20807513 is an odd 8-digits composite number following 20807512
and preceding 20807514 . In scientific notation, it is written as 2.0807513 × 10^7.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 20798388 positive integers (up to 20807513) that are relatively prime to 20807513.
20807513 has 4 divisors, whose sum is 20816640
The reverse of 20807513 is 31570802
Previous prime number is 4447
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million eight hundred seven thousand five hundred thirteen
Scientific notation
2.0807513 × 10^7
Engineering notation
2.0807513 × 10^6
Prime Factorization
4447 × 4679
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20807513
Product of the distinct prime numbers
The prime factorization of 20807513 is 4447 × 4679.
Since it has a total of 2 prime factors.
2 , 1 , 7 , 7 , 144 , 956 , 6901 , 512 , 70914 , 30018 , 141338 , 344900 , 8354976 , 2753474 , 85587713 , 23819631 , 304057126 , 390464228 , 1341621370 , 6428937840
n×2
41615026
n×3
62422539
n×4
83230052
n×5
104037565
n÷2
10403756.5
n÷3
6935837.6666667
n÷3
5201878.25
n÷5
4161502.6
n2
432952597245169
n3
9.0086667955626E+21
n4
1.8744795146134E+29
n5
3.9003256868551E+36
2 √n
4561.5252931448
3 √n
275.04688126355
4 √n
67.539064941298
5 √n
29.083323557291
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20807512
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20807513 can be divided by 4 positive divisors.
The sum of these divisors (counting 20807513) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111010111111101011001
3
Ternary
1110011010112122
4
Quaternary
1033113331121
5
Quinary
20311320023
6
Senary
2021551025
8
Octal
117277531
10
Decimal
20807513
12
Duodecimal
6b75475
16
Hexadecimal
13d7f59
20
Vigesimal
6a0ifd
36
Base36
cdz6h
md5
6656dae5d051c0b2c674d8997b853940
sha1
4114239eff02e4c8ac8bf9262536a16554c86ebe
sha256
6c7d5b32405d57c81a0c3ccb968e957cef46ff835e8ea714988529b3eac6a9d2
sha512
b5787c047d39ba90546b506c116ffc2b503c0744185b1eefc5cb85e66b398374a865d5394bbb28a085b7b170e5deb843ad85bcaf0cee98c92bdfb1674df99168
ripemd-160
f61ab0ee061148aac9b5f5f5e3fb7677259f2033
Diameter
41615026
Circumference
130737459.96055
Area
1.360160698858E+15
Volume
3.7735415231437E+22
Surface area
5.4406427954322E+15
Circumference
130737459.96055
Perimeter
83230052
Area
432952597245169
Diagonal
29426267.083854
Surface area
2597715583471014
Volume
9.0086667955626E+21
Space diagonal
36039669.69515
Perimeter
62422539
Area
1.8747397392438E+14
Altitude
18019834.847575
Surface area
1.8747397392438E+14
Volume
1.0616815634321E+21
Height
9808755.6946182