20187 (number)

20187 is an odd 5-digits composite number following 20186 and preceding 20188. In scientific notation, it is written as 2.0187 × 10^4. The sum of its digits is 18. It has a total of 2 prime factors and 4 positive divisors. There are 13452 positive integers (up to 20187) that are relatively prime to 20187.

Interesting facts

Basic properties

Name

Name twenty thousand one hundred eighty-seven

Notation

Scientific notation 2.0187 × 10^4
Engineering notation 2.0187 × 10^3

Prime Factorization of 20187

Prime Factorization 9 × 2243

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20187
Product of the distinct prime numbers

The prime factorization of 20187 is 9 × 2243. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 9, 45, 63, 342, 409, 2126, 807, 89158, 97488, 552700, 829112, 4652364, 7640451, 71080573, 37875258, 637252722, 545688547, 9800802695, 4831904623

Basic calculations (n = 20187)

Multiplication

n×y
n×2 40374
n×3 60561
n×4 80748
n×5 100935

Division

n÷y
n÷2 10093.5
n÷3 6729
n÷3 5046.75
n÷5 4037.4

Exponentiation

ny
n2 407514969
n3 8226504679203
n4 166068449959070961
n5 3.3524237993238E+21

Nth Root

y√n
2√n 142.08096283458
3√n 27.228513208158
4√n 11.919771928799
5√n 7.2612996093684

Divisors of 20187

1, 9, 2243, 20187

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 -20186
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 20187 can be divided by 4 positive divisors. The sum of these divisors (counting 20187) is 1, the average is 0.25.

Base conversion 20187

Base System Value
2 Binary 100111011011011
3 Ternary 1000200200
4 Quaternary 10323123
5 Quinary 1121222
6 Senary 233243
8 Octal 47333
10 Decimal 20187
12 Duodecimal b823
16 Hexadecimal 4edb
20 Vigesimal 2a97
36 Base36 fkr

Cryptographic Hash Functions

md5 6ce77713a2f0322b851806e5cf96d139
sha1 8d1ad741eeec2a56f6da33a7acad68cc35883fca
sha256 4ddf10fc5e7e0462eb7d774a0140eb04ec53dd26b91d108c6632b1e617315147
sha512 5cf74708f06848e185387506ce0de32f0e08134f296ac6942152f9b971a3b11a109c779fcd6bb16b9196ff1ec2bbd198ee95e2709dc1633b0f47f7df82a3c431
ripemd-160 6dd761eb613cd8233502d9f257266d395e6db9db

20187 as geometric shapes

Circle

Radius = n
Diameter 40374
Circumference 126838.66179603
Area 1280246032.8383

Sphere

Radius = n
Volume 34459102219875
Surface area 5120984131.3531
Circumference 126838.66179603

Square

Length = n
Perimeter 80748
Area 407514969
Diagonal 28548.729183626

Cube

Length = n
Surface area 2445089814
Volume 8226504679203
Space diagonal 34964.909652393

Equilateral Triangle

Length = n
Perimeter 60561
Area 176459157.78821
Altitude 17482.454826196

Triangular Pyramid

Length = n
Surface area 176459157.78821
Volume 969502874021.22
Height 9516.2430612086