20205090 is an even 8-digits composite number following 20205089
and preceding 20205091 . In scientific notation, it is written as 2.0205090 × 10^7.
The sum of its digits is 18. It has a total of 5 prime factors and 24 positive divisors.
There are 5388000 positive integers (up to 20205090) that are relatively prime to 20205090.
20205090 has 24 divisors, whose sum is 52533468
The reverse of 20205090 is 09050202
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty million two hundred five thousand ninety
Scientific notation
2.0205090 × 10^7
Engineering notation
2.0205090 × 10^6
Prime Factorization
2 × 3 × 3 × 5 × 224501
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
6735030
Product of the distinct prime numbers
The prime factorization of 20205090 is 2 × 3 × 3 × 5 × 224501.
Since it has a total of 5 prime factors.
7 , 1 , 2 , 70 , 135 , 825 , 7433 , 1684 , 54975 , 51354 , 876755 , 925589 , 3408325 , 7056003 , 5940534 , 74942197 , 174430159 , 656936995 , 9952621905 , 6433029234
n×2
40410180
n×3
60615270
n×4
80820360
n×5
101025450
n÷2
10102545
n÷3
6735030
n÷3
5051272.5
n÷5
4041018
n2
408245661908100
n3
8.2486403409627E+21
n4
1.6666452046678E+29
n5
3.3674716358382E+36
2 √n
4495.00723025
3 √n
272.36644129788
4 √n
67.044815088492
5 √n
28.912933534854
1 , 2 , 3 , 5 , 6 , 9 , 10 , 15 , 18 , 30 , 45 , 90 , 224501 , 449002 , 673503 , 1122505 , 1347006 , 2020509 , 2245010 , 3367515 , 4041018 , 6735030 , 10102545 , 20205090
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20205089
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20205090 can be divided by 24 positive divisors.
The sum of these divisors (counting 20205090) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001101000100111000100010
3
Ternary
1102000112011200
4
Quaternary
1031010320202
5
Quinary
20133030330
6
Senary
2001022030
8
Octal
115047042
10
Decimal
20205090
12
Duodecimal
6924916
16
Hexadecimal
1344e22
20
Vigesimal
665cea
36
Base36
c12ci
md5
879fc5cba6f7a7c5c1711c825b08f48d
sha1
618a8ef82082d930f386cd718ff7e812a1bcbc52
sha256
a254af5fd4fac9ab91ae5dadb9104fecfb8a00f9e00fb60c50d9d1ab17dbcc73
sha512
9830a93937bb7ab66dc670e038ac9dcebb6eac09417566df243fbf53b3f94ae8b5ba72a5325296d4c2ce79ca6210a0596774689f32e23060d1f09ddc2fdf39b2
ripemd-160
bd9635ff7ebb57d1a9991b9c357cef67cb447a3f
Diameter
40410180
Circumference
126952324.61824
Area
1.2825415723104E+15
Volume
3.4551823863031E+22
Surface area
5.1301662892416E+15
Circumference
126952324.61824
Perimeter
80820360
Area
408245661908100
Diagonal
28574312.306969
Surface area
2449473971448600
Volume
8.2486403409627E+21
Space diagonal
34996242.451502
Perimeter
60615270
Area
1.767755570986E+14
Altitude
17498121.225751
Surface area
1.767755570986E+14
Volume
9.7211158677728E+20
Height
9524770.7689897