20789931 is an odd 8-digits composite number following 20789930
and preceding 20789932 . In scientific notation, it is written as 2.0789931 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 13842920 positive integers (up to 20789931) that are relatively prime to 20789931.
20789931 has 8 divisors, whose sum is 27753984
The reverse of 20789931 is 13998702
Previous prime number is 911
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty million seven hundred eighty-nine thousand nine hundred thirty-one
Scientific notation
2.0789931 × 10^7
Engineering notation
2.0789931 × 10^6
Prime Factorization
3 × 911 × 7607
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20789931
Product of the distinct prime numbers
The prime factorization of 20789931 is 3 × 911 × 7607.
Since it has a total of 3 prime factors.
1 , 5 , 55 , 61 , 509 , 112 , 4947 , 4089 , 62330 , 36238 , 566831 , 938605 , 4248850 , 3977704 , 53154055 , 38891193 , 859502338 , 160812226 , 3686718262 , 969827070
n×2
41579862
n×3
62369793
n×4
83159724
n×5
103949655
n÷2
10394965.5
n÷3
6929977
n÷3
5197482.75
n÷5
4157986.2
n2
432221230984761
n3
8.9858495689082E+21
n4
1.8681519251398E+29
n5
3.8838749621174E+36
2 √n
4559.5976796204
3 √n
274.96938943029
4 √n
67.524793073511
5 √n
29.078406910953
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
-20789930
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 20789931 can be divided by 8 positive divisors.
The sum of these divisors (counting 20789931) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111010011101010101011
3
Ternary
1110010020102110
4
Quaternary
1033103222223
5
Quinary
20310234211
6
Senary
2021333403
8
Octal
117235253
10
Decimal
20789931
12
Duodecimal
6b67263
16
Hexadecimal
13d3aab
20
Vigesimal
69iegb
36
Base36
cdlm3
md5
88976ea8420842fac2e22522cf7f3614
sha1
46093ea64f847f5d982b401ee31118b18bf314ef
sha256
83ea058eaa8806c02b4db46b993fd13d31fc5d01e2e21ccd613ec3b07c4a73a6
sha512
fafe4e3a8be4ae798854947799c4d0fdcda435a7929bff59a0c2cdfb5d774572afa2c2afea9edf30f0bb8743347337fcad3f58e2de360bb7626c5110ec28f2dd
ripemd-160
e493b5f1567241ac16f2fe5e006c6ce76984911b
Diameter
41579862
Circumference
130626988.99648
Area
1.3578630439873E+15
Volume
3.7639838655927E+22
Surface area
5.431452175949E+15
Circumference
130626988.99648
Perimeter
83159724
Area
432221230984761
Diagonal
29401402.381001
Surface area
2593327385908566
Volume
8.9858495689082E+21
Space diagonal
36009216.777851
Perimeter
62369793
Area
1.8715728304389E+14
Altitude
18004608.388926
Surface area
1.8715728304389E+14
Volume
1.0589925274829E+21
Height
9800467.4603336