20506779 (number)

20506779 is an odd 8-digits composite number following 20506778 and preceding 20506780. In scientific notation, it is written as 2.0506779 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 18 positive divisors. There are 13224600 positive integers (up to 20506779) that are relatively prime to 20506779.

Interesting facts

Basic properties

Name

Name twenty million five hundred six thousand seven hundred seventy-nine

Notation

Scientific notation 2.0506779 × 10^7
Engineering notation 2.0506779 × 10^6

Prime Factorization of 20506779

Prime Factorization 3 × 3 × 31 × 31 × 2371

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 220503
Product of the distinct prime numbers

The prime factorization of 20506779 is 3 × 3 × 31 × 31 × 2371. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 10, 29, 65, 11, 379, 6473, 6130, 14161, 37295, 666475, 753337, 6109514, 906721, 6633682, 59986337, 271750004, 974203819, 2202234246, 6333474319

Basic calculations (n = 20506779)

Multiplication

n×y
n×2 41013558
n×3 61520337
n×4 82027116
n×5 102533895

Division

n÷y
n÷2 10253389.5
n÷3 6835593
n÷3 5126694.75
n÷5 4101355.8

Exponentiation

ny
n2 420527984954841
n3 8.6236744507842E+21
n4 1.7684378613018E+29
n5 3.6264964396948E+36

Nth Root

y√n
2√n 4528.4411225056
3√n 273.71534808775
4√n 67.293693036611
5√n 28.998764176482

Divisors of 20506779

1, 3, 9, 31, 93, 279, 961, 2371, 2883, 7113, 8649, 21339, 73501, 220503, 661509, 2278531, 6835593, 20506779

18 divisors

τ Total Divisors 18
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20506778
Sum of the proper positive divisors of n
A Arithmetic Mean 0.055555555555556
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 18
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20506779 can be divided by 18 positive divisors. The sum of these divisors (counting 20506779) is 1, the average is 0.055555555555556.

Base conversion 20506779

Base System Value
2 Binary 1001110001110100010011011
3 Ternary 1102120212000100
4 Quaternary 1032032202123
5 Quinary 20222204104
6 Senary 2011310443
8 Octal 116164233
10 Decimal 20506779
12 Duodecimal 6a4b423
16 Hexadecimal 138e89b
20 Vigesimal 6836ij
36 Base36 c7j4r

Cryptographic Hash Functions

md5 7c873fae9ff4cecbef3415fdc3736c73
sha1 ce332b2d68ea0a781fc57f04371a6d1309f4840b
sha256 1109f46878317ea68dc64894d79d420bd6c7340f5f828e1fcabe780efd41820e
sha512 58544b77c087367d14c2893b554f4e19eeb8c2f12819f4f202db28c73ff73e9dac2ea8c59bcc9df87ece4b9ef868ebaec983208320546dedfb37e3983ed750da
ripemd-160 7c109f1fcf91ee20f6bc24f405b679d51927db14

20506779 as geometric shapes

Circle

Radius = n
Diameter 41013558
Circumference 128847892.51038
Area 1.321127628163E+15

Sphere

Radius = n
Volume 3.6122763068712E+22
Surface area 5.2845105126522E+15
Circumference 128847892.51038

Square

Length = n
Perimeter 82027116
Area 420527984954841
Diagonal 29000964.982388

Cube

Length = n
Surface area 2523167909729046
Volume 8.6236744507842E+21
Space diagonal 35518783.127586

Equilateral Triangle

Length = n
Perimeter 61520337
Area 1.8209395898659E+14
Altitude 17759391.563793

Triangular Pyramid

Length = n
Surface area 1.8209395898659E+14
Volume 1.0163097804825E+21
Height 9666988.3274626