20804105 is an odd 8-digits composite number following 20804104
and preceding 20804106 . In scientific notation, it is written as 2.0804105 × 10^7.
The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors.
There are 14265648 positive integers (up to 20804105) that are relatively prime to 20804105.
20804105 has 8 divisors, whose sum is 28531392
The reverse of 20804105 is 50140802
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million eight hundred four thousand one hundred five
Scientific notation
2.0804105 × 10^7
Engineering notation
2.0804105 × 10^6
Prime Factorization
5 × 7 × 594403
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20804105
Product of the distinct prime numbers
The prime factorization of 20804105 is 5 × 7 × 594403.
Since it has a total of 3 prime factors.
6 , 9 , 35 , 77 , 891 , 464 , 9520 , 5884 , 97009 , 85311 , 634539 , 355310 , 56818 , 455611 , 37087930 , 51414794 , 130952725 , 299156692 , 2840629748 , 2396574728
n×2
41608210
n×3
62412315
n×4
83216420
n×5
104020525
n÷2
10402052.5
n÷3
6934701.6666667
n÷3
5201026.25
n÷5
4160821
n2
432810784851025
n3
9.0042410131731E+21
n4
1.8732517548336E+29
n5
3.8971326198993E+36
2 √n
4561.1517185904
3 √n
275.03186407638
4 √n
67.536299266323
5 √n
29.082370800843
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20804104
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20804105 can be divided by 8 positive divisors.
The sum of these divisors (counting 20804105) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111010111001000001001
3
Ternary
1110010221212102
4
Quaternary
1033113020021
5
Quinary
20311212410
6
Senary
2021523145
8
Octal
117271011
10
Decimal
20804105
12
Duodecimal
6b734b5
16
Hexadecimal
13d7209
20
Vigesimal
6a0a55
36
Base36
cdwjt
md5
cb1269be9565d6c5e8a2c526bdde1512
sha1
7a1830a68ba5ae1e157ce3f2199f5adf8e226e2f
sha256
fed24be9bc412ea4d4a6d947beb04a1ad9a0a1207b69151704b49efd75220f84
sha512
f8129bdc5ab494af68bda80b0200de8860ebec4d9a6f4af9acd03631ccc47374ef0873ee17b032660d9745abb00d530e4ffdcf8548dad7b498cc316343ec31e1
ripemd-160
15f28d249ba54229105cf4c6a729487a7a0867b3
Diameter
41608210
Circumference
130716046.86502
Area
1.3597151820824E+15
Volume
3.7716876557516E+22
Surface area
5.4388607283297E+15
Circumference
130716046.86502
Perimeter
83216420
Area
432810784851025
Diagonal
29421447.444034
Surface area
2596864709106150
Volume
9.0042410131731E+21
Space diagonal
36033766.865998
Perimeter
62412315
Area
1.8741256735643E+14
Altitude
18016883.432999
Surface area
1.8741256735643E+14
Volume
1.0611599799755E+21
Height
9807149.1480113