20789894 is an even 8-digits composite number following 20789893
and preceding 20789895 . In scientific notation, it is written as 2.0789894 × 10^7.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 10394946 positive integers (up to 20789894) that are relatively prime to 20789894.
20789894 has 4 divisors, whose sum is 31184844
The reverse of 20789894 is 49898702
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
twenty million seven hundred eighty-nine thousand eight hundred ninety-four
Scientific notation
2.0789894 × 10^7
Engineering notation
2.0789894 × 10^6
Prime Factorization
2 × 10394947
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20789894
Product of the distinct prime numbers
The prime factorization of 20789894 is 2 × 10394947.
Since it has a total of 2 prime factors.
4 , 3 , 82 , 83 , 606 , 861 , 5358 , 1632 , 15113 , 73913 , 658315 , 169466 , 8586441 , 8993167 , 9673998 , 78269732 , 620468347 , 161907439 , 4480792190 , 9751140600
n×2
41579788
n×3
62369682
n×4
83159576
n×5
103949470
n÷2
10394947
n÷3
6929964.6666667
n÷3
5197473.5
n÷5
4157978.8
n2
432219692531236
n3
8.985801592437E+21
n4
1.868138626118E+29
n5
3.8838404014298E+36
2 √n
4559.5936222431
3 √n
274.96922630849
4 √n
67.524763029892
5 √n
29.078396560733
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20789893
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20789894 can be divided by 4 positive divisors.
The sum of these divisors (counting 20789894) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111010011101010000110
3
Ternary
1110010020101002
4
Quaternary
1033103222012
5
Quinary
20310234034
6
Senary
2021333302
8
Octal
117235206
10
Decimal
20789894
12
Duodecimal
6b67232
16
Hexadecimal
13d3a86
20
Vigesimal
69ieee
36
Base36
cdll2
md5
a1be4e7e65749dbec6086dfe224b5b72
sha1
b727d99dc74634ade5e250c49e99ae6984d10e5e
sha256
c14dc6a4fd259435390c8810760828247ab3031d03b006989888949c5e627bc9
sha512
1d1388a0051079927d6a64ef9d7d5dc3923eced0c676f66869b912a60d7a835239fee044d1cce3b4b60c0c367b6b4866550a17c5cea7c7031393ab9ab7cfa67d
ripemd-160
8f26b5062f7a688ee9753c2b7f75cd1aee942335
Diameter
41579788
Circumference
130626756.51862
Area
1.357858210793E+15
Volume
3.7639637692554E+22
Surface area
5.4314328431719E+15
Circumference
130626756.51862
Perimeter
83159576
Area
432219692531236
Diagonal
29401350.055099
Surface area
2593318155187416
Volume
8.985801592437E+21
Space diagonal
36009152.691971
Perimeter
62369682
Area
1.8715661687397E+14
Altitude
18004576.345986
Surface area
1.8715661687397E+14
Volume
1.0589868734015E+21
Height
9800450.0183663