20557788 is an even 8-digits composite number following 20557787
and preceding 20557789 . In scientific notation, it is written as 2.0557788 × 10^7.
The sum of its digits is 42. It has a total of 5 prime factors and 24 positive divisors.
There are 6821760 positive integers (up to 20557788) that are relatively prime to 20557788.
20557788 has 24 divisors, whose sum is 48184080
The reverse of 20557788 is 88775502
Previous prime number is 229
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty million five hundred fifty-seven thousand seven hundred eighty-eight
Scientific notation
2.0557788 × 10^7
Engineering notation
2.0557788 × 10^6
Prime Factorization
2 × 2 × 3 × 229 × 7481
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10278894
Product of the distinct prime numbers
The prime factorization of 20557788 is 2 × 2 × 3 × 229 × 7481.
Since it has a total of 5 prime factors.
5 , 10 , 50 , 17 , 253 , 290 , 6516 , 1611 , 75369 , 7334 , 900938 , 329093 , 2913311 , 8675414 , 93218118 , 32901166 , 147022475 , 574361657 , 6440233073 , 7963067585
n×2
41115576
n×3
61673364
n×4
82231152
n×5
102788940
n÷2
10278894
n÷3
6852596
n÷3
5139447
n÷5
4111557.6
n2
422622647452944
n3
8.6881867903364E+21
n4
1.7860990214014E+29
n5
3.6718245028976E+36
2 √n
4534.0696950973
3 √n
273.94210864251
4 √n
67.335501001309
5 √n
29.013176273079
1 , 2 , 3 , 4 , 6 , 12 , 229 , 458 , 687 , 916 , 1374 , 2748 , 7481 , 14962 , 22443 , 29924 , 44886 , 89772 , 1713149 , 3426298 , 5139447 , 6852596 , 10278894 , 20557788
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
-20557787
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 20557788 can be divided by 24 positive divisors.
The sum of these divisors (counting 20557788) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001110011010111111011100
3
Ternary
1102200102222120
4
Quaternary
1032122333130
5
Quinary
20230322123
6
Senary
2012342540
8
Octal
116327734
10
Decimal
20557788
12
Duodecimal
6a74a50
16
Hexadecimal
139afdc
20
Vigesimal
689e98
36
Base36
c8mho
md5
b9eedada4adcb12357d84e0d7d33d641
sha1
6efbb2c9202f6f4e80d77990ffb9ead1b92f78c6
sha256
bde2d2d06efa44be8b4f313c41b5acb21a51f69ca64e2d0a88557de477ebdfc8
sha512
93c881a1689d4e1692370478ef35a26691233851f7320753ba32618ec3adfeb2ffd75dd0820b3273e8c52368a3cffeae9bf5e2976dd0605290b14b481eac271d
ripemd-160
679c90cec4c99e4e11d095ca57b1ece91bd133c3
Diameter
41115576
Circumference
129168391.50971
Area
1.3277082044788E+15
Volume
3.6392991724715E+22
Surface area
5.3108328179154E+15
Circumference
129168391.50971
Perimeter
82231152
Area
422622647452944
Diagonal
29073102.601991
Surface area
2535735884717664
Volume
8.6881867903364E+21
Space diagonal
35607133.30723
Perimeter
61673364
Area
1.8300097445444E+14
Altitude
17803566.653615
Surface area
1.8300097445444E+14
Volume
1.0239126326104E+21
Height
9691034.2006636