21131684 is an even 8-digits composite number following 21131683
and preceding 21131685 . In scientific notation, it is written as 2.1131684 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 12 positive divisors.
There are 9056424 positive integers (up to 21131684) that are relatively prime to 21131684.
21131684 has 12 divisors, whose sum is 42263424
The reverse of 21131684 is 48613112
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million one hundred thirty-one thousand six hundred eighty-four
Scientific notation
2.1131684 × 10^7
Engineering notation
2.1131684 × 10^6
Prime Factorization
2 × 2 × 7 × 754703
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10565842
Product of the distinct prime numbers
The prime factorization of 21131684 is 2 × 2 × 7 × 754703.
Since it has a total of 4 prime factors.
7 , 1 , 53 , 26 , 250 , 975 , 7081 , 156 , 61015 , 41635 , 349245 , 984866 , 9874292 , 1587695 , 77955304 , 78164776 , 988642651 , 451452337 , 8540529842 , 1692895078
n×2
42263368
n×3
63395052
n×4
84526736
n×5
105658420
n÷2
10565842
n÷3
7043894.6666667
n÷3
5282921
n÷5
4226336.8
n2
446548068675856
n3
9.4363126780685E+21
n4
1.9940517763814E+29
n5
4.213767201813E+36
2 √n
4596.9211435481
3 √n
276.46789290016
4 √n
67.800598401107
5 √n
29.173384873918
1 , 2 , 4 , 7 , 14 , 28 , 754703 , 1509406 , 3018812 , 5282921 , 10565842 , 21131684
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21131683
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21131684 can be divided by 12 positive divisors.
The sum of these divisors (counting 21131684) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000100111000110100100
3
Ternary
1110202121012222
4
Quaternary
1100213012210
5
Quinary
20402203214
6
Senary
2032531512
8
Octal
120470644
10
Decimal
21131684
12
Duodecimal
70b0b98
16
Hexadecimal
14271a4
20
Vigesimal
6c1944
36
Base36
ckxb8
md5
43736e9254f8b2fb694ee863f7b6fd3d
sha1
9c40f2303806050f0c73e2b1df79a26b9542e936
sha256
f32abee90ebdb08322d1ef8234ca57bd8fb91e011f5fe8b9a42a7996f5202662
sha512
5aa2b17d148a9ecd45bd99f1f08e4887927d6f85337a93ebc6670dde6d1cdf3dcdd3e8e2f80614d52ad8bb94f732cc16c3c0b3f6c35cd35a738902ea2442d855
ripemd-160
fe6c98a297c8505c1e4e209bd41950eeff8b29c6
Diameter
42263368
Circumference
132774286.42476
Area
1.4028721320268E+15
Volume
3.9526734115195E+22
Surface area
5.6114885281071E+15
Circumference
132774286.42476
Perimeter
84526736
Area
446548068675856
Diagonal
29884714.108583
Surface area
2679288412055136
Volume
9.4363126780685E+21
Space diagonal
36601150.33749
Perimeter
63395052
Area
1.9336098574208E+14
Altitude
18300575.168745
Surface area
1.9336098574208E+14
Volume
1.1120801140098E+21
Height
9961571.3695275