20515 (number)

20515 is an odd 5-digits composite number following 20514 and preceding 20516. In scientific notation, it is written as 2.0515 × 10^4. The sum of its digits is 13. It has a total of 3 prime factors and 8 positive divisors. There are 14880 positive integers (up to 20515) that are relatively prime to 20515.

Interesting facts

Basic properties

Name

Name twenty thousand five hundred fifteen

Notation

Scientific notation 2.0515 × 10^4
Engineering notation 2.0515 × 10^3

Prime Factorization of 20515

Prime Factorization 5 × 11 × 373

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20515
Product of the distinct prime numbers

The prime factorization of 20515 is 5 × 11 × 373. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 8, 31, 76, 5, 85, 9352, 1277, 76210, 24949, 687941, 461772, 7155550, 9199578, 86407999, 76915711, 36311288, 718175520, 1287072920, 3094659144

Basic calculations (n = 20515)

Multiplication

n×y
n×2 41030
n×3 61545
n×4 82060
n×5 102575

Division

n÷y
n÷2 10257.5
n÷3 6838.3333333333
n÷3 5128.75
n÷5 4103

Exponentiation

ny
n2 420865225
n3 8634050090875
n4 177127537614300625
n5 3.6337714341574E+21

Nth Root

y√n
2√n 143.23058332633
3√n 27.375191994928
4√n 11.967898032918
5√n 7.2847441649674

Divisors of 20515

1, 5, 11, 55, 373, 1865, 4103, 20515

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20514
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20515 can be divided by 8 positive divisors. The sum of these divisors (counting 20515) is 1, the average is 0.125.

Base conversion 20515

Base System Value
2 Binary 101000000100011
3 Ternary 1001010211
4 Quaternary 11000203
5 Quinary 1124030
6 Senary 234551
8 Octal 50043
10 Decimal 20515
12 Duodecimal ba57
16 Hexadecimal 5023
20 Vigesimal 2b5f
36 Base36 ftv

Cryptographic Hash Functions

md5 014e9a539b0a40ad7f66d375722ec86e
sha1 d5124f3a5c2b5203928a7634b60d71a5e7e32856
sha256 40ef4ad399fd6a8c19e974e2317dccb9d0ebc107b7e116ee2645342e3eeeea4c
sha512 2ead3e9ab419e8345faa0725298221c7e2367e592e5ea230b34d46e67a1db7e2fbb008e3b791c76b02463fb5d69a3043a78a8e52e7e8144fdad1e7436d17a69a
ripemd-160 9c0d4cbdf042451589c8f61f8b3882af03ba168e

20515 as geometric shapes

Circle

Radius = n
Diameter 41030
Circumference 128899.54657679
Area 1322187099.0114

Sphere

Radius = n
Volume 36166224448292
Surface area 5288748396.0457
Circumference 128899.54657679

Square

Length = n
Perimeter 82060
Area 420865225
Diagonal 29012.591232084

Cube

Length = n
Surface area 2525191350
Volume 8634050090875
Space diagonal 35533.022317276

Equilateral Triangle

Length = n
Perimeter 61545
Area 182239988.20973
Altitude 17766.511158638

Triangular Pyramid

Length = n
Surface area 182239988.20973
Volume 1017532561393.7
Height 9670.863744028