28871 (number)

28871 is an odd 5-digits prime number following 28870 and preceding 28872. In scientific notation, it is written as 2.8871 × 10^4. The sum of its digits is 26. It has a total of 1 prime factors and 2 positive divisors. There are 28870 positive integers (up to 28871) that are relatively prime to 28871.

Interesting facts

Basic properties

Name

Name twenty-eight thousand eight hundred seventy-one

Notation

Scientific notation 2.8871 × 10^4
Engineering notation 2.8871 × 10^3

Prime Factorization of 28871

Prime Factorization 28871

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 28871
Product of the distinct prime numbers

The prime factorization of 28871 is 28871. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28871)

Multiplication

n×y
n×2 57742
n×3 86613
n×4 115484
n×5 144355

Division

n÷y
n÷2 14435.5
n÷3 9623.6666666667
n÷3 7217.75
n÷5 5774.2

Exponentiation

ny
n2 833534641
n3 24064978620311
n4 694779997746998881
n5 2.0058993314954E+22

Nth Root

y√n
2√n 169.9146844743
3√n 30.677545499715
4√n 13.035132698761
5√n 7.7999598170181

Divisors of 28871

1, 28871

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 28872
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 14436
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 169.91762710208
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999307287337
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28871 can be divided by 2 positive divisors. The sum of these divisors (counting 28871) is 28872, the average is 14436.

Base conversion 28871

Base System Value
2 Binary 111000011000111
3 Ternary 1110121022
4 Quaternary 13003013
5 Quinary 1410441
6 Senary 341355
8 Octal 70307
10 Decimal 28871
12 Duodecimal 1485b
16 Hexadecimal 70c7
20 Vigesimal 3c3b
36 Base36 m9z

Cryptographic Hash Functions

md5 b9630d51806c5bf8ab0cef3fd97d414f
sha1 78adf692ff967af5cc1c1e38528b1a554ed381e6
sha256 a33751dc2c5e06264ed3b5373e392f16b4e5262b2a6a72726e3cdb8c9d598f85
sha512 93735b7641e5de9c216f615e6c7fbf499489e05c32d8674c03b50ac7bf3e3103b7e47d1099c5dc80cc81e377374882f39d418a248428d354ea2b1fc66c38ba04
ripemd-160 a583ee27d7a8a3e79c2bbb5cf2930334a1d59577

28871 as geometric shapes

Circle

Radius = n
Diameter 57742
Circumference 181401.84300358
Area 2618626304.6782

Sphere

Radius = n
Volume 1.0080314672315E+14
Surface area 10474505218.713
Circumference 181401.84300358

Square

Length = n
Perimeter 115484
Area 833534641
Diagonal 40829.759759274

Cube

Length = n
Surface area 5001207846
Volume 24064978620311
Space diagonal 50006.038865321

Equilateral Triangle

Length = n
Perimeter 86613
Area 360931087.02017
Altitude 25003.019432661

Triangular Pyramid

Length = n
Surface area 360931087.02017
Volume 2836084928588.5
Height 13609.919919758