20591909 is an odd 8-digits composite number following 20591908
and preceding 20591910 . In scientific notation, it is written as 2.0591909 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 18922176 positive integers (up to 20591909) that are relatively prime to 20591909.
20591909 has 8 divisors, whose sum is 22275960
The reverse of 20591909 is 90919502
Previous prime number is 229
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million five hundred ninety-one thousand nine hundred nine
Scientific notation
2.0591909 × 10^7
Engineering notation
2.0591909 × 10^6
Prime Factorization
13 × 229 × 6917
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20591909
Product of the distinct prime numbers
The prime factorization of 20591909 is 13 × 229 × 6917.
Since it has a total of 3 prime factors.
4 , 7 , 58 , 84 , 147 , 801 , 753 , 1981 , 86987 , 96303 , 425326 , 653133 , 631836 , 7979043 , 36054593 , 29167338 , 739444545 , 738036740 , 6471553901 , 6186268216
n×2
41183818
n×3
61775727
n×4
82367636
n×5
102959545
n÷2
10295954.5
n÷3
6863969.6666667
n÷3
5147977.25
n÷5
4118381.8
n2
424026716264281
n3
8.7315195548829E+21
n4
1.7979865610587E+29
n5
3.7023975648544E+36
2 √n
4537.8308694794
3 √n
274.09358427944
4 √n
67.363423825392
5 √n
29.022800868913
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
-20591908
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 20591909 can be divided by 8 positive divisors.
The sum of these divisors (counting 20591909) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110100011010100100101
3
Ternary
1102202011210022
4
Quaternary
1032203110211
5
Quinary
20232420114
6
Senary
2013204525
8
Octal
116432445
10
Decimal
20591909
12
Duodecimal
6a90745
16
Hexadecimal
13a3525
20
Vigesimal
68djf9
36
Base36
c9cth
md5
6e7356962d2edad2ebe7170e0288e821
sha1
c2467f5bb867ecd2ba032f2427c6468bc50df0c5
sha256
3d60477d94b1a51f75d217df7314f763ae0608b8b65819cedf1386620853e6d8
sha512
ccbfcbf8aa5c74c55e075932d928ab2270065a4a1465c4a8c6e36fe34f2f9e798b2839d627f907d9ba711d9722c91833715d480035a75059828a9a508145f203
ripemd-160
3532ebbfdd6feb4a2878067fc9dd24b48bef4f95
Diameter
41183818
Circumference
129382780.07558
Area
1.3321192167417E+15
Volume
3.6574503584394E+22
Surface area
5.3284768669667E+15
Circumference
129382780.07558
Perimeter
82367636
Area
424026716264281
Diagonal
29121356.982953
Surface area
2544160297585686
Volume
8.7315195548829E+21
Space diagonal
35666232.612835
Perimeter
61775727
Area
1.8360895408408E+14
Altitude
17833116.306417
Surface area
1.8360895408408E+14
Volume
1.0290194478868E+21
Height
9707118.9943175