20478520 is an even 8-digits composite number following 20478519
and preceding 20478521 . In scientific notation, it is written as 2.0478520 × 10^7.
The sum of its digits is 28. It has a total of 5 prime factors and 16 positive divisors.
There are 8191392 positive integers (up to 20478520) that are relatively prime to 20478520.
20478520 has 16 divisors, whose sum is 46076760
The reverse of 20478520 is 02587402
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million four hundred seventy-eight thousand five hundred twenty
Scientific notation
2.0478520 × 10^7
Engineering notation
2.0478520 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 511963
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5119630
Product of the distinct prime numbers
The prime factorization of 20478520 is 2 × 2 × 2 × 5 × 511963.
Since it has a total of 5 prime factors.
8 , 1 , 41 , 97 , 255 , 205 , 4404 , 9858 , 22286 , 36915 , 321794 , 182924 , 2223351 , 6816403 , 34202004 , 63169180 , 356268142 , 366885927 , 4385674527 , 2564834488
n×2
40957040
n×3
61435560
n×4
81914080
n×5
102392600
n÷2
10239260
n÷3
6826173.3333333
n÷3
5119630
n÷5
4095704
n2
419369781390400
n3
8.5880724555989E+21
n4
1.7587101354343E+29
n5
3.6015780682694E+36
2 √n
4525.3198781965
3 √n
273.58956077721
4 √n
67.27049782926
5 √n
28.990767521752
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 511963 , 1023926 , 2047852 , 2559815 , 4095704 , 5119630 , 10239260 , 20478520
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20478519
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20478520 can be divided by 16 positive divisors.
The sum of these divisors (counting 20478520) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110000111101000111000
3
Ternary
1102112102020201
4
Quaternary
1032013220320
5
Quinary
20220303040
6
Senary
2010531544
8
Octal
116075070
10
Decimal
20478520
12
Duodecimal
6a36bb4
16
Hexadecimal
1387a38
20
Vigesimal
67jg60
36
Base36
c6xbs
md5
da9d2532dfddfc9dd36ee1f26002a810
sha1
2bac0f79e21c7c574d4777af5f7b3717928c0a29
sha256
79e5e870cf71ab2f068138f783bc8ef9c8920147ecbc23b0608d2eb3691de759
sha512
b655b3e4f1bb10166c15c3628700cf23aa85cb1d2a1c4ee2cff7b69ea956e978b4ba26762559f2a62bccea6247ab4edef7a93a75ed772ce120e2ecc888f19fa3
ripemd-160
4b3a9d5a2fef1d1153162183b425d60221ebf5dd
Diameter
40957040
Circumference
128670335.97678
Area
1.3174890243536E+15
Volume
3.5973633780009E+22
Surface area
5.2699560974146E+15
Circumference
128670335.97678
Perimeter
81914080
Area
419369781390400
Diagonal
28961000.721329
Surface area
2516218688342400
Volume
8.5880724555989E+21
Space diagonal
35469837.103815
Perimeter
61435560
Area
1.8159244213181E+14
Altitude
17734918.551908
Surface area
1.8159244213181E+14
Volume
1.0121140451126E+21
Height
9653666.9071096