbad12d21b69aab7555f6fc9ec3b7cba42e65296152780715e4a70bc2e397bd4ad5991f54f4736571c357a256fe89bc5f3fa6839d5dcbec
ripemd-160 f8fd7b1b23d8d8df78393823030caf9d79ebebcf

20804749 as geometric shapes

Circle

Radius = n
Diameter 41609498
Circumference 130720093.23636
Area 1.3597993645195E+15

Sphere

Radius = n
Volume 3.7720379292251E+22
Surface area 5.4391974580781E+15
Circumference 130720093.23636

Square

Length = n
Perimeter 83218996
Area 432837580953001
Diagonal 29422358.197568

Cube

Length = n
Surface area 2597025485718006
Volume 9.0050772294944E+21
Space diagonal 36034882.306718

Equilateral Triangle

Length = n
Perimeter 62414247
Area 1.8742417040895E+14
Altitude 18017441.153359

Triangular Pyramid

Length = n
Surface area 1.8742417040895E+14
Volume 1.061258529014E+21
Height 9807452.7325227