20001 (number)

20001 is an odd 5-digits composite number following 20000 and preceding 20002. In scientific notation, it is written as 2.0001 × 10^4. The sum of its digits is 3. It has a total of 3 prime factors and 8 positive divisors. There are 12992 positive integers (up to 20001) that are relatively prime to 20001.

Interesting facts

Basic properties

Name

Name twenty thousand one

Notation

Scientific notation 2.0001 × 10^4
Engineering notation 2.0001 × 10^3

Prime Factorization of 20001

Prime Factorization 3 × 59 × 113

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20001
Product of the distinct prime numbers

The prime factorization of 20001 is 3 × 59 × 113. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 5, 83, 21, 964, 109, 5704, 6688, 59191, 67123, 55491, 35623, 9980102, 1874932, 88426415, 35225199, 548077417, 78975243, 453162819, 9926483499

Basic calculations (n = 20001)

Multiplication

n×y
n×2 40002
n×3 60003
n×4 80004
n×5 100005

Division

n÷y
n÷2 10000.5
n÷3 6667
n÷3 5000.25
n÷5 4000.2

Exponentiation

ny
n2 400040001
n3 8001200060001
n4 160032002400080001
n5 3.200800080004E+21

Nth Root

y√n
2√n 141.42489172702
3√n 27.144628561345
4√n 11.892219798129
5√n 7.2478691132938

Divisors of 20001

1, 3, 59, 113, 177, 339, 6667, 20001

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 -20000
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 20001 can be divided by 8 positive divisors. The sum of these divisors (counting 20001) is 1, the average is 0.125.

Base conversion 20001

Base System Value
2 Binary 100111000100001
3 Ternary 1000102210
4 Quaternary 10320201
5 Quinary 1120001
6 Senary 232333
8 Octal 47041
10 Decimal 20001
12 Duodecimal b6a9
16 Hexadecimal 4e21
20 Vigesimal 2a01
36 Base36 ffl

Cryptographic Hash Functions

md5 2383c7d07bce3c82e6da7741782de416
sha1 8a91c656d39de29f7fed1cd79233ccb41e723d0a
sha256 fc82267b45dcbf8db9e4ec10055373cfff41efcbc5b83a304be35bd67871d710
sha512 2b250f7d4f3e2cf30077134fb16fbffca652e29c346ac16408d0f23da8dc32cf007731d6f70c1ba552ef34f92cd0c5f6bce3a0c6090c633b49f34a228892144b
ripemd-160 d74a1a579ea829461cbc39d99111f51539802c7c

20001 as geometric shapes

Circle

Radius = n
Diameter 40002
Circumference 125669.9893289
Area 1256762728.2837

Sphere

Radius = n
Volume 33515348437868
Surface area 5027050913.1346
Circumference 125669.9893289

Square

Length = n
Perimeter 80004
Area 400040001
Diagonal 28285.685461024

Cube

Length = n
Surface area 2400240006
Volume 8001200060001
Space diagonal 34642.748202185

Equilateral Triangle

Length = n
Perimeter 60003
Area 173222401.69798
Altitude 17321.374101093

Triangular Pyramid

Length = n
Surface area 173222401.69798
Volume 942950470009.49
Height 9428.5618203414