20688516 is an even 8-digits composite number following 20688515
and preceding 20688517 . In scientific notation, it is written as 2.0688516 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors.
There are 6782400 positive integers (up to 20688516) that are relatively prime to 20688516.
20688516 has 24 divisors, whose sum is 40891480
The reverse of 20688516 is 61588602
Previous prime number is 61
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million six hundred eighty-eight thousand five hundred sixteen
Scientific notation
2.0688516 × 10^7
Engineering notation
2.0688516 × 10^6
Prime Factorization
2 × 2 × 9 × 61 × 9421
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10344258
Product of the distinct prime numbers
The prime factorization of 20688516 is 2 × 2 × 9 × 61 × 9421.
Since it has a total of 5 prime factors.
5 , 9 , 50 , 38 , 458 , 479 , 7870 , 9344 , 11358 , 34779 , 105247 , 848744 , 4530453 , 5242316 , 28637711 , 35914732 , 974594110 , 93413267 , 5842432167 , 1178374132
n×2
41377032
n×3
62065548
n×4
82754064
n×5
103442580
n÷2
10344258
n÷3
6896172
n÷3
5172129
n÷5
4137703.2
n2
428014694282256
n3
8.8549888508936E+21
n4
1.8319657852153E+29
n5
3.790065345888E+36
2 √n
4548.4630371148
3 √n
274.52155264895
4 √n
67.442294127015
5 √n
29.049982019151
1 , 2 , 4 , 9 , 18 , 36 , 61 , 122 , 244 , 549 , 1098 , 2196 , 9421 , 18842 , 37684 , 84789 , 169578 , 339156 , 574681 , 1149362 , 2298724 , 5172129 , 10344258 , 20688516
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
-20688515
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 20688516 can be divided by 24 positive divisors.
The sum of these divisors (counting 20688516) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001110111010111010000100
3
Ternary
1102221002022100
4
Quaternary
1032322322010
5
Quinary
20244013031
6
Senary
2015232100
8
Octal
116727204
10
Decimal
20688516
12
Duodecimal
6b18630
16
Hexadecimal
13bae84
20
Vigesimal
69615g
36
Base36
cbfd0
md5
553b8272d62933bcd50bff49e055fd4e
sha1
5e5410c02d110c4404ab3d176f1bc5eb9ac7e6fc
sha256
d0a95519b6a08bb93c5795ffc89c8789e9a9af923d6b2854f9291dc055adb66d
sha512
2954ff012384eab4c331dfbbe79e1bbd7f562e39c9a01f7568e1337228c84f69b13c0faed2230a8e8bf4fa4ed5b9d1c91151abca4e05bb9ae3400d0f0b112db2
ripemd-160
262bcfbf405f5b7691085344cf729a4db96bc368
Diameter
41377032
Circumference
129989779.75855
Area
1.3446478191856E+15
Volume
3.7091690562116E+22
Surface area
5.3785912767425E+15
Circumference
129989779.75855
Perimeter
82754064
Area
428014694282256
Diagonal
29257979.912573
Surface area
2568088165693536
Volume
8.8549888508936E+21
Space diagonal
35833560.845202
Perimeter
62065548
Area
1.8533579922073E+14
Altitude
17916780.422601
Surface area
1.8533579922073E+14
Volume
1.0435704439664E+21
Height
9752659.9708576