20642765 (number)

20642765 is an odd 8-digits composite number following 20642764 and preceding 20642766. In scientific notation, it is written as 2.0642765 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 13857600 positive integers (up to 20642765) that are relatively prime to 20642765.

Interesting facts

Basic properties

Name

Name twenty million six hundred forty-two thousand seven hundred sixty-five

Notation

Scientific notation 2.0642765 × 10^7
Engineering notation 2.0642765 × 10^6

Prime Factorization of 20642765

Prime Factorization 5 × 11 × 13 × 28871

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20642765
Product of the distinct prime numbers

The prime factorization of 20642765 is 5 × 11 × 13 × 28871. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20642765)

Multiplication

n×y
n×2 41285530
n×3 61928295
n×4 82571060
n×5 103213825

Division

n÷y
n÷2 10321382.5
n÷3 6880921.6666667
n÷3 5160691.25
n÷5 4128553

Exponentiation

ny
n2 426123746845225
n3 8.7963723670455E+21
n4 1.8158144762541E+29
n5 3.7483431516912E+36

Nth Root

y√n
2√n 4543.430972294
3√n 274.31904247122
4√n 67.404977355489
5√n 29.03712229602

Divisors of 20642765

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 -20642764
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 20642765 can be divided by 16 positive divisors. The sum of these divisors (counting 20642765) is 1, the average is 0.0625.

Base conversion 20642765

Base System Value
2 Binary 1001110101111101111001101
3 Ternary 1102211202112212
4 Quaternary 1032233233031
5 Quinary 20241032030
6 Senary 2014240205
8 Octal 116575715
10 Decimal 20642765
12 Duodecimal 6ab6065
16 Hexadecimal 13afbcd
20 Vigesimal 6906i5
36 Base36 cag25

Cryptographic Hash Functions

md5 1cd5baabb1f8f0813c1571b15096690b
sha1 32f8ca4677dbb988cda432bf0f4880a1d800f447
sha256 d65fc5da5fc6a4cfc8a51b1b76476da243dbd4c15fd6a5d3466bbb3ded05f469
sha512 3192dca62ef4d72484a55b0684447ab45feed865595f93c73acb5e904df85e1c46af4dffe5e898ef87b04288f6429fa3fd1902f72c4abb425a93d05f64d39e16
ripemd-160 86eab16372a9e4aa3c5537f265bc55d656afa406

20642765 as geometric shapes

Circle

Radius = n
Diameter 41285530
Circumference 129702317.74756
Area 1.3387072326091E+15

Sphere

Radius = n
Volume 3.6846158408734E+22
Surface area 5.3548289304365E+15
Circumference 129702317.74756

Square

Length = n
Perimeter 82571060
Area 426123746845225
Diagonal 29193278.227881

Cube

Length = n
Surface area 2556742481071350
Volume 8.7963723670455E+21
Space diagonal 35754317.788705

Equilateral Triangle

Length = n
Perimeter 61928295
Area 1.8451699496189E+14
Altitude 17877158.894352

Triangular Pyramid

Length = n
Surface area 1.8451699496189E+14
Volume 1.0366624250966E+21
Height 9731092.7426269