20688057 is an odd 8-digits composite number following 20688056
and preceding 20688058 . In scientific notation, it is written as 2.0688057 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors.
There are 12636000 positive integers (up to 20688057) that are relatively prime to 20688057.
20688057 has 24 divisors, whose sum is 32422208
The reverse of 20688057 is 75088602
Previous prime number is 151
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million six hundred eighty-eight thousand fifty-seven
Scientific notation
2.0688057 × 10^7
Engineering notation
2.0688057 × 10^6
Prime Factorization
13 × 3 × 3 × 151 × 1171
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
6896019
Product of the distinct prime numbers
The prime factorization of 20688057 is 13 × 3 × 3 × 151 × 1171.
Since it has a total of 5 prime factors.
2 , 10 , 45 , 28 , 33 , 204 , 1470 , 159 , 17886 , 63256 , 601470 , 307774 , 436218 , 6032473 , 97548542 , 22961669 , 106620182 , 527359231 , 8313240588 , 2745362736
n×2
41376114
n×3
62064171
n×4
82752228
n×5
103440285
n÷2
10344028.5
n÷3
6896019
n÷3
5172014.25
n÷5
4137611.4
n2
427995702435249
n3
8.8543994877355E+21
n4
1.8318032130304E+29
n5
3.7896449283957E+36
2 √n
4548.4125802306
3 √n
274.51952243527
4 √n
67.441920051483
5 √n
29.049853116139
1 , 3 , 9 , 13 , 39 , 117 , 151 , 453 , 1171 , 1359 , 1963 , 3513 , 5889 , 10539 , 15223 , 17667 , 45669 , 137007 , 176821 , 530463 , 1591389 , 2298673 , 6896019 , 20688057
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
-20688056
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 20688057 can be divided by 24 positive divisors.
The sum of these divisors (counting 20688057) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001110111010110010111001
3
Ternary
1102221001200100
4
Quaternary
1032322302321
5
Quinary
20244004212
6
Senary
2015230013
8
Octal
116726271
10
Decimal
20688057
12
Duodecimal
6b18309
16
Hexadecimal
13bacb9
20
Vigesimal
69602h
36
Base36
cbf09
md5
488a75aa56958359c4482a88b04095a7
sha1
1d4d55d1b8e0717f2753ee83f35f2d7b990331d4
sha256
96aa977f97d7fb945403f32183ad62f6d8b796722aa824a5fa140355f45c8217
sha512
181c3b3adb2c1144f56fb0408772d92f81a54328f040d045b90278d2ef531838b9950c3a470ce35bc12338366eb544844c0bbe1247ea37567a3605718940a990
ripemd-160
5dea92e8d507fa674dd93577199a82362913414c
Diameter
41376114
Circumference
129986895.77649
Area
1.3445881545386E+15
Volume
3.7089221843492E+22
Surface area
5.3783526181543E+15
Circumference
129986895.77649
Perimeter
82752228
Area
427995702435249
Diagonal
29257330.788548
Surface area
2567974214611494
Volume
8.8543994877355E+21
Space diagonal
35832765.833881
Perimeter
62064171
Area
1.8532757550975E+14
Altitude
17916382.91694
Surface area
1.8532757550975E+14
Volume
1.0435009868521E+21
Height
9752443.5961825