20479985 (number)

20479985 is an odd 8-digits composite number following 20479984 and preceding 20479986. In scientific notation, it is written as 2.0479985 × 10^7. The sum of its digits is 44. It has a total of 4 prime factors and 12 positive divisors. There are 15419136 positive integers (up to 20479985) that are relatively prime to 20479985.

Interesting facts

Basic properties

Name

Name twenty million four hundred seventy-nine thousand nine hundred eighty-five

Notation

Scientific notation 2.0479985 × 10^7
Engineering notation 2.0479985 × 10^6

Prime Factorization of 20479985

Prime Factorization 5 × 17 × 17 × 14173

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1204705
Product of the distinct prime numbers

The prime factorization of 20479985 is 5 × 17 × 17 × 14173. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 1, 71, 77, 269, 781, 2347, 7777, 53026, 43016, 402632, 389909, 3638967, 6835518, 52578057, 9567408, 816872058, 401229251, 4862323209, 9923411349

Basic calculations (n = 20479985)

Multiplication

n×y
n×2 40959970
n×3 61439955
n×4 81919940
n×5 102399925

Division

n÷y
n÷2 10239992.5
n÷3 6826661.6666667
n÷3 5119996.25
n÷5 4095997

Exponentiation

ny
n2 419429785600225
n3 8.5899157176458E+21
n4 1.7592134504865E+29
n5 3.6028665077762E+36

Nth Root

y√n
2√n 4525.4817423121
3√n 273.59608467232
4√n 67.271700902475
5√n 28.991182300351

Divisors of 20479985

1, 5, 17, 85, 289, 1445, 14173, 70865, 240941, 1204705, 4095997, 20479985

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20479984
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20479985 can be divided by 12 positive divisors. The sum of these divisors (counting 20479985) is 1, the average is 0.083333333333333.

Base conversion 20479985

Base System Value
2 Binary 1001110000111111111110001
3 Ternary 1102112111020222
4 Quaternary 1032013333301
5 Quinary 20220324420
6 Senary 2010542425
8 Octal 116077761
10 Decimal 20479985
12 Duodecimal 6a37a15
16 Hexadecimal 1387ff1
20 Vigesimal 67jjj5
36 Base36 c6ygh

Cryptographic Hash Functions

md5 98d7e21a30ea3a61f9c2775782653c83
sha1 1c58ed913b1f30cbb0077bb7393a1970ba4db3ac
sha256 bbbdee3b4c7ee55be49a08ae8da1d1cde1ca785338c6d4c6dc4c6a67c325c56f
sha512 9f5da2fd33bef39dbf9542d8d5591b17ad7cd5d74cf6934cd085c47993106b3744d10aecd0998a1d3b99236d2d224fb71a5e72a465a05b739c4b79524d1f8e94
ripemd-160 2c03646c32692a1c5898b6bcd97bf9c3b6470912

20479985 as geometric shapes

Circle

Radius = n
Diameter 40959970
Circumference 128679540.84326
Area 1.3176775331384E+15

Sphere

Radius = n
Volume 3.5981354818015E+22
Surface area 5.2707101325536E+15
Circumference 128679540.84326

Square

Length = n
Perimeter 81919940
Area 419429785600225
Diagonal 28963072.544198

Cube

Length = n
Surface area 2516578713601350
Volume 8.5899157176458E+21
Space diagonal 35472374.558248

Equilateral Triangle

Length = n
Perimeter 61439955
Area 1.8161842471683E+14
Altitude 17736187.279124

Triangular Pyramid

Length = n
Surface area 1.8161842471683E+14
Volume 1.012331275628E+21
Height 9654357.5147325