20128518 is an even 8-digits composite number following 20128517
and preceding 20128519 . In scientific notation, it is written as 2.0128518 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors.
There are 6527952 positive integers (up to 20128518) that are relatively prime to 20128518.
20128518 has 24 divisors, whose sum is 44791968
The reverse of 20128518 is 81582102
Previous prime number is 37
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million one hundred twenty-eight thousand five hundred eighteen
Scientific notation
2.0128518 × 10^7
Engineering notation
2.0128518 × 10^6
Prime Factorization
2 × 3 × 3 × 37 × 30223
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
6709506
Product of the distinct prime numbers
The prime factorization of 20128518 is 2 × 3 × 3 × 37 × 30223.
Since it has a total of 5 prime factors.
2 , 5 , 80 , 28 , 98 , 187 , 5556 , 3668 , 9373 , 93759 , 619823 , 559762 , 9039501 , 7265843 , 48306215 , 60255917 , 5647120 , 651086586 , 9283948944 , 3410988629
n×2
40257036
n×3
60385554
n×4
80514072
n×5
100642590
n÷2
10064259
n÷3
6709506
n÷3
5032129.5
n÷5
4025703.6
n2
405157236876324
n3
8.1552147352954E+21
n4
1.6415238659326E+29
n5
3.3041442682853E+36
2 √n
4486.4816950479
3 √n
272.02193991133
4 √n
66.981204042984
5 √n
28.89098574971
1 , 2 , 3 , 6 , 9 , 18 , 37 , 74 , 111 , 222 , 333 , 666 , 30223 , 60446 , 90669 , 181338 , 272007 , 544014 , 1118251 , 2236502 , 3354753 , 6709506 , 10064259 , 20128518
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
-20128517
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 20128518 can be divided by 24 positive divisors.
The sum of these divisors (counting 20128518) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100110010001100000110
3
Ternary
1101212122010200
4
Quaternary
1030302030012
5
Quinary
20123103033
6
Senary
1555231330
8
Octal
114621406
10
Decimal
20128518
12
Duodecimal
68a8546
16
Hexadecimal
1332306
20
Vigesimal
65g15i
36
Base36
bzf9i
md5
b5e6946189b3f9636828d9c0062bbf0a
sha1
e537303bec1bd267cd22bdfe09d48490b32af5be
sha256
b7b8378e835e99ffcbe8ba5a9c72681315e6b443db1a51c99288b1872e39fe1d
sha512
ae9f5e5104860bef2c096091eb3d09362d636615b194756589d9cbd074e91c4f2e89cdea8a6e39d070dc2a735898184e9a54d01d4f13a0a80c1b9a908963af5c
ripemd-160
88ac37ba88461ac617335bfd0747de5fd41cb1a5
Diameter
40257036
Circumference
126471208.5529
Area
1.2728389989194E+15
Volume
3.4160483601135E+22
Surface area
5.0913559956776E+15
Circumference
126471208.5529
Perimeter
80514072
Area
405157236876324
Diagonal
28466023.146071
Surface area
2430943421257944
Volume
8.1552147352954E+21
Space diagonal
34863615.857065
Perimeter
60385554
Area
1.75438229831E+14
Altitude
17431807.928532
Surface area
1.75438229831E+14
Volume
9.6110127355997E+20
Height
9488674.3820237