20688746 is an even 8-digits composite number following 20688745
and preceding 20688747 . In scientific notation, it is written as 2.0688746 × 10^7.
The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors.
There are 9432624 positive integers (up to 20688746) that are relatively prime to 20688746.
20688746 has 16 divisors, whose sum is 33826464
The reverse of 20688746 is 64788602
Previous prime number is 83
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty million six hundred eighty-eight thousand seven hundred forty-six
Scientific notation
2.0688746 × 10^7
Engineering notation
2.0688746 × 10^6
Prime Factorization
2 × 13 × 83 × 9587
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20688746
Product of the distinct prime numbers
The prime factorization of 20688746 is 2 × 13 × 83 × 9587.
Since it has a total of 4 prime factors.
6 , 2 , 94 , 74 , 165 , 490 , 7565 , 5228 , 39437 , 85624 , 454182 , 320401 , 2107169 , 125393 , 99821765 , 67655635 , 8299492 , 481260380 , 8519231870 , 6312277915
n×2
41377492
n×3
62066238
n×4
82754984
n×5
103443730
n÷2
10344373
n÷3
6896248.6666667
n÷3
5172186.5
n÷5
4137749.2
n2
428024211052516
n3
8.8552841843159E+21
n4
1.8320472524713E+29
n5
3.7902760266376E+36
2 √n
4548.4883203104
3 √n
274.52256995606
4 √n
67.44248156993
5 √n
29.050046610213
1 , 2 , 13 , 26 , 83 , 166 , 1079 , 2158 , 9587 , 19174 , 124631 , 249262 , 795721 , 1591442 , 10344373 , 20688746
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
-20688745
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 20688746 can be divided by 16 positive divisors.
The sum of these divisors (counting 20688746) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110111010111101101010
3
Ternary
1102221002121212
4
Quaternary
1032322331222
5
Quinary
20244014441
6
Senary
2015233122
8
Octal
116727552
10
Decimal
20688746
12
Duodecimal
6b187a2
16
Hexadecimal
13baf6a
20
Vigesimal
6961h6
36
Base36
cbfje
md5
aa678005ad8ec3792ad3056ca1b9c8b4
sha1
a3700b826c65b60f3f69b81d84398e34902b8999
sha256
44c64b274a6487986a5fa42e1089b6f90d562c0a8d1d5460c849d579044b25d8
sha512
831ac607e704289354260478df305858e41c43c5be483d7df31bdefb7bfd173986d14679eaf8e07297ddbbc7bb617da6ad7714fd0150e3e67a8bcb88773d0645
ripemd-160
da03ecb6ad3b927333e8fc0d2fb55a00a3188c4d
Diameter
41377492
Circumference
129991224.89117
Area
1.3446777170012E+15
Volume
3.7092927651862E+22
Surface area
5.3787108680046E+15
Circumference
129991224.89117
Perimeter
82754984
Area
428024211052516
Diagonal
29258305.181692
Surface area
2568145266315096
Volume
8.8552841843159E+21
Space diagonal
35833959.216887
Perimeter
62066238
Area
1.8533992010314E+14
Altitude
17916979.608444
Surface area
1.8533992010314E+14
Volume
1.043605249344E+21
Height
9752768.3938974