20807795 is an odd 8-digits composite number following 20807794
and preceding 20807796 . In scientific notation, it is written as 2.0807795 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 16646232 positive integers (up to 20807795) that are relatively prime to 20807795.
20807795 has 4 divisors, whose sum is 24969360
The reverse of 20807795 is 59770802
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million eight hundred seven thousand seven hundred ninety-five
Scientific notation
2.0807795 × 10^7
Engineering notation
2.0807795 × 10^6
Prime Factorization
5 × 4161559
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20807795
Product of the distinct prime numbers
The prime factorization of 20807795 is 5 × 4161559.
Since it has a total of 2 prime factors.
4 , 2 , 9 , 46 , 890 , 632 , 9823 , 1186 , 40485 , 55324 , 641865 , 581129 , 9744708 , 9049409 , 81314602 , 6881089 , 415933150 , 712382299 , 971511229 , 2190097807
n×2
41615590
n×3
62423385
n×4
83231180
n×5
104038975
n÷2
10403897.5
n÷3
6935931.6666667
n÷3
5201948.75
n÷5
4161559
n2
432964332762025
n3
9.009033078424E+21
n4
1.8745811344407E+29
n5
3.9005899956309E+36
2 √n
4561.5562037533
3 √n
275.04812380946
4 √n
67.539293775944
5 √n
29.08340238894
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
-20807794
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 20807795 can be divided by 4 positive divisors.
The sum of these divisors (counting 20807795) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111011000000001110011
3
Ternary
1110011010221002
4
Quaternary
1033120001303
5
Quinary
20311322140
6
Senary
2021552215
8
Octal
117300163
10
Decimal
20807795
12
Duodecimal
6b7566b
16
Hexadecimal
13d8073
20
Vigesimal
6a0j9f
36
Base36
cdzeb
md5
106cd0abc8dc5f8a99890d59357e2933
sha1
b961dcaff8beb8209146c2d135fe92c8f24e9614
sha256
d0f19599b1c382d855a68b7add23ecaa68aa41f80d97ce37009ab768eded4594
sha512
6012faf1392a4fae3c6e44af16243b1fccb4895153e15ae51408696fbe4f0fc1f7be53560cc5e998d103832c22dac840547d8ee7447432afd94d2408a8837b5c
ripemd-160
f1fa022fed97e7e17cfea33db68d2bf7371cb497
Diameter
41615590
Circumference
130739231.8188
Area
1.3601975670716E+15
Volume
3.7736949513499E+22
Surface area
5.4407902682863E+15
Circumference
130739231.8188
Perimeter
83231180
Area
432964332762025
Diagonal
29426665.892079
Surface area
2597785996572150
Volume
9.009033078424E+21
Space diagonal
36040158.133478
Perimeter
62423385
Area
1.8747905555225E+14
Altitude
18020079.066739
Surface area
1.8747905555225E+14
Volume
1.0617247302813E+21
Height
9808888.630693