20015 (number)

20015 is an odd 5-digits composite number following 20014 and preceding 20016. In scientific notation, it is written as 2.0015 × 10^4. The sum of its digits is 8. It has a total of 2 prime factors and 4 positive divisors. There are 16008 positive integers (up to 20015) that are relatively prime to 20015.

Interesting facts

Basic properties

Name

Name twenty thousand fifteen

Notation

Scientific notation 2.0015 × 10^4
Engineering notation 2.0015 × 10^3

Prime Factorization of 20015

Prime Factorization 5 × 4003

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20015
Product of the distinct prime numbers

The prime factorization of 20015 is 5 × 4003. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 2, 94, 31, 134, 290, 6817, 7987, 53848, 40215, 53287, 245869, 3741217, 6301249, 96172905, 34173036, 229809665, 1979963, 1136743846, 2163010685

Basic calculations (n = 20015)

Multiplication

n×y
n×2 40030
n×3 60045
n×4 80060
n×5 100075

Division

n÷y
n÷2 10007.5
n÷3 6671.6666666667
n÷3 5003.75
n÷5 4003

Exponentiation

ny
n2 400600225
n3 8018013503375
n4 160480540270050625
n5 3.2120180135051E+21

Nth Root

y√n
2√n 141.47437930594
3√n 27.150960514186
4√n 11.894300286521
5√n 7.2488834802683

Divisors of 20015

1, 5, 4003, 20015

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 -20014
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 20015 can be divided by 4 positive divisors. The sum of these divisors (counting 20015) is 1, the average is 0.25.

Base conversion 20015

Base System Value
2 Binary 100111000101111
3 Ternary 1000110022
4 Quaternary 10320233
5 Quinary 1120030
6 Senary 232355
8 Octal 47057
10 Decimal 20015
12 Duodecimal b6bb
16 Hexadecimal 4e2f
20 Vigesimal 2a0f
36 Base36 ffz

Cryptographic Hash Functions

md5 20e3c52b6204040da78744a257a6dc73
sha1 05fcaa026fc16367186d58e632a057f50a579e70
sha256 fa86611a10365c8c09d785c51e6f6ce1ad4f4daab366a62e29cb58de023dcb7c
sha512 d4bb0810faee4b3a004bf975abd5c7742487f4d2cf3e4551652d82524c2d07d018af50d9c94c671197da5d4c464629144e2565c4efb65b7f5f5e483f19ff546a
ripemd-160 64c5e7772b03788bfd5d7ac3a2c16f6227e52e55

20015 as geometric shapes

Circle

Radius = n
Diameter 40030
Circumference 125757.9539232
Area 1258522723.8864

Sphere

Radius = n
Volume 33585776424782
Surface area 5034090895.5457
Circumference 125757.9539232

Square

Length = n
Perimeter 80060
Area 400600225
Diagonal 28305.484450898

Cube

Length = n
Surface area 2403601350
Volume 8018013503375
Space diagonal 34666.996913491

Equilateral Triangle

Length = n
Perimeter 60045
Area 173464985.80588
Altitude 17333.498456746

Triangular Pyramid

Length = n
Surface area 173464985.80588
Volume 944931953313.63
Height 9435.1614836325