30809 is an odd 5-digits prime number following 30808
and preceding 30810 . In scientific notation, it is written as 3.0809 × 10^4.
The sum of its digits is 20. It has a total of 1 prime factors and 2 positive divisors.
There are 30808 positive integers (up to 30809) that are relatively prime to 30809.
30809 has 2 divisors, whose sum is 30810
The reverse of 30809 is 90803
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 5
Sum of Digits 20
Digital Root 2
Name
thirty thousand eight hundred nine
Scientific notation
3.0809 × 10^4
Engineering notation
3.0809 × 10^3
Prime Factorization
30809
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
30809
Product of the distinct prime numbers
The prime factorization of 30809 is 30809.
Since it has a total of 1 prime factors.
6 , 8 , 84 , 45 , 86 , 874 , 5814 , 8951 , 26499 , 94762 , 104793 , 345977 , 4301950 , 6861772 , 18027136 , 79168266 , 875739434 , 736721981 , 8215445638 , 9253933707
n×2
61618
n×3
92427
n×4
123236
n×5
154045
n÷2
15404.5
n÷3
10269.666666667
n÷3
7702.25
n÷5
6161.8
n2
949194481
n3
29243732765129
n4
900970162760859361
n5
2.7757989744499E+22
2 √n
175.52492700468
3 √n
31.349157039435
4 √n
13.248582075252
5 √n
7.9019726182322
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
30810
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
15405
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
175.52777557982
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.999935086011
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 30809 can be divided by 2 positive divisors.
The sum of these divisors (counting 30809) is 30810, the average is 15405.
Base
System
Value
2
Binary
111100001011001
3
Ternary
1120021002
4
Quaternary
13201121
5
Quinary
1441214
6
Senary
354345
8
Octal
74131
10
Decimal
30809
12
Duodecimal
159b5
16
Hexadecimal
7859
20
Vigesimal
3h09
36
Base36
nrt
md5
33b2260650d881180c21b62b4de5f3d2
sha1
a3736ebce9b8d5eef7bb4a39bd315043b8b8ec05
sha256
14e42434549b31292389e74c0933635e4cd9f2e1c200c4d83f9725326ca0b310
sha512
5787b7012fcb566ee011f66f9ecc9b84251dad527d4230c89d0c09eeae0cfb27c3eaf515b7266ab8ce0ad489641d2aeabfe08a4fa11b34ad97d8539f39e8bdbb
ripemd-160
3e1a613b0078be65c1100dbe5c132ab726f9221f
Diameter
61618
Circumference
193578.6561289
Area
2981982408.3376
Volume
1.2249586135796E+14
Surface area
11927929633.35
Circumference
193578.6561289
Perimeter
123236
Area
949194481
Diagonal
43570.505643153
Surface area
5695166886
Volume
29243732765129
Space diagonal
53362.75333039
Perimeter
92427
Area
411013266.83899
Altitude
26681.376665195
Surface area
411013266.83899
Volume
3446406957571.7
Height
14523.501881051