20405468 is an even 8-digits composite number following 20405467
and preceding 20405469 . In scientific notation, it is written as 2.0405468 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 12 positive divisors.
There are 9665712 positive integers (up to 20405468) that are relatively prime to 20405468.
20405468 has 12 divisors, whose sum is 37589160
The reverse of 20405468 is 86450402
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million four hundred five thousand four hundred sixty-eight
Scientific notation
2.0405468 × 10^7
Engineering notation
2.0405468 × 10^6
Prime Factorization
2 × 2 × 19 × 268493
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10202734
Product of the distinct prime numbers
The prime factorization of 20405468 is 2 × 2 × 19 × 268493.
Since it has a total of 4 prime factors.
6 , 7 , 12 , 19 , 99 , 438 , 9176 , 8369 , 8796 , 49758 , 495580 , 245905 , 1895121 , 1515807 , 4515848 , 51121414 , 977635297 , 855302546 , 2477778513 , 5209585336
n×2
40810936
n×3
61216404
n×4
81621872
n×5
102027340
n÷2
10202734
n÷3
6801822.6666667
n÷3
5101367
n÷5
4081093.6
n2
416383124299024
n3
8.4964925186238E+21
n4
1.7337490620102E+29
n5
3.5377961004878E+36
2 √n
4517.241193472
3 √n
273.26385239044
4 √n
67.210424738071
5 √n
28.970054482237
1 , 2 , 4 , 19 , 38 , 76 , 268493 , 536986 , 1073972 , 5101367 , 10202734 , 20405468
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20405467
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20405468 can be divided by 12 positive divisors.
The sum of these divisors (counting 20405468) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101110101110011011100
3
Ternary
1102101201001002
4
Quaternary
1031311303130
5
Quinary
20210433333
6
Senary
2005205432
8
Octal
115656334
10
Decimal
20405468
12
Duodecimal
6a00878
16
Hexadecimal
1375cdc
20
Vigesimal
67add8
36
Base36
c5cyk
md5
2afa8283939bf6168ae6b1e3ea59f650
sha1
39414a95a8a4dee9efa159f71453d4ba5687f924
sha256
8a39a818b2c17d1577122ee3afe28ba728bdbd370c9f809472386c862b6d2948
sha512
58d9c02d30a210379e93249d2ce74bb3c51f0c5a839c4cd72640a7856f7e31a508594624ed604e051c1cdf0bbe2cf81d6574793b953b553161438e128349ddbc
ripemd-160
e08520ad87cc252b9e68d1edd2ca73a652adfc5d
Diameter
40810936
Circumference
128211336.72372
Area
1.3081061643766E+15
Volume
3.5590024637052E+22
Surface area
5.2324246575063E+15
Circumference
128211336.72372
Perimeter
81621872
Area
416383124299024
Diagonal
28857689.59217
Surface area
2498298745794144
Volume
8.4964925186238E+21
Space diagonal
35343307.328221
Perimeter
61216404
Area
1.8029918167504E+14
Altitude
17671653.66411
Surface area
1.8029918167504E+14
Volume
1.0013212460366E+21
Height
9619229.8640567