20943681 is an odd 8-digits composite number following 20943680
and preceding 20943682 . In scientific notation, it is written as 2.0943681 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 12024720 positive integers (up to 20943681) that are relatively prime to 20943681.
20943681 has 16 divisors, whose sum is 32067840
The reverse of 20943681 is 18634902
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million nine hundred forty-three thousand six hundred eighty-one
Scientific notation
2.0943681 × 10^7
Engineering notation
2.0943681 × 10^6
Prime Factorization
3 × 19 × 11 × 33403
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20943681
Product of the distinct prime numbers
The prime factorization of 20943681 is 3 × 19 × 11 × 33403.
Since it has a total of 4 prime factors.
1 , 10 , 59 , 34 , 837 , 28 , 2390 , 676 , 34031 , 99182 , 955034 , 799488 , 7069995 , 2552708 , 25977627 , 7562863 , 408718312 , 922396535 , 345852435 , 1591680518
n×2
41887362
n×3
62831043
n×4
83774724
n×5
104718405
n÷2
10471840.5
n÷3
6981227
n÷3
5235920.25
n÷5
4188736.2
n2
438637773829761
n3
9.1866896096407E+21
n4
1.9240309663033E+29
n5
4.0296290792378E+36
2 √n
4576.4266628014
3 √n
275.64556214573
4 √n
67.649291665186
5 √n
29.121289574446
1 , 3 , 11 , 19 , 33 , 57 , 209 , 627 , 33403 , 100209 , 367433 , 634657 , 1102299 , 1903971 , 6981227 , 20943681
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20943680
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20943681 can be divided by 16 positive divisors.
The sum of these divisors (counting 20943681) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111111001001101000001
3
Ternary
1110102001022220
4
Quaternary
1033321031001
5
Quinary
20330144211
6
Senary
2024521253
8
Octal
117711501
10
Decimal
20943681
12
Duodecimal
7020229
16
Hexadecimal
13f9341
20
Vigesimal
6ahj41
36
Base36
cgw8x
md5
208f3f2af666c16b22a35ca240ae1fb2
sha1
79463bc9f5301d9f5715362a9c5b3bcb3d65409f
sha256
7059a84a5d58784b7e5df7ca1ac98054b52ddbc9bcf41eedcec76ddc4316c7fe
sha512
ee17ca026beaa4d6d40d98a9f2b32b27d9dee23f297f26ca3011b2d09132f594e3807c3a19f0343bcb0086b148846650fd57ccb69ef47234af17894cf053b6a7
ripemd-160
ef27e36bd8cd308c28467eb5ccd554abd65bdc94
Diameter
41887362
Circumference
131593028.73746
Area
1.3780212078506E+15
Volume
3.8481115451276E+22
Surface area
5.5120848314022E+15
Circumference
131593028.73746
Perimeter
83774724
Area
438637773829761
Diagonal
29618837.716216
Surface area
2631826642978566
Volume
9.1866896096407E+21
Space diagonal
36275519.589515
Perimeter
62831043
Area
1.8993572759801E+14
Altitude
18137759.794757
Surface area
1.8993572759801E+14
Volume
1.0826617532722E+21
Height
9872945.9054052