20405469 is an odd 8-digits composite number following 20405468
and preceding 20405470 . In scientific notation, it is written as 2.0405469 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 11630640 positive integers (up to 20405469) that are relatively prime to 20405469.
20405469 has 8 divisors, whose sum is 21431520
The reverse of 20405469 is 96450402
Previous prime number is 491
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million four hundred five thousand four hundred sixty-nine
Scientific notation
2.0405469 × 10^7
Engineering notation
2.0405469 × 10^6
Prime Factorization
21 × 491 × 1979
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20405469
Product of the distinct prime numbers
The prime factorization of 20405469 is 21 × 491 × 1979.
Since it has a total of 3 prime factors.
2 , 1 , 48 , 54 , 879 , 345 , 1993 , 539 , 43852 , 5116 , 417037 , 292141 , 4732987 , 5553293 , 9956497 , 76068004 , 934765104 , 600830486 , 991165187 , 3557072244
n×2
40810938
n×3
61216407
n×4
81621876
n×5
102027345
n÷2
10202734.5
n÷3
6801823
n÷3
5101367.25
n÷5
4081093.8
n2
416383165109961
n3
8.4964937677732E+21
n4
1.7337494018699E+29
n5
3.5377969673625E+36
2 √n
4517.241304159
3 √n
273.26385685433
4 √n
67.210425561508
5 √n
28.970054766181
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
-20405468
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 20405469 can be divided by 8 positive divisors.
The sum of these divisors (counting 20405469) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101110101110011011101
3
Ternary
1102101201001010
4
Quaternary
1031311303131
5
Quinary
20210433334
6
Senary
2005205433
8
Octal
115656335
10
Decimal
20405469
12
Duodecimal
6a00879
16
Hexadecimal
1375cdd
20
Vigesimal
67add9
36
Base36
c5cyl
md5
ca2bb14652645b84034b6824f2db9075
sha1
612621c723578f596d3ada4193056461f9845a19
sha256
3061549862f543bf7e3da91f62514e4fdc1f78169b3e1a550999fa1c93f0bd6e
sha512
48d3cddcc785df8aa63b18bca8ff680de021098902b4da54d4282d4b03d62e51e106e7dca3fb1fe3373d5405663902a337e55e237c19b9c519188f2eccc68c1d
ripemd-160
c57a6ff005bd3b0653274aa4fdcc68c207090e4c
Diameter
40810938
Circumference
128211343.00691
Area
1.3081062925879E+15
Volume
3.5590029869477E+22
Surface area
5.2324251703517E+15
Circumference
128211343.00691
Perimeter
81621876
Area
416383165109961
Diagonal
28857691.006384
Surface area
2498298990659766
Volume
8.4964937677732E+21
Space diagonal
35343309.060272
Perimeter
61216407
Area
1.802991993467E+14
Altitude
17671654.530136
Surface area
1.802991993467E+14
Volume
1.0013213932503E+21
Height
9619230.3354613