28750 (number)

28750 is an even 5-digits composite number following 28749 and preceding 28751. In scientific notation, it is written as 2.8750 × 10^4. The sum of its digits is 22. It has a total of 5 prime factors and 16 positive divisors. There are 11000 positive integers (up to 28750) that are relatively prime to 28750.

Interesting facts

Basic properties

Name

Name twenty-eight thousand seven hundred fifty

Notation

Scientific notation 2.8750 × 10^4
Engineering notation 2.8750 × 10^3

Prime Factorization of 28750

Prime Factorization 2 × 115 × 5 × 5 × 5

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 1150
Product of the distinct prime numbers

The prime factorization of 28750 is 2 × 115 × 5 × 5 × 5. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 7, 59, 75, 145, 535, 6695, 829, 56170, 35934, 317358, 210785, 3230550, 4980599, 35842136, 49192221, 198573671, 487717080, 4696536229, 154462980

Basic calculations (n = 28750)

Multiplication

n×y
n×2 57500
n×3 86250
n×4 115000
n×5 143750

Division

n÷y
n÷2 14375
n÷3 9583.3333333333
n÷3 7187.5
n÷5 5750

Exponentiation

ny
n2 826562500
n3 23763671875000
n4 683205566406250000
n5 1.964216003418E+22

Nth Root

y√n
2√n 169.55824957813
3√n 30.634628376142
4√n 13.021453435701
5√n 7.7934108140198

Divisors of 28750

1, 2, 5, 10, 25, 50, 115, 125, 230, 250, 575, 1150, 2875, 5750, 14375, 28750

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28749
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28750 can be divided by 16 positive divisors. The sum of these divisors (counting 28750) is 1, the average is 0.0625.

Base conversion 28750

Base System Value
2 Binary 111000001001110
3 Ternary 1110102211
4 Quaternary 13001032
5 Quinary 1410000
6 Senary 341034
8 Octal 70116
10 Decimal 28750
12 Duodecimal 1477a
16 Hexadecimal 704e
20 Vigesimal 3bha
36 Base36 m6m

Cryptographic Hash Functions

md5 92f57807d7a38f80a3b0f7fd4b639da9
sha1 17dfaff295b2539ac474416296313dc9f240d922
sha256 0576a2ac88df625180382b7386f2ab0404b2f8907b01682790d404300d517536
sha512 0c0440d15fb92e6c0b0759eea30c09bd961ea6eb90cc5b56912f23a7082861cd6d7b113ef6c84c6fb21e521cc7061ecd554505a3813648cc86bfceada2235fed
ripemd-160 5f9854d70cd5f5654edf540c70631f9cd9e72329

28750 as geometric shapes

Circle

Radius = n
Diameter 57500
Circumference 180641.57758141
Area 2596722677.7328

Sphere

Radius = n
Volume 99541035979758
Surface area 10386890710.931
Circumference 180641.57758141

Square

Length = n
Perimeter 115000
Area 826562500
Diagonal 40658.639918226

Cube

Length = n
Surface area 4959375000
Volume 23763671875000
Space diagonal 49796.460717605

Equilateral Triangle

Length = n
Perimeter 86250
Area 357912061.40779
Altitude 24898.230358803

Triangular Pyramid

Length = n
Surface area 357912061.40779
Volume 2800575588117.4
Height 13552.879972742