20689928 is an even 8-digits composite number following 20689927
and preceding 20689929 . In scientific notation, it is written as 2.0689928 × 10^7.
The sum of its digits is 44. It has a total of 6 prime factors and 32 positive divisors.
There are 8698560 positive integers (up to 20689928) that are relatively prime to 20689928.
20689928 has 32 divisors, whose sum is 45178560
The reverse of 20689928 is 82998602
Previous prime number is 53
Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8
Name
twenty million six hundred eighty-nine thousand nine hundred twenty-eight
Scientific notation
2.0689928 × 10^7
Engineering notation
2.0689928 × 10^6
Prime Factorization
2 × 2 × 2 × 7 × 53 × 6971
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5172482
Product of the distinct prime numbers
The prime factorization of 20689928 is 2 × 2 × 2 × 7 × 53 × 6971.
Since it has a total of 6 prime factors.
6 , 10 , 31 , 83 , 818 , 991 , 1613 , 6878 , 27907 , 33623 , 397611 , 661047 , 1807749 , 7242848 , 68314032 , 22840517 , 883937318 , 95406650 , 7195059280 , 8615503960
n×2
41379856
n×3
62069784
n×4
82759712
n×5
103449640
n÷2
10344964
n÷3
6896642.6666667
n÷3
5172482
n÷5
4137985.6
n2
428073120645184
n3
8.8568020448842E+21
n4
1.8324659661891E+29
n5
3.7913588902902E+36
2 √n
4548.6182517332
3 √n
274.52779791105
4 √n
67.443444838866
5 √n
29.050378543047
1 , 2 , 4 , 7 , 8 , 14 , 28 , 53 , 56 , 106 , 212 , 371 , 424 , 742 , 1484 , 2968 , 6971 , 13942 , 27884 , 48797 , 55768 , 97594 , 195188 , 369463 , 390376 , 738926 , 1477852 , 2586241 , 2955704 , 5172482 , 10344964 , 20689928
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20689927
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20689928 can be divided by 32 positive divisors.
The sum of these divisors (counting 20689928) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001110111011010000001000
3
Ternary
1102221011020122
4
Quaternary
1032323100020
5
Quinary
20244034203
6
Senary
2015242412
8
Octal
116732010
10
Decimal
20689928
12
Duodecimal
6b19408
16
Hexadecimal
13bb408
20
Vigesimal
6964g8
36
Base36
cbgg8
md5
ce92f277943db5e0416fe60a0455df36
sha1
b6cb7dfb94a8dc91c2b80a55b376225be0961896
sha256
81ef9ce6c48519bd998f9874979c77f78cf60f7b69246698b6fe20d1b8a21d8b
sha512
71e132fc1ce8624d740b9444cfb8152c3c866596f2dda5034b560483f9c342379a1660d5b2b4dad589cdca6aa25ffb3532b5c3bbd655f93bfd7936df7eeda1cb
ripemd-160
904f11d489436fe2c284699afe24e9ec7ca90f79
Diameter
41379856
Circumference
129998651.6162
Area
1.3448313710182E+15
Volume
3.7099285651343E+22
Surface area
5.3793254840727E+15
Circumference
129998651.6162
Perimeter
82759712
Area
428073120645184
Diagonal
29259976.782123
Surface area
2568438723871104
Volume
8.8568020448842E+21
Space diagonal
35836006.500942
Perimeter
62069784
Area
1.8536109857801E+14
Altitude
17918003.250471
Surface area
1.8536109857801E+14
Volume
1.0437841309274E+21
Height
9753325.5940409