20479987 (number)

20479987 is an odd 8-digits composite number following 20479986 and preceding 20479988. In scientific notation, it is written as 2.0479987 × 10^7. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 18618160 positive integers (up to 20479987) that are relatively prime to 20479987.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0479987 × 10^7
Engineering notation 2.0479987 × 10^6

Prime Factorization of 20479987

Prime Factorization 11 × 1861817

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20479987
Product of the distinct prime numbers

The prime factorization of 20479987 is 11 × 1861817. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20479987)

Multiplication

n×y
n×2 40959974
n×3 61439961
n×4 81919948
n×5 102399935

Division

n÷y
n÷2 10239993.5
n÷3 6826662.3333333
n÷3 5119996.75
n÷5 4095997.4

Exponentiation

ny
n2 419429867520169
n3 8.5899182342248E+21
n4 1.7592141376799E+29
n5 3.60286826699E+36

Nth Root

y√n
2√n 4525.481963283
3√n 273.59609357845
4√n 67.271702544852
5√n 28.991182866585

Divisors of 20479987

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 -20479986
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 20479987 can be divided by 4 positive divisors. The sum of these divisors (counting 20479987) is 1, the average is 0.25.

Base conversion 20479987

Base System Value
2 Binary 1001110000111111111110011
3 Ternary 1102112111021001
4 Quaternary 1032013333303
5 Quinary 20220324422
6 Senary 2010542431
8 Octal 116077763
10 Decimal 20479987
12 Duodecimal 6a37a17
16 Hexadecimal 1387ff3
20 Vigesimal 67jjj7
36 Base36 c6ygj

Cryptographic Hash Functions

md5 95b2ed061258ee63db1aba3e6660f811
sha1 54047afdc087e4fcfae512bf4b81ec6b63841d20
sha256 6c60b25916088cf64e29c3377c59d1a3a33c4a46923d81107a0daa4f3fae1cb3
sha512 9961f5289e9944dadf64167e1b4d78d0227d1e4b8dea99702c536e3d9b074a554d10098f205c654183536961966e5016f5779f47a11ffed143a943a0023b5567
ripemd-160 d2dfe79c5004dff54e22bc9a144f06de618088e1

20479987 as geometric shapes

Circle

Radius = n
Diameter 40959974
Circumference 128679553.40963
Area 1.3176777904975E+15

Sphere

Radius = n
Volume 3.5981365359437E+22
Surface area 5.27071116199E+15
Circumference 128679553.40963

Square

Length = n
Perimeter 81919948
Area 419429867520169
Diagonal 28963075.372625

Cube

Length = n
Surface area 2516579205121014
Volume 8.5899182342248E+21
Space diagonal 35472378.02235

Equilateral Triangle

Length = n
Perimeter 61439961
Area 1.816184601892E+14
Altitude 17736189.011175

Triangular Pyramid

Length = n
Surface area 1.816184601892E+14
Volume 1.0123315722097E+21
Height 9654358.4575416