20091305 is an odd 8-digits composite number following 20091304
and preceding 20091306 . In scientific notation, it is written as 2.0091305 × 10^7.
The sum of its digits is 20. It has a total of 5 prime factors and 32 positive divisors.
There are 13939200 positive integers (up to 20091305) that are relatively prime to 20091305.
20091305 has 32 divisors, whose sum is 27578880
The reverse of 20091305 is 50319002
Previous prime number is 89
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million ninety-one thousand three hundred five
Scientific notation
2.0091305 × 10^7
Engineering notation
2.0091305 × 10^6
Prime Factorization
13 × 5 × 23 × 89 × 151
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20091305
Product of the distinct prime numbers
The prime factorization of 20091305 is 13 × 5 × 23 × 89 × 151.
Since it has a total of 5 prime factors.
4 , 4 , 34 , 7 , 183 , 661 , 7629 , 8393 , 71297 , 35683 , 358006 , 20144 , 9699866 , 3343356 , 66463056 , 75242080 , 71379934 , 223414529 , 5040943412 , 4821546344
n×2
40182610
n×3
60273915
n×4
80365220
n×5
100456525
n÷2
10045652.5
n÷3
6697101.6666667
n÷3
5022826.25
n÷5
4018261
n2
403660536603025
n3
8.110066957355E+21
n4
1.6294182881064E+29
n5
3.2737139798924E+36
2 √n
4482.3325400956
3 √n
271.85420116576
4 √n
66.950224346865
5 √n
28.880295283618
1 , 5 , 13 , 23 , 65 , 89 , 115 , 151 , 299 , 445 , 755 , 1157 , 1495 , 1963 , 2047 , 3473 , 5785 , 9815 , 10235 , 13439 , 17365 , 26611 , 45149 , 67195 , 133055 , 174707 , 225745 , 309097 , 873535 , 1545485 , 4018261 , 20091305
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20091304
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20091305 can be divided by 32 positive divisors.
The sum of these divisors (counting 20091305) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100101001000110101001
3
Ternary
1101210202002102
4
Quaternary
1030221012221
5
Quinary
20120410210
6
Senary
1554343145
8
Octal
114510651
10
Decimal
20091305
12
Duodecimal
688aab5
16
Hexadecimal
13291a9
20
Vigesimal
65b855
36
Base36
bymjt
md5
412ec1beb9b4e2ca186f44c93fc2a28f
sha1
2b19b12ead4535369e930e92ee71c7c80ff372bb
sha256
d7b92af7229a2bd0c88972996dc0e1cfae2c8315c1d662d43ecca6191f6a9b26
sha512
ea3b45063bc4862282f14de875a17c1ff9af6ad21f05ea402b063d7062335fb3ddc84be259af3752c893516a95b698f9e6fcef43e586b2e36f6ee3ebafa9e59f
ripemd-160
6ba098b5932d689a077dcdb526d0e3e00c29385e
Diameter
40182610
Circumference
126237392.37806
Area
1.2681369763362E+15
Volume
3.3971369031131E+22
Surface area
5.0725479053447E+15
Circumference
126237392.37806
Perimeter
80365220
Area
403660536603025
Diagonal
28413396.016774
Surface area
2421963219618150
Volume
8.110066957355E+21
Space diagonal
34799161.050363
Perimeter
60273915
Area
1.7479013960174E+14
Altitude
17399580.525181
Surface area
1.7479013960174E+14
Volume
9.5578055690378E+20
Height
9471132.0055915