20804945 (number)

20804945 is an odd 8-digits composite number following 20804944 and preceding 20804946. In scientific notation, it is written as 2.0804945 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 14266224 positive integers (up to 20804945) that are relatively prime to 20804945.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0804945 × 10^7
Engineering notation 2.0804945 × 10^6

Prime Factorization of 20804945

Prime Factorization 35 × 594427

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20804945
Product of the distinct prime numbers

The prime factorization of 20804945 is 35 × 594427. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20804945)

Multiplication

n×y
n×2 41609890
n×3 62414835
n×4 83219780
n×5 104024725

Division

n÷y
n÷2 10402472.5
n÷3 6934981.6666667
n÷3 5201236.25
n÷5 4160989

Exponentiation

ny
n2 432845736453025
n3 9.0053317403897E+21
n4 1.8735543156556E+29
n5 3.8979194491728E+36

Nth Root

y√n
2√n 4561.2437996669
3√n 275.03556564804
4√n 67.536980978327
5√n 29.082605646773

Divisors of 20804945

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 -20804944
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 20804945 can be divided by 4 positive divisors. The sum of these divisors (counting 20804945) is 1, the average is 0.25.

Base conversion 20804945

Base System Value
2 Binary 1001111010111010101010001
3 Ternary 1110011000000112
4 Quaternary 1033113111101
5 Quinary 20311224240
6 Senary 2021531105
8 Octal 117272521
10 Decimal 20804945
12 Duodecimal 6b73a95
16 Hexadecimal 13d7551
20 Vigesimal 6a0c75
36 Base36 cdx75

Cryptographic Hash Functions

md5 4fcddb4f03065072b6a930a13a32e631
sha1 dab32149a10d1c2bbe18673d4dd9983078ecb361
sha256 0859abaa484b03a380256c7fd7f5478a4ba4ca033b18fc58c52c845ec5873619
sha512 aa975f256b0b54286f5d648e5295265774de74c90c9b820837e0173c7bdb2f85782208916cb0ec64d30ba3962ffb2749f11ff5be4bb9fa6915daa748890f637b
ripemd-160 e96723050ff7844b36d38869511ec6df54b382d9

20804945 as geometric shapes

Circle

Radius = n
Diameter 41609890
Circumference 130721324.74068
Area 1.3598249857785E+15

Sphere

Radius = n
Volume 3.7721445384996E+22
Surface area 5.4392999431139E+15
Circumference 130721324.74068

Square

Length = n
Perimeter 83219780
Area 432845736453025
Diagonal 29422635.383426

Cube

Length = n
Surface area 2597074418718150
Volume 9.0053317403897E+21
Space diagonal 36035221.788676

Equilateral Triangle

Length = n
Perimeter 62414835
Area 1.8742770184405E+14
Altitude 18017610.894338

Triangular Pyramid

Length = n
Surface area 1.8742770184405E+14
Volume 1.0612885234107E+21
Height 9807545.1278088