28345 (number)

28345 is an odd 5-digits composite number following 28344 and preceding 28346. In scientific notation, it is written as 2.8345 × 10^4. The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors. There are 22672 positive integers (up to 28345) that are relatively prime to 28345.

Interesting facts

Basic properties

Name

Name twenty-eight thousand three hundred forty-five

Notation

Scientific notation 2.8345 × 10^4
Engineering notation 2.8345 × 10^3

Prime Factorization of 28345

Prime Factorization 5 × 5669

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28345
Product of the distinct prime numbers

The prime factorization of 28345 is 5 × 5669. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28345)

Multiplication

n×y
n×2 56690
n×3 85035
n×4 113380
n×5 141725

Division

n÷y
n÷2 14172.5
n÷3 9448.3333333333
n÷3 7086.25
n÷5 5669

Exponentiation

ny
n2 803439025
n3 22773479163625
n4 645514266892950625
n5 1.8297101895081E+22

Nth Root

y√n
2√n 168.35973390333
3√n 30.490098012884
4√n 12.975351012721
5√n 7.771328946589

Divisors of 28345

1, 5, 5669, 28345

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 -28344
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 28345 can be divided by 4 positive divisors. The sum of these divisors (counting 28345) is 1, the average is 0.25.

Base conversion 28345

Base System Value
2 Binary 110111010111001
3 Ternary 1102212211
4 Quaternary 12322321
5 Quinary 1401340
6 Senary 335121
8 Octal 67271
10 Decimal 28345
12 Duodecimal 144a1
16 Hexadecimal 6eb9
20 Vigesimal 3ah5
36 Base36 lvd

Cryptographic Hash Functions

md5 b34757e1761fdbe6d687ecf4d698447a
sha1 079001fab15d9a38a94cdddd6fb2717abc773435
sha256 43741946db70f6937ac8fe209d2aa3519cfeeea8f3df7d47300258f6da79ffdd
sha512 fa7b0b6da9446240c9c95116872513ce8658aaefed7bc947e62bab0eb2b1bfea8fb17f389e0d589886a169fee5c4a8b890b74902e547cc32de6c96faabe99e74
ripemd-160 0c976f973cb7b9fb286eae779e02f64eadd7407d

28345 as geometric shapes

Circle

Radius = n
Diameter 56690
Circumference 178096.88753201
Area 2524078138.5473

Sphere

Radius = n
Volume 95393326449499
Surface area 10096312554.189
Circumference 178096.88753201

Square

Length = n
Perimeter 113380
Area 803439025
Diagonal 40085.883425465

Cube

Length = n
Surface area 4820634150
Volume 22773479163625
Space diagonal 49094.98014054

Equilateral Triangle

Length = n
Perimeter 85035
Area 347899303.0209
Altitude 24547.49007027

Triangular Pyramid

Length = n
Surface area 347899303.0209
Volume 2683880257968.3
Height 13361.961141822