20778894 (number)

20778894 is an even 8-digits composite number following 20778893 and preceding 20778895. In scientific notation, it is written as 2.0778894 × 10^7. The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors. There are 6561648 positive integers (up to 20778894) that are relatively prime to 20778894.

Interesting facts

Basic properties

Name

Name twenty million seven hundred seventy-eight thousand eight hundred ninety-four

Notation

Scientific notation 2.0778894 × 10^7
Engineering notation 2.0778894 × 10^6

Prime Factorization of 20778894

Prime Factorization 2 × 3 × 19 × 3 × 60757

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 6926298
Product of the distinct prime numbers

The prime factorization of 20778894 is 2 × 3 × 19 × 3 × 60757. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20778894)

Multiplication

n×y
n×2 41557788
n×3 62336682
n×4 83115576
n×5 103894470

Division

n÷y
n÷2 10389447
n÷3 6926298
n÷3 5194723.5
n÷5 4155778.8

Exponentiation

ny
n2 431762435863236
n3 8.971545887984E+21
n4 1.8641880102255E+29
n5 3.8735765060548E+36

Nth Root

y√n
2√n 4558.3872147943
3√n 274.92072205126
4√n 67.515829364633
5√n 29.075318814596

Divisors of 20778894

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20778893
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20778894 can be divided by 24 positive divisors. The sum of these divisors (counting 20778894) is 1, the average is 0.041666666666667.

Base conversion 20778894

Base System Value
2 Binary 1001111010000111110001110
3 Ternary 1110002200021200
4 Quaternary 1033100332032
5 Quinary 20304411034
6 Senary 2021210330
8 Octal 117207616
10 Decimal 20778894
12 Duodecimal 6b609a6
16 Hexadecimal 13d0f8e
20 Vigesimal 69h74e
36 Base36 cdd3i

Cryptographic Hash Functions

md5 2f3188271bf66895603a2b06abf45aac
sha1 be500a1db45b4ea7fc68f06b2cf40c41f27472e1
sha256 e74c818536024efb9142039e77e73f7339450c36d30fe212e860ea89ea917137
sha512 fe131e8bab2156addd9dddc808e8f7baf70038246458254d8e615c2c2184313f12ecb694237cc6bdfbbb2934e7d8316f04007cdc4edd2f538e07ba6db618d7b3
ripemd-160 f9c8d4cdc2f19f6958deb05c6b80aa15aa4ba1a0

20778894 as geometric shapes

Circle

Radius = n
Diameter 41557788
Circumference 130557641.48024
Area 1.356421696604E+15

Sphere

Radius = n
Volume 3.7579923537379E+22
Surface area 5.4256867864159E+15
Circumference 130557641.48024

Square

Length = n
Perimeter 83115576
Area 431762435863236
Diagonal 29385793.705913

Cube

Length = n
Surface area 2590574615179416
Volume 8.971545887984E+21
Space diagonal 35990100.133088

Equilateral Triangle

Length = n
Perimeter 62336682
Area 1.8695861892871E+14
Altitude 17995050.066544

Triangular Pyramid

Length = n
Surface area 1.8695861892871E+14
Volume 1.05730682252E+21
Height 9795264.5686376