20798638 is an even 8-digits composite number following 20798637
and preceding 20798639 . In scientific notation, it is written as 2.0798638 × 10^7.
The sum of its digits is 43. It has a total of 5 prime factors and 24 positive divisors.
There are 8802864 positive integers (up to 20798638) that are relatively prime to 20798638.
20798638 has 24 divisors, whose sum is 36743112
The reverse of 20798638 is 83689702
Previous prime number is 83
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty million seven hundred ninety-eight thousand six hundred thirty-eight
Scientific notation
2.0798638 × 10^7
Engineering notation
2.0798638 × 10^6
Prime Factorization
2 × 7 × 7 × 83 × 2557
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
2971234
Product of the distinct prime numbers
The prime factorization of 20798638 is 2 × 7 × 7 × 83 × 2557.
Since it has a total of 5 prime factors.
8 , 10 , 50 , 69 , 897 , 153 , 8999 , 306 , 24670 , 88579 , 961981 , 793999 , 6892384 , 9605952 , 35756351 , 23512595 , 563316449 , 323490206 , 5302203908 , 4849994377
n×2
41597276
n×3
62395914
n×4
83194552
n×5
103993190
n÷2
10399319
n÷3
6932879.3333333
n÷3
5199659.5
n÷5
4159727.6
n2
432583342655044
n3
8.9971443487122E+21
n4
1.8712834834261E+29
n5
3.8920147767159E+36
2 √n
4560.5523788243
3 √n
275.00777057933
4 √n
67.531861952891
5 √n
29.080842159873
1 , 2 , 7 , 14 , 49 , 83 , 98 , 166 , 581 , 1162 , 2557 , 4067 , 5114 , 8134 , 17899 , 35798 , 125293 , 212231 , 250586 , 424462 , 1485617 , 2971234 , 10399319 , 20798638
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
-20798637
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 20798638 can be divided by 24 positive divisors.
The sum of these divisors (counting 20798638) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001111010101110010101110
3
Ternary
1110010200100221
4
Quaternary
1033111302232
5
Quinary
20311024023
6
Senary
2021441554
8
Octal
117256256
10
Decimal
20798638
12
Duodecimal
6b702ba
16
Hexadecimal
13d5cae
20
Vigesimal
69jgbi
36
Base36
cdsby
md5
bf01b55bd24c7011ba9e988b99cd2b38
sha1
7d05241b96b9cf731dcc4175aff8ed0294f4bf1e
sha256
d2980850346bfe4f3d4cf54f30e4b4ed6ebfeb174880c3c6423288d9e36bff80
sha512
093834edc5cf7c262e39c193a3f4bcc334f0a5e18490ea4ddedfea3feacc61e922f992b505a042bfb670a053d8235aaf3750077029e84ee3901126a828234e74
ripemd-160
2a0d07045aaa49e4af8c1dccfb1b4d22dccbe0c6
Diameter
41597276
Circumference
130681696.69095
Area
1.3590006513504E+15
Volume
3.7687150118935E+22
Surface area
5.4360026054016E+15
Circumference
130681696.69095
Perimeter
83194552
Area
432583342655044
Diagonal
29413715.938488
Surface area
2595500055930264
Volume
8.9971443487122E+21
Space diagonal
36024297.744233
Perimeter
62395914
Area
1.8731408199663E+14
Altitude
18012148.872116
Surface area
1.8731408199663E+14
Volume
1.0603236300481E+21
Height
9804571.9794961