20405465 is an odd 8-digits composite number following 20405464
and preceding 20405466 . In scientific notation, it is written as 2.0405465 × 10^7.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 16204672 positive integers (up to 20405465) that are relatively prime to 20405465.
20405465 has 8 divisors, whose sum is 24666120
The reverse of 20405465 is 56450402
Previous prime number is 137
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million four hundred five thousand four hundred sixty-five
Scientific notation
2.0405465 × 10^7
Engineering notation
2.0405465 × 10^6
Prime Factorization
5 × 137 × 29789
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20405465
Product of the distinct prime numbers
The prime factorization of 20405465 is 5 × 137 × 29789.
Since it has a total of 3 prime factors.
3 , 3 , 79 , 98 , 133 , 211 , 472 , 2974 , 65285 , 72176 , 791997 , 523616 , 4608565 , 3526905 , 43862919 , 16164961 , 644004963 , 37707447 , 4252222083 , 94503846
n×2
40810930
n×3
61216395
n×4
81621860
n×5
102027325
n÷2
10202732.5
n÷3
6801821.6666667
n÷3
5101366.25
n÷5
4081093
n2
416383001866225
n3
8.4964887711762E+21
n4
1.7337480424313E+29
n5
3.537793499865E+36
2 √n
4517.2408614109
3 √n
273.26383899874
4 √n
67.210422267762
5 √n
28.970053630405
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
-20405464
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 20405465 can be divided by 8 positive divisors.
The sum of these divisors (counting 20405465) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101110101110011011001
3
Ternary
1102101201000222
4
Quaternary
1031311303121
5
Quinary
20210433330
6
Senary
2005205425
8
Octal
115656331
10
Decimal
20405465
12
Duodecimal
6a00875
16
Hexadecimal
1375cd9
20
Vigesimal
67add5
36
Base36
c5cyh
md5
b6f211cda7bba81dc65f9d4bd046a4b2
sha1
ecd21e3f67c7b8e22657990e0c644e378878a8a9
sha256
ba6e6aeac8008834ece9cc325a89f176c7406eed5dfc9fc572afd08b095284f5
sha512
5e256eb01d17fbcd3b0ee72e7837b59ec9588a17a32be268f700651aa4d0946197979bcc8ce9a0cd12959a5f85bc1f4b43b8198865ccec95b889cca49f10e780
ripemd-160
4f6d2f5b1e151f1b1f15e4636035d7b3a8255b31
Diameter
40810930
Circumference
128211317.87417
Area
1.3081057797426E+15
Volume
3.559000893978E+22
Surface area
5.2324231189704E+15
Circumference
128211317.87417
Perimeter
81621860
Area
416383001866225
Diagonal
28857685.34953
Surface area
2498298011197350
Volume
8.4964887711762E+21
Space diagonal
35343302.132068
Perimeter
61216395
Area
1.8029912866009E+14
Altitude
17671651.066034
Surface area
1.8029912866009E+14
Volume
1.0013208043957E+21
Height
9619228.4498432