20478910 is an even 8-digits composite number following 20478909
and preceding 20478911 . In scientific notation, it is written as 2.0478910 × 10^7.
The sum of its digits is 31. It has a total of 5 prime factors and 24 positive divisors.
There are 7923600 positive integers (up to 20478910) that are relatively prime to 20478910.
20478910 has 24 divisors, whose sum is 38107368
The reverse of 20478910 is 01987402
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million four hundred seventy-eight thousand nine hundred ten
Scientific notation
2.0478910 × 10^7
Engineering notation
2.0478910 × 10^6
Prime Factorization
2 × 5 × 31 × 31 × 2131
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
660610
Product of the distinct prime numbers
The prime factorization of 20478910 is 2 × 5 × 31 × 31 × 2131.
Since it has a total of 5 prime factors.
2 , 2 , 100 , 100 , 12 , 218 , 8535 , 395 , 89256 , 48758 , 641990 , 369352 , 630103 , 9128432 , 99024361 , 94283094 , 852899415 , 744925811 , 2234023875 , 3676555548
n×2
40957820
n×3
61436730
n×4
81915640
n×5
102394550
n÷2
10239455
n÷3
6826303.3333333
n÷3
5119727.5
n÷5
4095782
n2
419385754788100
n3
8.5885631275876E+21
n4
1.7588441131918E+29
n5
3.6019210298086E+36
2 √n
4525.3629688678
3 √n
273.59129754418
4 √n
67.270818107615
5 √n
28.990877942947
1 , 2 , 5 , 10 , 31 , 62 , 155 , 310 , 961 , 1922 , 2131 , 4262 , 4805 , 9610 , 10655 , 21310 , 66061 , 132122 , 330305 , 660610 , 2047891 , 4095782 , 10239455 , 20478910
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20478909
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20478910 can be divided by 24 positive divisors.
The sum of these divisors (counting 20478910) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001110000111101110111110
3
Ternary
1102112102210011
4
Quaternary
1032013232332
5
Quinary
20220311120
6
Senary
2010533434
8
Octal
116075676
10
Decimal
20478910
12
Duodecimal
6a3727a
16
Hexadecimal
1387bbe
20
Vigesimal
67jh5a
36
Base36
c6xmm
md5
99b3e535f4558f6dea85dbca470e5a54
sha1
dd5640527ae6d1d7c2164d43a708155b650e5689
sha256
b4a0fbb30e23fbf60842e48efc86581ca7443762f58c7782a6173b5acd8ecf47
sha512
5c233a6b443691656db4095927eb843b8eba79a93ad198abddb7559abdf667df727293601a2c8785a20b7ca28b268112317e7e0d286f0e2ea3c9fc8e68bd0008
ripemd-160
bf13c330f04d4ed3fb8da9663214fa4486212bcc
Diameter
40957820
Circumference
128672786.41905
Area
1.3175392062625E+15
Volume
3.5975689102028E+22
Surface area
5.27015682505E+15
Circumference
128672786.41905
Perimeter
81915640
Area
419385754788100
Diagonal
28961552.264618
Surface area
2516314528728600
Volume
8.5885631275876E+21
Space diagonal
35470512.60363
Perimeter
61436730
Area
1.815993588159E+14
Altitude
17735256.301815
Surface area
1.815993588159E+14
Volume
1.012171871361E+21
Height
9653850.7548727