20404805 is an odd 8-digits composite number following 20404804
and preceding 20404806 . In scientific notation, it is written as 2.0404805 × 10^7.
The sum of its digits is 23. It has a total of 4 prime factors and 16 positive divisors.
There are 15912960 positive integers (up to 20404805) that are relatively prime to 20404805.
20404805 has 16 divisors, whose sum is 25110000
The reverse of 20404805 is 50840402
Previous prime number is 149
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million four hundred four thousand eight hundred five
Scientific notation
2.0404805 × 10^7
Engineering notation
2.0404805 × 10^6
Prime Factorization
5 × 61 × 149 × 449
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20404805
Product of the distinct prime numbers
The prime factorization of 20404805 is 5 × 61 × 149 × 449.
Since it has a total of 4 prime factors.
4 , 1 , 15 , 98 , 775 , 424 , 9418 , 2734 , 55814 , 85073 , 534962 , 46431 , 8126273 , 401592 , 19553462 , 76427867 , 83773079 , 893590433 , 2904239044 , 4039594652
n×2
40809610
n×3
61214415
n×4
81619220
n×5
102024025
n÷2
10202402.5
n÷3
6801601.6666667
n÷3
5101201.25
n÷5
4080961
n2
416356067088025
n3
8.4956643594981E+21
n4
1.7335237460101E+29
n5
3.5372214000205E+36
2 √n
4517.1678073767
3 √n
273.26089279326
4 √n
67.209878793051
5 √n
28.969866224896
1 , 5 , 61 , 149 , 305 , 449 , 745 , 2245 , 9089 , 27389 , 45445 , 66901 , 136945 , 334505 , 4080961 , 20404805
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
-20404804
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 20404805 can be divided by 16 positive divisors.
The sum of these divisors (counting 20404805) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101110101101001000101
3
Ternary
1102101200010112
4
Quaternary
1031311221011
5
Quinary
20210423210
6
Senary
2005202405
8
Octal
115655105
10
Decimal
20404805
12
Duodecimal
6a00405
16
Hexadecimal
1375a45
20
Vigesimal
67ac05
36
Base36
c5cg5
md5
09a93a001c7fd8010adcfa9c56707084
sha1
e45f943169c6af3046058b4f15fa13dfbbf93531
sha256
e81f2406cd27e2016020ff4314479958aa27615c864cfd934acc9d16e58fc9ea
sha512
397ff7491c79ba08427a1d3a69e63658b4f08ddf5241b2c90388cca86031d87dc91553c958e26cccf540cef5e765b61511ff0943d1310febb80f6d15dd831f71
ripemd-160
e5ddcbe941190c8a7b131aa7159c7fc068a14b6d
Diameter
40809610
Circumference
128207170.97186
Area
1.3080211616413E+15
Volume
3.5586555652218E+22
Surface area
5.2320846465651E+15
Circumference
128207170.97186
Perimeter
81619220
Area
416356067088025
Diagonal
28856751.968578
Surface area
2498136402528150
Volume
8.4956643594981E+21
Space diagonal
35342158.978535
Perimeter
61214415
Area
1.80287465559E+14
Altitude
17671079.489268
Surface area
1.80287465559E+14
Volume
1.0012236465477E+21
Height
9618917.3228594