20205590 is an even 8-digits composite number following 20205589
and preceding 20205591 . In scientific notation, it is written as 2.0205590 × 10^7.
The sum of its digits is 23. It has a total of 4 prime factors and 16 positive divisors.
There are 8070240 positive integers (up to 20205590) that are relatively prime to 20205590.
20205590 has 16 divisors, whose sum is 36424080
The reverse of 20205590 is 09550202
Previous prime number is 1979
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million two hundred five thousand five hundred ninety
Scientific notation
2.0205590 × 10^7
Engineering notation
2.0205590 × 10^6
Prime Factorization
2 × 5 × 1979 × 1021
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20205590
Product of the distinct prime numbers
The prime factorization of 20205590 is 2 × 5 × 1979 × 1021.
Since it has a total of 4 prime factors.
6 , 8 , 19 , 100 , 469 , 215 , 9844 , 9326 , 39028 , 18026 , 733642 , 658674 , 9187513 , 125601 , 4520078 , 75354056 , 252288444 , 430250997 , 6380454760 , 7504997957
n×2
40411180
n×3
60616770
n×4
80822360
n×5
101027950
n÷2
10102795
n÷3
6735196.6666667
n÷3
5051397.5
n÷5
4041118
n2
408265867248100
n3
8.2492527246095E+21
n4
1.6668101835984E+29
n5
3.3678883177615E+36
2 √n
4495.0628471691
3 √n
272.36868796109
4 √n
67.045229861409
5 √n
28.913076630714
1 , 2 , 5 , 10 , 1021 , 1979 , 2042 , 3958 , 5105 , 9895 , 10210 , 19790 , 2020559 , 4041118 , 10102795 , 20205590
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
-20205589
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 20205590 can be divided by 16 positive divisors.
The sum of these divisors (counting 20205590) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101000101000000010110
3
Ternary
1102000112212012
4
Quaternary
1031011000112
5
Quinary
20133034330
6
Senary
2001024222
8
Octal
115050026
10
Decimal
20205590
12
Duodecimal
6925072
16
Hexadecimal
1345016
20
Vigesimal
665dja
36
Base36
c12qe
md5
0380dc4eccabd522b24279da56e63dd4
sha1
de4e6baf08cf394b91fb532d5c24ecf557b1a4b0
sha256
1f8b5e5fa82d20a0ef83bf363dd6e46f44d82ad6967146d5b13d864df5955b17
sha512
e241fc1b3b04a61d806b592133cf028f63eb0d0ec0c1c783dbab2e097c09f982a1d0972506dcd6f9d47618bd6089b7c5f72e2ab408fa3e24b46111d93e8e33ce
ripemd-160
52a0863a7fa3afc70375d24e22ea2265b64bbab2
Diameter
40411180
Circumference
126955466.21089
Area
1.2826050492581E+15
Volume
3.4554389009652E+22
Surface area
5.1304201970324E+15
Circumference
126955466.21089
Perimeter
80822360
Area
408265867248100
Diagonal
28575019.41375
Surface area
2449595203488600
Volume
8.2492527246095E+21
Space diagonal
34997108.476906
Perimeter
60616770
Area
1.7678430626747E+14
Altitude
17498554.238453
Surface area
1.7678430626747E+14
Volume
9.7218375688217E+20
Height
9525006.4712501