20502785 (number)

20502785 is an odd 8-digits composite number following 20502784 and preceding 20502786. In scientific notation, it is written as 2.0502785 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 16092544 positive integers (up to 20502785) that are relatively prime to 20502785.

Interesting facts

Basic properties

Name

Name twenty million five hundred two thousand seven hundred eighty-five

Notation

Scientific notation 2.0502785 × 10^7
Engineering notation 2.0502785 × 10^6

Prime Factorization of 20502785

Prime Factorization 53 × 5 × 77369

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20502785
Product of the distinct prime numbers

The prime factorization of 20502785 is 53 × 5 × 77369. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20502785)

Multiplication

n×y
n×2 41005570
n×3 61508355
n×4 82011140
n×5 102513925

Division

n÷y
n÷2 10251392.5
n÷3 6834261.6666667
n÷3 5125696.25
n÷5 4100557

Exponentiation

ny
n2 420364192756225
n3 8.6186366657794E+21
n4 1.7670605455159E+29
n5 3.6229662446696E+36

Nth Root

y√n
2√n 4528.000110424
3√n 273.69757688989
4√n 67.290416185546
5√n 28.997634500405

Divisors of 20502785

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20502784
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20502785 can be divided by 8 positive divisors. The sum of these divisors (counting 20502785) is 1, the average is 0.125.

Base conversion 20502785

Base System Value
2 Binary 1001110001101100100000001
3 Ternary 1102120122112102
4 Quaternary 1032031210001
5 Quinary 20222042120
6 Senary 2011240145
8 Octal 116154401
10 Decimal 20502785
12 Duodecimal 6a49055
16 Hexadecimal 138d901
20 Vigesimal 682gj5
36 Base36 c7g1t

Cryptographic Hash Functions

md5 470eebd8bd08fa44f1fd027c9120a2bd
sha1 f958dbce5835dd34ab3921d2efa4a882738895e2
sha256 2bb6a002268a9417aa46ebbdbd587e37fef642dc866e09b9b96f0b909e3adec8
sha512 df32daa377f4307c86ade1d0447dde00beb19a8eb7ac341aa8ddd4b547ab641b163fed7c799fb655677ffd64ba95c893938a331552a59e4d35b8d3fb52b89799
ripemd-160 75660e7fcce3211999c5dfc4ef936d1f506857cb

20502785 as geometric shapes

Circle

Radius = n
Diameter 41005570
Circumference 128822797.46826
Area 1.3206130597952E+15

Sphere

Radius = n
Volume 3.610166084423E+22
Surface area 5.2824522391806E+15
Circumference 128822797.46826

Square

Length = n
Perimeter 82011140
Area 420364192756225
Diagonal 28995316.61342

Cube

Length = n
Surface area 2522185156537350
Volume 8.6186366657794E+21
Space diagonal 35511865.316661

Equilateral Triangle

Length = n
Perimeter 61508355
Area 1.8202303488411E+14
Altitude 17755932.658331

Triangular Pyramid

Length = n
Surface area 1.8202303488411E+14
Volume 1.0157160718259E+21
Height 9665105.5378066