20761209 is an odd 8-digits composite number following 20761208
and preceding 20761210 . In scientific notation, it is written as 2.0761209 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors.
There are 11782368 positive integers (up to 20761209) that are relatively prime to 20761209.
20761209 has 24 divisors, whose sum is 34507200
The reverse of 20761209 is 90216702
Previous prime number is 157
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million seven hundred sixty-one thousand two hundred nine
Scientific notation
2.0761209 × 10^7
Engineering notation
2.0761209 × 10^6
Prime Factorization
3 × 3 × 7 × 157 × 2099
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
6920403
Product of the distinct prime numbers
The prime factorization of 20761209 is 3 × 3 × 7 × 157 × 2099.
Since it has a total of 5 prime factors.
10 , 10 , 19 , 99 , 54 , 596 , 8695 , 1895 , 9662 , 26398 , 330184 , 422089 , 757424 , 1522474 , 96710512 , 79006759 , 488360253 , 464478567 , 9552436724 , 5930177003
n×2
41522418
n×3
62283627
n×4
83044836
n×5
103806045
n÷2
10380604.5
n÷3
6920403
n÷3
5190302.25
n÷5
4152241.8
n2
431027799141681
n3
8.9486582227905E+21
n4
1.8578496363292E+29
n5
3.8571204590405E+36
2 √n
4556.446971051
3 √n
274.8427045371
4 √n
67.501459029054
5 √n
29.070367904728
1 , 3 , 7 , 9 , 21 , 63 , 157 , 471 , 1099 , 1413 , 2099 , 3297 , 6297 , 9891 , 14693 , 18891 , 44079 , 132237 , 329543 , 988629 , 2306801 , 2965887 , 6920403 , 20761209
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20761208
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20761209 can be divided by 24 positive divisors.
The sum of these divisors (counting 20761209) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001111001100101001111001
3
Ternary
1110001210000200
4
Quaternary
1033030221321
5
Quinary
20303324314
6
Senary
2020552413
8
Octal
117145171
10
Decimal
20761209
12
Duodecimal
6b52709
16
Hexadecimal
13cca79
20
Vigesimal
69f309
36
Base36
cczg9
md5
db6403657e7d041bc75dc834e2888b8e
sha1
51e6d917b8273da5056a06041db0fe52b368d30b
sha256
cf2094262ee94c6000d04d0a3c773d2de4a8e12e6a901cf151c55b2ce9d6a8b8
sha512
c0cd56c6005d9806b65bb9027d0dcf17e1aefcbf9d3ecb233d3e86040d72af74aa7fb49d4fa944d5e1065effe334288f6892008177ab2752a4a43c50c3b50a0b
ripemd-160
d356c95a1e367238cb62aad62d15473340a0a6f0
Diameter
41522418
Circumference
130446523.34808
Area
1.3541137672765E+15
Volume
3.7484051909606E+22
Surface area
5.4164550691059E+15
Circumference
130446523.34808
Perimeter
83044836
Area
431027799141681
Diagonal
29360783.339062
Surface area
2586166794850086
Volume
8.9486582227905E+21
Space diagonal
35959468.814556
Perimeter
62283627
Area
1.86640511897E+14
Altitude
17979734.407278
Surface area
1.86640511897E+14
Volume
1.0546094853093E+21
Height
9786927.7796875