20615 (number)

20615 is an odd 5-digits composite number following 20614 and preceding 20616. In scientific notation, it is written as 2.0615 × 10^4. The sum of its digits is 14. It has a total of 4 prime factors and 16 positive divisors. There are 12960 positive integers (up to 20615) that are relatively prime to 20615.

Interesting facts

Basic properties

Name

Name twenty thousand six hundred fifteen

Notation

Scientific notation 2.0615 × 10^4
Engineering notation 2.0615 × 10^3

Prime Factorization of 20615

Prime Factorization 7 × 5 × 19 × 31

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20615
Product of the distinct prime numbers

The prime factorization of 20615 is 7 × 5 × 19 × 31. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 3, 79, 31, 116, 872, 3990, 9400, 78553, 1996, 557708, 146879, 3421515, 3106004, 12877010, 78294034, 105548989, 926801420, 532535486, 5496778975

Basic calculations (n = 20615)

Multiplication

n×y
n×2 41230
n×3 61845
n×4 82460
n×5 103075

Division

n÷y
n÷2 10307.5
n÷3 6871.6666666667
n÷3 5153.75
n÷5 4123

Exponentiation

ny
n2 424978225
n3 8760926108375
n4 180606491724150625
n5 3.7232028268934E+21

Nth Root

y√n
2√n 143.57924641117
3√n 27.419599878749
4√n 11.982455775473
5√n 7.2918322291384

Divisors of 20615

1, 5, 7, 19, 31, 35, 95, 133, 155, 217, 589, 665, 1085, 2945, 4123, 20615

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 -20614
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 20615 can be divided by 16 positive divisors. The sum of these divisors (counting 20615) is 1, the average is 0.0625.

Base conversion 20615

Base System Value
2 Binary 101000010000111
3 Ternary 1001021112
4 Quaternary 11002013
5 Quinary 1124430
6 Senary 235235
8 Octal 50207
10 Decimal 20615
12 Duodecimal bb1b
16 Hexadecimal 5087
20 Vigesimal 2baf
36 Base36 fwn

Cryptographic Hash Functions

md5 e41bbd4af5da30044b88dc9ab711c5b2
sha1 0b91bfe1b318fb2fc83a579e16424a3e2c0706e6
sha256 21e371845bbb8a3dbaca4da4f96a8238218e8620e4d8913e2636fce36248a1f5
sha512 0f7e00934a59abce0626c6d78fba6d91dbf49850b3522f0130c8f25931ca71c459391085464b5fd1124745d2e4e8637bc44a79be1eb8658ce856b25657149e9e
ripemd-160 a984922b705fb70df9fa11e89c84efad17c43951

20615 as geometric shapes

Circle

Radius = n
Diameter 41230
Circumference 129527.86510751
Area 1335108469.5956

Sphere

Radius = n
Volume 36697681467619
Surface area 5340433878.3825
Circumference 129527.86510751

Square

Length = n
Perimeter 82460
Area 424978225
Diagonal 29154.012588321

Cube

Length = n
Surface area 2549869350
Volume 8760926108375
Space diagonal 35706.227398032

Equilateral Triangle

Length = n
Perimeter 61845
Area 184020969.45261
Altitude 17853.113699016

Triangular Pyramid

Length = n
Surface area 184020969.45261
Volume 1032485043451
Height 9718.0041961071