20393904 (number)

20393904 is an even 8-digits composite number following 20393903 and preceding 20393905. In scientific notation, it is written as 2.0393904 × 10^7. The sum of its digits is 30. It has a total of 7 prime factors and 40 positive divisors. There are 6776128 positive integers (up to 20393904) that are relatively prime to 20393904.

Interesting facts

Basic properties

Name

Name twenty million three hundred ninety-three thousand nine hundred four

Notation

Scientific notation 2.0393904 × 10^7
Engineering notation 2.0393904 × 10^6

Prime Factorization of 20393904

Prime Factorization 2 × 2 × 2 × 2 × 3 × 479 × 887

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 2549238
Product of the distinct prime numbers

The prime factorization of 20393904 is 2 × 2 × 2 × 2 × 3 × 479 × 887. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20393904)

Multiplication

n×y
n×2 40787808
n×3 61181712
n×4 81575616
n×5 101969520

Division

n÷y
n÷2 10196952
n÷3 6797968
n÷3 5098476
n÷5 4078780.8

Exponentiation

ny
n2 415911320361216
n3 8.4820555399599E+21
n4 1.7298222640461E+29
n5 3.5277829190019E+36

Nth Root

y√n
2√n 4515.9610272898
3√n 273.21222210655
4√n 67.200900494634
5√n 28.966770208852

Divisors of 20393904

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20393903
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20393904 can be divided by 40 positive divisors. The sum of these divisors (counting 20393904) is 1, the average is 0.025.

Base conversion 20393904

Base System Value
2 Binary 1001101110010111110110000
3 Ternary 1102101010011210
4 Quaternary 1031302332300
5 Quinary 20210101104
6 Senary 2005040120
8 Octal 115627660
10 Decimal 20393904
12 Duodecimal 69b6040
16 Hexadecimal 1372fb0
20 Vigesimal 6794f4
36 Base36 c541c

Cryptographic Hash Functions

md5 349510e4480f551141f2982757d22760
sha1 15f475fafefc58f41cfb14cf8331aada7eac40ab
sha256 9e4cb371089be6f492aa24c85c8d082f5c2c744f0683861060cae7872a1067d9
sha512 9b930e86063a196d40959e515a0fd451aad8e4cec5096b080d6a6fe703f4c01765817658d8bdf3f532b5c1f11758f3cf04bf43d24182ad537cfccffbb9a2c0d1
ripemd-160 3ce0aab8f60ab75dd8ffd3794d0a13ab3397329a

20393904 as geometric shapes

Circle

Radius = n
Diameter 40787808
Circumference 128138677.96883
Area 1.3066239485916E+15

Sphere

Radius = n
Volume 3.5529551162238E+22
Surface area 5.2264957943665E+15
Circumference 128138677.96883

Square

Length = n
Perimeter 81575616
Area 415911320361216
Diagonal 28841335.626535

Cube

Length = n
Surface area 2495467922167296
Volume 8.4820555399599E+21
Space diagonal 35323277.892682

Equilateral Triangle

Length = n
Perimeter 61181712
Area 1.8009488457717E+14
Altitude 17661638.946341

Triangular Pyramid

Length = n
Surface area 1.8009488457717E+14
Volume 9.9961983178443E+20
Height 9613778.5421783