20688742 is an even 8-digits composite number following 20688741
and preceding 20688743 . In scientific notation, it is written as 2.0688742 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 10015488 positive integers (up to 20688742) that are relatively prime to 20688742.
20688742 has 16 divisors, whose sum is 32034240
The reverse of 20688742 is 24788602
Previous prime number is 97
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million six hundred eighty-eight thousand seven hundred forty-two
Scientific notation
2.0688742 × 10^7
Engineering notation
2.0688742 × 10^6
Prime Factorization
2 × 47 × 97 × 2269
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20688742
Product of the distinct prime numbers
The prime factorization of 20688742 is 2 × 47 × 97 × 2269.
Since it has a total of 4 prime factors.
10 , 9 , 62 , 79 , 173 , 159 , 5886 , 7925 , 49283 , 56657 , 341353 , 876056 , 4879646 , 6919665 , 83175273 , 23857718 , 546899757 , 63795401 , 4396987371 , 1223075388
n×2
41377484
n×3
62066226
n×4
82754968
n×5
103443710
n÷2
10344371
n÷3
6896247.3333333
n÷3
5172185.5
n÷5
4137748.4
n2
428024045542564
n3
8.8552790480264E+21
n4
1.8320458356262E+29
n5
3.7902723625445E+36
2 √n
4548.4878806038
3 √n
274.52255226383
4 √n
67.442478310067
5 √n
29.050045486895
1 , 2 , 47 , 94 , 97 , 194 , 2269 , 4538 , 4559 , 9118 , 106643 , 213286 , 220093 , 440186 , 10344371 , 20688742
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
-20688741
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 20688742 can be divided by 16 positive divisors.
The sum of these divisors (counting 20688742) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110111010111101100110
3
Ternary
1102221002121201
4
Quaternary
1032322331212
5
Quinary
20244014432
6
Senary
2015233114
8
Octal
116727546
10
Decimal
20688742
12
Duodecimal
6b1879a
16
Hexadecimal
13baf66
20
Vigesimal
6961h2
36
Base36
cbfja
md5
1b1e8e3d27655063e3d1669619d9d249
sha1
7782473ced8cc44e8233e59e9e4121f91288cc10
sha256
cbfbabc07bd7700a1ed089a0e584f9a7f4fd83017141f75c7d0243f7379b70aa
sha512
637ea8cc2b712248446b26e8520bbe311b196a9f1efa3b3e35b368997b14fd7a226ab78b377978303721c560e1e0c4382f94660e58d8991e3309ff040c331abe
ripemd-160
4ac2e48f93c2d57295fddbd9b0dbe18dc62a40e6
Diameter
41377484
Circumference
129991199.75843
Area
1.3446771970363E+15
Volume
3.7092906137023E+22
Surface area
5.3787087881452E+15
Circumference
129991199.75843
Perimeter
82754968
Area
428024045542564
Diagonal
29258299.524838
Surface area
2568144273255384
Volume
8.8552790480264E+21
Space diagonal
35833952.288684
Perimeter
62066226
Area
1.8533984843522E+14
Altitude
17916976.144342
Surface area
1.8533984843522E+14
Volume
1.0436046440264E+21
Height
9752766.5082793