28709 (number)

28709 is an odd 5-digits composite number following 28708 and preceding 28710. In scientific notation, it is written as 2.8709 × 10^4. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 27180 positive integers (up to 28709) that are relatively prime to 28709.

Interesting facts

Basic properties

Name

Name twenty-eight thousand seven hundred nine

Notation

Scientific notation 2.8709 × 10^4
Engineering notation 2.8709 × 10^3

Prime Factorization of 28709

Prime Factorization 19 × 1511

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28709
Product of the distinct prime numbers

The prime factorization of 28709 is 19 × 1511. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 10, 96, 79, 40, 578, 3708, 1102, 94487, 65762, 633032, 954058, 375771, 611995, 46815185, 85876653, 472757080, 671508092, 9542380317, 8091233389

Basic calculations (n = 28709)

Multiplication

n×y
n×2 57418
n×3 86127
n×4 114836
n×5 143545

Division

n÷y
n÷2 14354.5
n÷3 9569.6666666667
n÷3 7177.25
n÷5 5741.8

Exponentiation

ny
n2 824206681
n3 23662149604829
n4 679316653005035761
n5 1.9502501791122E+22

Nth Root

y√n
2√n 169.43730403899
3√n 30.620058900184
4√n 13.016808519717
5√n 7.7911867286603

Divisors of 28709

1, 19, 1511, 28709

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 -28708
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 28709 can be divided by 4 positive divisors. The sum of these divisors (counting 28709) is 1, the average is 0.25.

Base conversion 28709

Base System Value
2 Binary 111000000100101
3 Ternary 1110101022
4 Quaternary 13000211
5 Quinary 1404314
6 Senary 340525
8 Octal 70045
10 Decimal 28709
12 Duodecimal 14745
16 Hexadecimal 7025
20 Vigesimal 3bf9
36 Base36 m5h

Cryptographic Hash Functions

md5 668a2b1ccec82d575177212da2570e5d
sha1 83e8618ef9ff62f89368645caa968c2c27182bc3
sha256 a8ecaaa0a4b19e691a9c69f422e266d611edf6ff69658ff432f3941e433fc16c
sha512 bbd9346e4572810b8b98b20f521b1945ad998de4c630044cd0f205b584da523e110de08bb3a132fc8f75ecd681eb9a95f6c4e518a52b009a97ba05f2cadc1575
ripemd-160 a1c174e038378e53faa8b484e1f44622af735d04

28709 as geometric shapes

Circle

Radius = n
Diameter 57418
Circumference 180383.96698382
Area 2589321654.0692

Sphere

Radius = n
Volume 99115780488898
Surface area 10357286616.277
Circumference 180383.96698382

Square

Length = n
Perimeter 114836
Area 824206681
Diagonal 40600.657162169

Cube

Length = n
Surface area 4945240086
Volume 23662149604829
Space diagonal 49725.446634495

Equilateral Triangle

Length = n
Perimeter 86127
Area 356891961.85743
Altitude 24862.723317247

Triangular Pyramid

Length = n
Surface area 356891961.85743
Volume 2788611073837.5
Height 13533.55238739