20681664 is an even 8-digits composite number following 20681663
and preceding 20681665 . In scientific notation, it is written as 2.0681664 × 10^7.
The sum of its digits is 33. It has a total of 8 prime factors and 28 positive divisors.
There are 6893824 positive integers (up to 20681664) that are relatively prime to 20681664.
20681664 has 28 divisors, whose sum is 54720744
The reverse of 20681664 is 46618602
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million six hundred eighty-one thousand six hundred sixty-four
Scientific notation
2.0681664 × 10^7
Engineering notation
2.0681664 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 3 × 107717
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
646302
Product of the distinct prime numbers
The prime factorization of 20681664 is 2 × 2 × 2 × 2 × 2 × 2 × 3 × 107717.
Since it has a total of 8 prime factors.
3 , 9 , 74 , 39 , 515 , 274 , 7809 , 5339 , 74856 , 3189 , 11989 , 448579 , 8625857 , 8127391 , 31127638 , 15354258 , 886493350 , 448882384 , 4627968929 , 725400983
n×2
41363328
n×3
62044992
n×4
82726656
n×5
103408320
n÷2
10340832
n÷3
6893888
n÷3
5170416
n÷5
4136332.8
n2
427731225808896
n3
8.8461934944877E+21
n4
1.8295400153198E+29
n5
3.7837931871399E+36
2 √n
4547.7097532714
3 √n
274.49124228449
4 √n
67.43670924112
5 √n
29.048057503617
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 32 , 48 , 64 , 96 , 192 , 107717 , 215434 , 323151 , 430868 , 646302 , 861736 , 1292604 , 1723472 , 2585208 , 3446944 , 5170416 , 6893888 , 10340832 , 20681664
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20681663
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20681664 can be divided by 28 positive divisors.
The sum of these divisors (counting 20681664) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
1001110111001001111000000
3
Ternary
1102220201220120
4
Quaternary
1032321033000
5
Quinary
20243303124
6
Senary
2015140240
8
Octal
116711700
10
Decimal
20681664
12
Duodecimal
6b14680
16
Hexadecimal
13b93c0
20
Vigesimal
695434
36
Base36
cba2o
md5
431cab595636eaec3e49f2bdf425a760
sha1
78c92e25b9d8b0677fe98a9b6c603a2a3b5a118f
sha256
9f8f755e4da5660c00035c9372fd181397390812ac5215f8f30df0d66bc495cc
sha512
2693c0736cbc71a182f042d8d1d25250e8e17f2044a62791da5159213604c471797ecc6d4dd19794b5931b9957c1d7d4ef08dbcd4998d14847c60ab6ab11e0b2
ripemd-160
370b3c055b654e9325fab7362002296586f2ae27
Diameter
41363328
Circumference
129946727.37282
Area
1.3437572767122E+15
Volume
3.7054848659355E+22
Surface area
5.3750291068487E+15
Circumference
129946727.37282
Perimeter
82726656
Area
427731225808896
Diagonal
29248289.721243
Surface area
2566387354853376
Volume
8.8461934944877E+21
Space diagonal
35821692.833068
Perimeter
62044992
Area
1.8521305377118E+14
Altitude
17910846.416534
Surface area
1.8521305377118E+14
Volume
1.0425339012734E+21
Height
9749429.9070811