20780904 (number)

20780904 is an even 8-digits composite number following 20780903 and preceding 20780905. In scientific notation, it is written as 2.0780904 × 10^7. The sum of its digits is 30. It has a total of 5 prime factors and 16 positive divisors. There are 6926960 positive integers (up to 20780904) that are relatively prime to 20780904.

Interesting facts

Basic properties

Name

Name twenty million seven hundred eighty thousand nine hundred four

Notation

Scientific notation 2.0780904 × 10^7
Engineering notation 2.0780904 × 10^6

Prime Factorization of 20780904

Prime Factorization 2 × 2 × 2 × 3 × 865871

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5195226
Product of the distinct prime numbers

The prime factorization of 20780904 is 2 × 2 × 2 × 3 × 865871. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20780904)

Multiplication

n×y
n×2 41561808
n×3 62342712
n×4 83123616
n×5 103904520

Division

n÷y
n÷2 10390452
n÷3 6926968
n÷3 5195226
n÷5 4156180.8

Exponentiation

ny
n2 431845971057216
n3 8.9741496673268E+21
n4 1.8649094271835E+29
n5 3.8754503774995E+36

Nth Root

y√n
2√n 4558.6076821767
3√n 274.92958637988
4√n 67.517462053728
5√n 29.075881300065

Divisors of 20780904

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20780903
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20780904 can be divided by 16 positive divisors. The sum of these divisors (counting 20780904) is 1, the average is 0.0625.

Base conversion 20780904

Base System Value
2 Binary 1001111010001011101101000
3 Ternary 1110002210001010
4 Quaternary 1033101131220
5 Quinary 20304442104
6 Senary 2021223520
8 Octal 117213550
10 Decimal 20780904
12 Duodecimal 6b61ba0
16 Hexadecimal 13d1768
20 Vigesimal 69hc54
36 Base36 cdenc

Cryptographic Hash Functions

md5 94e45ada59e312ee82ce6e96c892daa1
sha1 2b0e84217393c7469d024f4930c97d422db76445
sha256 c02105a0e980975a654eebf04c37dddb9418d6074a9593694de17f14cf92ff8c
sha512 64048f48f5bd211185e2c92ef0aa758d6e4a9611a2a7d4bc9d76578d4b287d5f8b5eb5fd1d7e316295bf5b37acb3292c9bc583e0a01a970dd105d085edc4f245
ripemd-160 6f71f728fca7260daadf19ac1e8780e4b24021d3

20780904 as geometric shapes

Circle

Radius = n
Diameter 41561808
Circumference 130570270.68271
Area 1.3566841301557E+15

Sphere

Radius = n
Volume 3.7590830222785E+22
Surface area 5.4267365206228E+15
Circumference 130570270.68271

Square

Length = n
Perimeter 83123616
Area 431845971057216
Diagonal 29388636.275173

Cube

Length = n
Surface area 2591075826343296
Volume 8.9741496673268E+21
Space diagonal 35993581.555211

Equilateral Triangle

Length = n
Perimeter 62342712
Area 1.8699479072875E+14
Altitude 17996790.777606

Triangular Pyramid

Length = n
Surface area 1.8699479072875E+14
Volume 1.0576136808583E+21
Height 9796212.0917244