20123809 is an odd 8-digits prime number following 20123808
and preceding 20123810 . In scientific notation, it is written as 2.0123809 × 10^7.
The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors.
There are 20123808 positive integers (up to 20123809) that are relatively prime to 20123809.
20123809 has 2 divisors, whose sum is 20123810
The reverse of 20123809 is 90832102
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million one hundred twenty-three thousand eight hundred nine
Scientific notation
2.0123809 × 10^7
Engineering notation
2.0123809 × 10^6
Prime Factorization
20123809
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20123809
Product of the distinct prime numbers
The prime factorization of 20123809 is 20123809.
Since it has a total of 1 prime factors.
2 , 8 , 10 , 13 , 50 , 4 , 9670 , 4256 , 4915 , 90474 , 186566 , 424668 , 4506582 , 2368020 , 31753917 , 63127326 , 737419841 , 41544549 , 9362611745 , 3859997371
n×2
40247618
n×3
60371427
n×4
80495236
n×5
100619045
n÷2
10061904.5
n÷3
6707936.3333333
n÷3
5030952.25
n÷5
4024761.8
n2
404967688668481
n3
8.149492417936E+21
n4
1.6399882886549E+29
n5
3.3002811083128E+36
2 √n
4485.9568655973
3 √n
272.00072538013
4 √n
66.977286191644
5 √n
28.889633833142
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20123810
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10061905
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4485.9569770563
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999006152
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20123809 can be divided by 2 positive divisors.
The sum of these divisors (counting 20123809) is 20123810, the average is 10061905.
Base
System
Value
2
Binary
1001100110001000010100001
3
Ternary
1101212101200021
4
Quaternary
1030301002201
5
Quinary
20122430214
6
Senary
1555153441
8
Octal
114610241
10
Decimal
20123809
12
Duodecimal
68a5881
16
Hexadecimal
13310a1
20
Vigesimal
65f9a9
36
Base36
bzbmp
md5
087670ba3c9eeddd7e17a4af5bae4f52
sha1
c8a4988b4beb7af11452493c67dc45fa32c84048
sha256
33350921c8bfca4cb7cfd5f552e7c321e34a1099200f8a84050f2eea089927c9
sha512
bab72feedaeedc95780ec7cd27ee5105cbd5afd9d913494f290969739f7abc1d4e975a440c98bd1417bbb5eed03ffe58f06c455191420e36d390b50bbd5dbdb2
ripemd-160
9dad8bb50deb0d8f3230865a0458c809e030ae1e
Diameter
40247618
Circumference
126441621.03329
Area
1.2722435156621E+15
Volume
3.4136514014231E+22
Surface area
5.0889740626486E+15
Circumference
126441621.03329
Perimeter
80495236
Area
404967688668481
Diagonal
28459363.614406
Surface area
2429806132010886
Volume
8.149492417936E+21
Space diagonal
34855459.629812
Perimeter
60371427
Area
1.7535615304939E+14
Altitude
17427729.814906
Surface area
1.7535615304939E+14
Volume
9.6042689199181E+20
Height
9486454.5381353