20128468 is an even 8-digits composite number following 20128467
and preceding 20128469 . In scientific notation, it is written as 2.0128468 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors.
There are 10046592 positive integers (up to 20128468) that are relatively prime to 20128468.
20128468 has 12 divisors, whose sum is 35286580
The reverse of 20128468 is 86482102
Previous prime number is 613
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million one hundred twenty-eight thousand four hundred sixty-eight
Scientific notation
2.0128468 × 10^7
Engineering notation
2.0128468 × 10^6
Prime Factorization
2 × 2 × 613 × 8209
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10064234
Product of the distinct prime numbers
The prime factorization of 20128468 is 2 × 2 × 613 × 8209.
Since it has a total of 4 prime factors.
1 , 8 , 8 , 100 , 317 , 931 , 4674 , 5736 , 52519 , 59919 , 877351 , 595699 , 6175885 , 9878142 , 47854567 , 76096209 , 60284093 , 462872618 , 7108533866 , 890224365
n×2
40256936
n×3
60385404
n×4
80513872
n×5
100642340
n÷2
10064234
n÷3
6709489.3333333
n÷3
5032117
n÷5
4025693.6
n2
405155224027024
n3
8.1551539618608E+21
n4
1.6415075555639E+29
n5
3.3041032303926E+36
2 √n
4486.4761227493
3 √n
272.02171467355
4 √n
66.981162446985
5 √n
28.890971396436
1 , 2 , 4 , 613 , 1226 , 2452 , 8209 , 16418 , 32836 , 5032117 , 10064234 , 20128468
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
-20128467
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 20128468 can be divided by 12 positive divisors.
The sum of these divisors (counting 20128468) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100110010001011010100
3
Ternary
1101212122001211
4
Quaternary
1030302023110
5
Quinary
20123102333
6
Senary
1555231204
8
Octal
114621324
10
Decimal
20128468
12
Duodecimal
68a8504
16
Hexadecimal
13322d4
20
Vigesimal
65g138
36
Base36
bzf84
md5
048f6757ae795dc99d2bcb5aef71203d
sha1
44b583a3174d74bfc8cef9d3c1810729c574f9fc
sha256
e8332aa7ad924f9c4d57e4d1a7cded90b754cf2c05fcf77d99a253fc49b79baf
sha512
18bc32556d14d376409c28a92c2b0c219e013b372313e7858ba0f487dbe3e9adf6a0673cfa0802530c9191a2b7f91fdf030215837304effa2048fab9068f4352
ripemd-160
d8ab4fce57ea6d16c11a8c07810ec11608caa3e2
Diameter
40256936
Circumference
126470894.39363
Area
1.2728326753668E+15
Volume
3.4160229033967E+22
Surface area
5.0913307014673E+15
Circumference
126470894.39363
Perimeter
80513872
Area
405155224027024
Diagonal
28465952.435393
Surface area
2430931344162144
Volume
8.1551539618608E+21
Space diagonal
34863529.254524
Perimeter
60385404
Area
1.7543735824169E+14
Altitude
17431764.627262
Surface area
1.7543735824169E+14
Volume
9.6109411134202E+20
Height
9488650.8117976