20405265 is an odd 8-digits composite number following 20405264
and preceding 20405266 . In scientific notation, it is written as 2.0405265 × 10^7.
The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors.
There are 10677056 positive integers (up to 20405265) that are relatively prime to 20405265.
20405265 has 8 divisors, whose sum is 22177152
The reverse of 20405265 is 56250402
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million four hundred five thousand two hundred sixty-five
Scientific notation
2.0405265 × 10^7
Engineering notation
2.0405265 × 10^6
Prime Factorization
15 × 53 × 25667
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20405265
Product of the distinct prime numbers
The prime factorization of 20405265 is 15 × 53 × 25667.
Since it has a total of 3 prime factors.
5 , 6 , 5 , 26 , 3 , 574 , 9422 , 5106 , 91262 , 82283 , 401239 , 583156 , 1969376 , 8820529 , 74849765 , 85581144 , 358341811 , 678743607 , 8185227651 , 8002104265
n×2
40810530
n×3
61215795
n×4
81621060
n×5
102026325
n÷2
10202632.5
n÷3
6801755
n÷3
5101316.25
n÷5
4081053
n2
416374839720225
n3
8.4962389438237E+21
n4
1.7336800715204E+29
n5
3.5376201284593E+36
2 √n
4517.2187239495
3 √n
273.26294621591
4 √n
67.210257579848
5 √n
28.969996841369
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
-20405264
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 20405265 can be divided by 8 positive divisors.
The sum of these divisors (counting 20405265) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101110101110000010001
3
Ternary
1102101200202120
4
Quaternary
1031311300101
5
Quinary
20210432030
6
Senary
2005204453
8
Octal
115656021
10
Decimal
20405265
12
Duodecimal
6a00729
16
Hexadecimal
1375c11
20
Vigesimal
67ad35
36
Base36
c5csx
md5
b08f5a46cf6ab15190927e7d32bbc7ba
sha1
07c4f2683d716470b2872cfc86083344ef53668f
sha256
846545e582c68bb57e47da308210bf957ccf4791976f17e3e15b3927ef97e33f
sha512
f6713a953c88bab2aceab1b0052a7ce069b826dbaee3cda59e25d0acefe00347d0adc2b99b8eb679ed76bfca61a4dd6f4ba69ccc68c410285395c190ba9c1f37
ripemd-160
7a4b606f6d1f3191857a0ebd5aa67953ca70475d
Diameter
40810530
Circumference
128210061.23711
Area
1.3080801376047E+15
Volume
3.5588962465413E+22
Surface area
5.2323205504187E+15
Circumference
128210061.23711
Perimeter
81621060
Area
416374839720225
Diagonal
28857402.506817
Surface area
2498249038321350
Volume
8.4962389438237E+21
Space diagonal
35342955.721907
Perimeter
61215795
Area
1.8029559434719E+14
Altitude
17671477.860953
Surface area
1.8029559434719E+14
Volume
1.0012913619598E+21
Height
9619134.168939