20787742 is an even 8-digits composite number following 20787741
and preceding 20787743 . In scientific notation, it is written as 2.0787742 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 10247328 positive integers (up to 20787742) that are relatively prime to 20787742.
20787742 has 16 divisors, whose sum is 31625280
The reverse of 20787742 is 24778702
Previous prime number is 157
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million seven hundred eighty-seven thousand seven hundred forty-two
Scientific notation
2.0787742 × 10^7
Engineering notation
2.0787742 × 10^6
Prime Factorization
2 × 239 × 157 × 277
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20787742
Product of the distinct prime numbers
The prime factorization of 20787742 is 2 × 239 × 157 × 277.
Since it has a total of 4 prime factors.
9 , 5 , 72 , 13 , 600 , 352 , 6424 , 6829 , 92763 , 36322 , 203990 , 710034 , 6195055 , 4563511 , 30152539 , 30495906 , 889530923 , 145295014 , 465573216 , 1485963819
n×2
41575484
n×3
62363226
n×4
83150968
n×5
103938710
n÷2
10393871
n÷3
6929247.3333333
n÷3
5196935.5
n÷5
4157548.4
n2
432130217458564
n3
8.9830114709325E+21
n4
1.8673652484079E+29
n5
3.8818307003668E+36
2 √n
4559.3576301931
3 √n
274.95973845839
4 √n
67.52301555909
5 √n
29.07779454419
1 , 2 , 157 , 239 , 277 , 314 , 478 , 554 , 37523 , 43489 , 66203 , 75046 , 86978 , 132406 , 10393871 , 20787742
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
-20787741
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 20787742 can be divided by 16 positive divisors.
The sum of these divisors (counting 20787742) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111010011001000011110
3
Ternary
1110010010102101
4
Quaternary
1033103020132
5
Quinary
20310201432
6
Senary
2021315314
8
Octal
117231036
10
Decimal
20787742
12
Duodecimal
6b65b3a
16
Hexadecimal
13d321e
20
Vigesimal
69i972
36
Base36
cdjxa
md5
8dc3b6158cd4b6f7f97a6bce0a775eb4
sha1
335252d53006ca17e5f4f19ddd4116c2bfbed928
sha256
aac749c9769c9b9591f54edd7d22b540f9972e7d1d3a9d5616b05339cfc1d123
sha512
e84b963336ab5dff9463c56ce6b2e93226b32704621771413173279ba050476a1f1c53e913c2396b183b5658b59701b5b46b8b6f5cabdcd5d9efc33f684d3721
ripemd-160
933d24a809a3ba3bb1433acae47f4e173c230319
Diameter
41575484
Circumference
130613235.10384
Area
1.357577116562E+15
Volume
3.7627950458926E+22
Surface area
5.4303084662479E+15
Circumference
130613235.10384
Perimeter
83150968
Area
432130217458564
Diagonal
29398306.667513
Surface area
2592781304751384
Volume
8.9830114709325E+21
Space diagonal
36005425.318633
Perimeter
62363226
Area
1.8711787303101E+14
Altitude
18002712.659317
Surface area
1.8711787303101E+14
Volume
1.0586580544288E+21
Height
9799435.5558376