20389 (number)

20389 is an odd 5-digits prime number following 20388 and preceding 20390. In scientific notation, it is written as 2.0389 × 10^4. The sum of its digits is 22. It has a total of 1 prime factors and 2 positive divisors. There are 20388 positive integers (up to 20389) that are relatively prime to 20389.

Interesting facts

Basic properties

Name

Name twenty thousand three hundred eighty-nine

Notation

Scientific notation 2.0389 × 10^4
Engineering notation 2.0389 × 10^3

Prime Factorization of 20389

Prime Factorization 20389

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 20389
Product of the distinct prime numbers

The prime factorization of 20389 is 20389. Since it has a total of 1 prime factors.

Most popular turbo-numbers

7, 6, 95, 96, 143, 310, 3865, 5640, 30524, 81531, 381017, 922969, 5171650, 220410, 10878391, 37737423, 906739009, 216600743, 7480423644, 5122056015

Basic calculations (n = 20389)

Multiplication

n×y
n×2 40778
n×3 61167
n×4 81556
n×5 101945

Division

n÷y
n÷2 10194.5
n÷3 6796.3333333333
n÷3 5097.25
n÷5 4077.8

Exponentiation

ny
n2 415711321
n3 8475938123869
n4 172815902407565041
n5 3.5235434341878E+21

Nth Root

y√n
2√n 142.79005567616
3√n 27.31903211152
4√n 11.94947930565
5√n 7.2757737423828

Divisors of 20389

1, 20389

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 20390
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10195
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 142.79355727763
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999019127023
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20389 can be divided by 2 positive divisors. The sum of these divisors (counting 20389) is 20390, the average is 10195.

Base conversion 20389

Base System Value
2 Binary 100111110100101
3 Ternary 1000222011
4 Quaternary 10332211
5 Quinary 1123024
6 Senary 234221
8 Octal 47645
10 Decimal 20389
12 Duodecimal b971
16 Hexadecimal 4fa5
20 Vigesimal 2aj9
36 Base36 fqd

Cryptographic Hash Functions

md5 e594b22cf15b445f7476775aa508e9c3
sha1 8029de60de621ed02fd139e946332a34ae2b5d59
sha256 faee23cd01d225ee2833a84baa2b1568b79264a9bb07c45fb189204b189633c8
sha512 362e3b60ed3c3dadf34b5461ff08de51cdf3116000619e011e27993d0a5b271ba4291c4de5916c542355c07d30fd6f4d18ecc42f7bf3e0678c9288e4ea78bdeb
ripemd-160 af8fd5fd282abaeeac6ba58c6dc4b44c8c7dad53

20389 as geometric shapes

Circle

Radius = n
Diameter 40778
Circumference 128107.86522808
Area 1305995632.0677

Sphere

Radius = n
Volume 35503926589638
Surface area 5223982528.2708
Circumference 128107.86522808

Square

Length = n
Perimeter 81556
Area 415711321
Diagonal 28834.400323225

Cube

Length = n
Surface area 2494267926
Volume 8475938123869
Space diagonal 35314.783915522

Equilateral Triangle

Length = n
Perimeter 61167
Area 180008282.31339
Altitude 17657.391957761

Triangular Pyramid

Length = n
Surface area 180008282.31339
Volume 998898887384.23
Height 9611.4667744083