20394787 (number)

20394787 is an odd 8-digits composite number following 20394786 and preceding 20394788. In scientific notation, it is written as 2.0394787 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 17481240 positive integers (up to 20394787) that are relatively prime to 20394787.

Interesting facts

Basic properties

Name

Name twenty million three hundred ninety-four thousand seven hundred eighty-seven

Notation

Scientific notation 2.0394787 × 10^7
Engineering notation 2.0394787 × 10^6

Prime Factorization of 20394787

Prime Factorization 7 × 2913541

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20394787
Product of the distinct prime numbers

The prime factorization of 20394787 is 7 × 2913541. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20394787)

Multiplication

n×y
n×2 40789574
n×3 61184361
n×4 81579148
n×5 101973935

Division

n÷y
n÷2 10197393.5
n÷3 6798262.3333333
n÷3 5098696.75
n÷5 4078957.4

Exponentiation

ny
n2 415947336775369
n3 8.4831573367509E+21
n4 1.7301218697052E+29
n5 3.528546701668E+36

Nth Root

y√n
2√n 4516.0587905828
3√n 273.21616516245
4√n 67.201627886405
5√n 28.967021040817

Divisors of 20394787

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 -20394786
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 20394787 can be divided by 4 positive divisors. The sum of these divisors (counting 20394787) is 1, the average is 0.25.

Base conversion 20394787

Base System Value
2 Binary 1001101110011001100100011
3 Ternary 1102101011101111
4 Quaternary 1031303030203
5 Quinary 20210113122
6 Senary 2005044151
8 Octal 115631443
10 Decimal 20394787
12 Duodecimal 69b6657
16 Hexadecimal 1373323
20 Vigesimal 6796j7
36 Base36 c54pv

Cryptographic Hash Functions

md5 6567a7ad8f185e7fc5ba7fbe5246b895
sha1 0fe4ccd99996c6376a4c310786858f418109c294
sha256 3b5f282fe0294d4c4fdb13bd9a64df41e4b392f5256cd5de54ee3eaf80a9e59f
sha512 08e25beb1338a0f2348ccc72447ca0f1d2ea01d8091272075dc621b697238d9bcb13c03c6c1b68533dd538b6e77b2c1e858761315607507c385ba790f7373526
ripemd-160 43add45d158e9f01a054df4db3dfbb8b65b1ccd9

20394787 as geometric shapes

Circle

Radius = n
Diameter 40789574
Circumference 128144226.02146
Area 1.3067370974937E+15

Sphere

Radius = n
Volume 3.5534166357844E+22
Surface area 5.226948389975E+15
Circumference 128144226.02146

Square

Length = n
Perimeter 81579148
Area 415947336775369
Diagonal 28842584.37711

Cube

Length = n
Surface area 2495684020652214
Volume 8.4831573367509E+21
Space diagonal 35324807.293545

Equilateral Triangle

Length = n
Perimeter 61184361
Area 1.8011048014198E+14
Altitude 17662403.646773

Triangular Pyramid

Length = n
Surface area 1.8011048014198E+14
Volume 9.997496797815E+20
Height 9614194.7923702