20685746 is an even 8-digits composite number following 20685745
and preceding 20685747 . In scientific notation, it is written as 2.0685746 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 10323940 positive integers (up to 20685746) that are relatively prime to 20685746.
20685746 has 8 divisors, whose sum is 31085424
The reverse of 20685746 is 64758602
Previous prime number is 563
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million six hundred eighty-five thousand seven hundred forty-six
Scientific notation
2.0685746 × 10^7
Engineering notation
2.0685746 × 10^6
Prime Factorization
2 × 563 × 18371
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20685746
Product of the distinct prime numbers
The prime factorization of 20685746 is 2 × 563 × 18371.
Since it has a total of 3 prime factors.
4 , 7 , 28 , 94 , 794 , 497 , 1858 , 2419 , 41391 , 81828 , 120041 , 980469 , 6667297 , 7746916 , 70378813 , 52331750 , 258444116 , 638102739 , 2052774385 , 5568078258
n×2
41371492
n×3
62057238
n×4
82742984
n×5
103428730
n÷2
10342873
n÷3
6895248.6666667
n÷3
5171436.5
n÷5
4137149.2
n2
427900087576516
n3
8.8514325249856E+21
n4
1.8309848494799E+29
n5
3.7875287526189E+36
2 √n
4548.1585284596
3 √n
274.50930014067
4 √n
67.440036539578
5 √n
29.049204072969
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20685745
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20685746 can be divided by 8 positive divisors.
The sum of these divisors (counting 20685746) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110111010001110110010
3
Ternary
1102220221111202
4
Quaternary
1032322032302
5
Quinary
20243420441
6
Senary
2015211202
8
Octal
116721662
10
Decimal
20685746
12
Duodecimal
6b16b02
16
Hexadecimal
13ba3b2
20
Vigesimal
695e76
36
Base36
cbd82
md5
07449d79bd980116e16fba11314db53b
sha1
6294915e5352ed998ed98c433eb01b0caca37c01
sha256
ee6c12bdd1e73683f650db85170faa2d8e7252c64ab948e3bf1fd407b9329920
sha512
8476a6ee6c7c2fdab65171a36e5eb37934883cd73ae851dd475781ac08e00a2fa4f6c01263c23b494c5d93a030309dc605659acea84c87fb2e77baee6ddc05da
ripemd-160
380e9bff79f83177f8aeafa1e2137e0dadc876d6
Diameter
41371492
Circumference
129972375.33525
Area
1.3442877716008E+15
Volume
3.7076793858987E+22
Surface area
5.3771510864032E+15
Circumference
129972375.33525
Perimeter
82742984
Area
427900087576516
Diagonal
29254062.541005
Surface area
2567400525459096
Volume
8.8514325249856E+21
Space diagonal
35828763.064465
Perimeter
62057238
Area
1.8528617306142E+14
Altitude
17914381.532232
Surface area
1.8528617306142E+14
Volume
1.0431513269387E+21
Height
9751354.180335