28909 (number)

28909 is an odd 5-digits prime number following 28908 and preceding 28910. In scientific notation, it is written as 2.8909 × 10^4. The sum of its digits is 28. It has a total of 1 prime factors and 2 positive divisors. There are 28908 positive integers (up to 28909) that are relatively prime to 28909.

Interesting facts

Basic properties

Name

Name twenty-eight thousand nine hundred nine

Notation

Scientific notation 2.8909 × 10^4
Engineering notation 2.8909 × 10^3

Prime Factorization of 28909

Prime Factorization 28909

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 28909
Product of the distinct prime numbers

The prime factorization of 28909 is 28909. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28909)

Multiplication

n×y
n×2 57818
n×3 86727
n×4 115636
n×5 144545

Division

n÷y
n÷2 14454.5
n÷3 9636.3333333333
n÷3 7227.25
n÷5 5781.8

Exponentiation

ny
n2 835730281
n3 24160126693429
n4 698445102580338961
n5 2.0191349470495E+22

Nth Root

y√n
2√n 170.0264685277
3√n 30.690998857188
4√n 13.039419792602
5√n 7.8020119977416

Divisors of 28909

1, 28909

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 28910
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 14455
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 170.02940922088
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999308197855
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28909 can be divided by 2 positive divisors. The sum of these divisors (counting 28909) is 28910, the average is 14455.

Base conversion 28909

Base System Value
2 Binary 111000011101101
3 Ternary 1110122201
4 Quaternary 13003231
5 Quinary 1411114
6 Senary 341501
8 Octal 70355
10 Decimal 28909
12 Duodecimal 14891
16 Hexadecimal 70ed
20 Vigesimal 3c59
36 Base36 mb1

Cryptographic Hash Functions

md5 bcb35e73c974a4ba0b5685dbd875c2fa
sha1 f2951dd4aa82445e83720b969432995aa31f244b
sha256 dc2787f782aa94f497685fc5f15cf6fa3da7ebc048788c91df82a680a2ffe7cd
sha512 407b00715ae1f429d8307ae0d2ea5f09d6ecf9f8e2ed480477c2bc2a1d31c4b8e67eef961f199c6609d06f779612082121e06e6648f9d9bcf0222f0b890c655f
ripemd-160 4c541985eb576a9c72d8f5cc895a6553fddaccbc

28909 as geometric shapes

Circle

Radius = n
Diameter 57818
Circumference 181640.60404525
Area 2625524111.1721

Sphere

Radius = n
Volume 1.0120170203983E+14
Surface area 10502096444.689
Circumference 181640.60404525

Square

Length = n
Perimeter 115636
Area 835730281
Diagonal 40883.499874644

Cube

Length = n
Surface area 5014381686
Volume 24160126693429
Space diagonal 50071.856796009

Equilateral Triangle

Length = n
Perimeter 86727
Area 361881827.02895
Altitude 25035.928398004

Triangular Pyramid

Length = n
Surface area 361881827.02895
Volume 2847298236541.6
Height 13627.833291548