20512261 is an odd 8-digits composite number following 20512260
and preceding 20512262 . In scientific notation, it is written as 2.0512261 × 10^7.
The sum of its digits is 19. It has a total of 4 prime factors and 16 positive divisors.
There are 15908400 positive integers (up to 20512261) that are relatively prime to 20512261.
20512261 has 16 divisors, whose sum is 25694208
The reverse of 20512261 is 16221502
Previous prime number is 983
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty million five hundred twelve thousand two hundred sixty-one
Scientific notation
2.0512261 × 10^7
Engineering notation
2.0512261 × 10^6
Prime Factorization
7 × 11 × 983 × 271
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20512261
Product of the distinct prime numbers
The prime factorization of 20512261 is 7 × 11 × 983 × 271.
Since it has a total of 4 prime factors.
9 , 7 , 4 , 82 , 257 , 941 , 7849 , 4929 , 39611 , 15618 , 807227 , 360831 , 4391970 , 2396987 , 37028317 , 65201952 , 586992306 , 437715228 , 6933042042 , 4051396033
n×2
41024522
n×3
61536783
n×4
82049044
n×5
102561305
n÷2
10256130.5
n÷3
6837420.3333333
n÷3
5128065.25
n÷5
4102452.2
n2
420752851332121
n3
8.6305923030187E+21
n4
1.7703296190411E+29
n5
3.6313463201802E+36
2 √n
4529.0463676143
3 √n
273.73973634573
4 √n
67.298189928216
5 √n
29.000314436804
1 , 7 , 11 , 77 , 271 , 983 , 1897 , 2981 , 6881 , 10813 , 20867 , 75691 , 266393 , 1864751 , 2930323 , 20512261
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20512260
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20512261 can be divided by 16 positive divisors.
The sum of these divisors (counting 20512261) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110001111111000000101
3
Ternary
1102121010112101
4
Quaternary
1032033320011
5
Quinary
20222343021
6
Senary
2011352101
8
Octal
116177005
10
Decimal
20512261
12
Duodecimal
6a52631
16
Hexadecimal
138fe05
20
Vigesimal
6840d1
36
Base36
c7nd1
md5
258fbec9875f2ee81c6b690e79dfc95f
sha1
00a6b243cbfcc513e773e6740b6d1445ac6334a1
sha256
7bd66c3a38e1646a747abab0702ef4ee1f90e9461e51f8b8ba0f37dc9c228d7c
sha512
032077ead77eef2558897a1f824669cfe3de4e21b0ad53ee4ce0febb7d7cdf13cf150a115f807198acf87fc65a303b98eef171cf8cd5656c452c91ce96784cc9
ripemd-160
5c45fb4e38df1f8fbf76973738e2f854ae79ae7f
Diameter
41024522
Circumference
128882336.93223
Area
1.3218340667219E+15
Volume
3.6151740500389E+22
Surface area
5.2873362668878E+15
Circumference
128882336.93223
Perimeter
82049044
Area
420752851332121
Diagonal
29008717.701137
Surface area
2524517107992726
Volume
8.6305923030187E+21
Space diagonal
35528278.230114
Perimeter
61536783
Area
1.8219132898418E+14
Altitude
17764139.115057
Surface area
1.8219132898418E+14
Volume
1.0171250571868E+21
Height
9669572.5670456