20761565 is an odd 8-digits composite number following 20761564
and preceding 20761566 . In scientific notation, it is written as 2.0761565 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 14889600 positive integers (up to 20761565) that are relatively prime to 20761565.
20761565 has 16 divisors, whose sum is 27556416
The reverse of 20761565 is 56516702
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million seven hundred sixty-one thousand five hundred sixty-five
Scientific notation
2.0761565 × 10^7
Engineering notation
2.0761565 × 10^6
Prime Factorization
5 × 11 × 73 × 5171
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20761565
Product of the distinct prime numbers
The prime factorization of 20761565 is 5 × 11 × 73 × 5171.
Since it has a total of 4 prime factors.
7 , 2 , 44 , 33 , 747 , 299 , 9938 , 2992 , 19313 , 66542 , 34047 , 109655 , 2583608 , 7766996 , 93496883 , 17445333 , 223688930 , 833490167 , 7714388017 , 7830936318
n×2
41523130
n×3
62284695
n×4
83046260
n×5
103807825
n÷2
10380782.5
n÷3
6920521.6666667
n÷3
5190391.25
n÷5
4152313
n2
431042581249225
n3
8.9491185683736E+21
n4
1.8579770684999E+29
n5
3.8574511676171E+36
2 √n
4556.4860364101
3 √n
274.84427547072
4 √n
67.501748395209
5 √n
29.070467600078
1 , 5 , 11 , 55 , 73 , 365 , 803 , 4015 , 5171 , 25855 , 56881 , 284405 , 377483 , 1887415 , 4152313 , 20761565
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
-20761564
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 20761565 can be divided by 16 positive divisors.
The sum of these divisors (counting 20761565) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111001100101111011101
3
Ternary
1110001210111212
4
Quaternary
1033030233131
5
Quinary
20303332230
6
Senary
2020554205
8
Octal
117145735
10
Decimal
20761565
12
Duodecimal
6b52965
16
Hexadecimal
13ccbdd
20
Vigesimal
69f3i5
36
Base36
cczq5
md5
bfe8afb26e670c4add359b8200001479
sha1
0f2e79f13b84d01a1faa24f9662419173ef88294
sha256
6ed1b2854fb1df3d535bb55aff9eca1690d365968a14bae3138828e925393d59
sha512
85458e844d0e8a24038d8c6545a963539fab21dd0c53bf1af37284a7a42cb3c75b93a8a33fa4ac16c054634563e2013249513e9b1a9f941930f58d2b8560613a
ripemd-160
dc331691ce8dd27c1442278e0138ecb2e00f2a9b
Diameter
41523130
Circumference
130448760.16205
Area
1.3541602066369E+15
Volume
3.7485980200675E+22
Surface area
5.4166408265478E+15
Circumference
130448760.16205
Perimeter
83046260
Area
431042581249225
Diagonal
29361286.799091
Surface area
2586255487495350
Volume
8.9491185683736E+21
Space diagonal
35960085.424644
Perimeter
62284695
Area
1.8664691273732E+14
Altitude
17980042.712322
Surface area
1.8664691273732E+14
Volume
1.0546637375566E+21
Height
9787095.5996969