20188809 is an odd 8-digits composite number following 20188808
and preceding 20188810 . In scientific notation, it is written as 2.0188809 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 12555648 positive integers (up to 20188809) that are relatively prime to 20188809.
20188809 has 16 divisors, whose sum is 23961600
The reverse of 20188809 is 90888102
Previous prime number is 127
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million one hundred eighty-eight thousand eight hundred nine
Scientific notation
2.0188809 × 10^7
Engineering notation
2.0188809 × 10^6
Prime Factorization
9 × 17 × 127 × 1039
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20188809
Product of the distinct prime numbers
The prime factorization of 20188809 is 9 × 17 × 127 × 1039.
Since it has a total of 4 prime factors.
1 , 2 , 70 , 96 , 363 , 337 , 8092 , 9177 , 79793 , 26778 , 723778 , 486811 , 7008617 , 9271569 , 46841106 , 85322235 , 145877530 , 645943625 , 4953580911 , 2131179158
n×2
40377618
n×3
60566427
n×4
80755236
n×5
100944045
n÷2
10094404.5
n÷3
6729603
n÷3
5047202.25
n÷5
4037761.8
n2
407588008838481
n3
8.2287164611304E+21
n4
1.6612798494892E+29
n5
3.3539261576886E+36
2 √n
4493.1958559582
3 √n
272.29326518855
4 √n
67.031305044421
5 √n
28.908272498769
1 , 9 , 17 , 127 , 153 , 1039 , 1143 , 2159 , 9351 , 17663 , 19431 , 131953 , 158967 , 1187577 , 2243201 , 20188809
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20188808
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20188809 can be divided by 16 positive divisors.
The sum of these divisors (counting 20188809) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101000000111010001001
3
Ternary
1101222200211200
4
Quaternary
1031000322021
5
Quinary
20132020214
6
Senary
2000414413
8
Octal
115007211
10
Decimal
20188809
12
Duodecimal
6917409
16
Hexadecimal
1340e89
20
Vigesimal
663c09
36
Base36
c0ps9
md5
94307b63f41f962cfebb1063b46c60de
sha1
3d742cc0194101252b98415cb8dfd2acf6344484
sha256
56feab244e1203ca96373aaa1265a4f77c32f275a0941fe7704dc1493938269c
sha512
0c5d287aa8f96b52decba93b524929df63212288f4d9bdb71b1bfb57e3d404753e5841a6f29c8e87b89f3797754ac736e6d6846829adc4e755a18d300de2b9ae
ripemd-160
280a580f637726fda4709032570584d8d554629a
Diameter
40377618
Circumference
126850028.07825
Area
1.2804754942583E+15
Volume
3.4468366910348E+22
Surface area
5.1219019770331E+15
Circumference
126850028.07825
Perimeter
80755236
Area
407588008838481
Diagonal
28551287.49596
Surface area
2445528053030886
Volume
8.2287164611304E+21
Space diagonal
34968042.932304
Perimeter
60566427
Area
1.7649078496602E+14
Altitude
17484021.466152
Surface area
1.7649078496602E+14
Volume
9.6976353502111E+20
Height
9517095.8319867