20291265 is an odd 8-digits composite number following 20291264
and preceding 20291266 . In scientific notation, it is written as 2.0291265 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 10821984 positive integers (up to 20291265) that are relatively prime to 20291265.
20291265 has 8 divisors, whose sum is 27055080
The reverse of 20291265 is 56219202
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million two hundred ninety-one thousand two hundred sixty-five
Scientific notation
2.0291265 × 10^7
Engineering notation
2.0291265 × 10^6
Prime Factorization
5 × 9 × 450917
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20291265
Product of the distinct prime numbers
The prime factorization of 20291265 is 5 × 9 × 450917.
Since it has a total of 3 prime factors.
8 , 10 , 15 , 37 , 362 , 470 , 2572 , 3147 , 15286 , 66906 , 298195 , 672626 , 8636723 , 7964912 , 64049224 , 50117661 , 308792620 , 943082196 , 4793526469 , 3474901736
n×2
40582530
n×3
60873795
n×4
81165060
n×5
101456325
n÷2
10145632.5
n÷3
6763755
n÷3
5072816.25
n÷5
4058253
n2
411735435300225
n3
8.3546328275672E+21
n4
1.6952606868187E+29
n5
3.4398983840319E+36
2 √n
4504.5826665741
3 √n
272.75310770414
4 √n
67.116187813181
5 √n
28.937554382929
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
-20291264
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 20291265 can be divided by 8 positive divisors.
The sum of these divisors (counting 20291265) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101011001111011000001
3
Ternary
1102011220101100
4
Quaternary
1031121323001
5
Quinary
20143310030
6
Senary
2002525013
8
Octal
115317301
10
Decimal
20291265
12
Duodecimal
6966769
16
Hexadecimal
1359ec1
20
Vigesimal
66g835
36
Base36
c2wu9
md5
c48c4f210a1e7c2cd81138b21089d55b
sha1
d5a02f7b42fce0cecf97c3611ae4307ef9a78fa1
sha256
175e9d56f666a2ea715479f434d449b68384514e0b5e5407acee5feb0bf5daee
sha512
8ec2310a231a680dfca085e6f15d723a9fe2cf2340df08932ba221d1f129aacfc78cdce09765f892f6d226e43f93ec820db2ca4638915c74997cb9cfe2ae4e76
ripemd-160
0ad287ac58c2948c42f107b3b300abcb76e58a4d
Diameter
40582530
Circumference
127493778.11209
Area
1.2935050187618E+15
Volume
3.49958041527E+22
Surface area
5.1740200750471E+15
Circumference
127493778.11209
Perimeter
81165060
Area
411735435300225
Diagonal
28696182.160707
Surface area
2470412611801350
Volume
8.3546328275672E+21
Space diagonal
35145501.929844
Perimeter
60873795
Area
1.7828667330412E+14
Altitude
17572750.964922
Surface area
1.7828667330412E+14
Volume
9.8460292111609E+20
Height
9565394.0535688