20789945 is an odd 8-digits composite number following 20789944
and preceding 20789946 . In scientific notation, it is written as 2.0789945 × 10^7.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 15119920 positive integers (up to 20789945) that are relatively prime to 20789945.
20789945 has 8 divisors, whose sum is 27216000
The reverse of 20789945 is 54998702
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
twenty million seven hundred eighty-nine thousand nine hundred forty-five
Scientific notation
2.0789945 × 10^7
Engineering notation
2.0789945 × 10^6
Prime Factorization
5 × 11 × 377999
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20789945
Product of the distinct prime numbers
The prime factorization of 20789945 is 5 × 11 × 377999.
Since it has a total of 3 prime factors.
6 , 5 , 19 , 60 , 99 , 83 , 1728 , 5306 , 59661 , 55310 , 656606 , 478133 , 9343840 , 3201557 , 85084728 , 11025372 , 189378731 , 51765838 , 7961167089 , 4098006827
n×2
41579890
n×3
62369835
n×4
83159780
n×5
103949725
n÷2
10394972.5
n÷3
6929981.6666667
n÷3
5197486.25
n÷5
4157989
n2
432221813103025
n3
8.9858677222122E+21
n4
1.8681569572207E+29
n5
3.8838880391985E+36
2 √n
4559.5992148433
3 √n
274.96945115201
4 √n
67.524804441356
5 √n
29.078410827249
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
-20789944
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 20789945 can be divided by 8 positive divisors.
The sum of these divisors (counting 20789945) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111010011101010111001
3
Ternary
1110010020102222
4
Quaternary
1033103222321
5
Quinary
20310234240
6
Senary
2021333425
8
Octal
117235271
10
Decimal
20789945
12
Duodecimal
6b67275
16
Hexadecimal
13d3ab9
20
Vigesimal
69ieh5
36
Base36
cdlmh
md5
db72cd2050aadf96e3c4a76adbd0cfde
sha1
83159db44a0520f663fd5ae5f33d052f6a466a70
sha256
d48a4ba926c4cc11029c3c8f0217e683ecdeac3aed5f0e31b6a4b57332036e4b
sha512
583f78a6642574ad5f16a4c1b2d17385016a8473db98202ee7e2900cea30709483acda54867668bd45513c76ba526bc23bc3f5a9c77c81b68bbd3111cbd0a7a4
ripemd-160
965b890a17063ee53dbf9ea0f841885c82ee3f4f
Diameter
41579890
Circumference
130627076.96107
Area
1.3578648727657E+15
Volume
3.7639914696309E+22
Surface area
5.4314594910629E+15
Circumference
130627076.96107
Perimeter
83159780
Area
432221813103025
Diagonal
29401422.179991
Surface area
2593330878618150
Volume
8.9858677222122E+21
Space diagonal
36009241.026563
Perimeter
62369835
Area
1.8715753510849E+14
Altitude
18004620.513281
Surface area
1.8715753510849E+14
Volume
1.0589946668703E+21
Height
9800474.0599969