20128732 is an even 8-digits composite number following 20128731
and preceding 20128733 . In scientific notation, it is written as 2.0128732 × 10^7.
The sum of its digits is 25. It has a total of 5 prime factors and 24 positive divisors.
There are 9249216 positive integers (up to 20128732) that are relatively prime to 20128732.
20128732 has 24 divisors, whose sum is 38102400
The reverse of 20128732 is 23782102
Previous prime number is 1439
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million one hundred twenty-eight thousand seven hundred thirty-two
Scientific notation
2.0128732 × 10^7
Engineering notation
2.0128732 × 10^6
Prime Factorization
2 × 2 × 13 × 1439 × 269
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10064366
Product of the distinct prime numbers
The prime factorization of 20128732 is 2 × 2 × 13 × 1439 × 269.
Since it has a total of 5 prime factors.
3 , 7 , 91 , 44 , 652 , 849 , 859 , 4391 , 1728 , 33774 , 648999 , 963986 , 4319345 , 8475727 , 77987854 , 86000878 , 23974171 , 396392342 , 2963116914 , 8627645244
n×2
40257464
n×3
60386196
n×4
80514928
n×5
100643660
n÷2
10064366
n÷3
6709577.3333333
n÷3
5032183
n÷5
4025746.4
n2
405165851927824
n3
8.1554748490069E+21
n4
1.641593675684E+29
n5
3.3043199150738E+36
2 √n
4486.5055444076
3 √n
272.02290392482
4 √n
66.981382072988
5 √n
28.891047181403
1 , 2 , 4 , 13 , 26 , 52 , 269 , 538 , 1076 , 1439 , 2878 , 3497 , 5756 , 6994 , 13988 , 18707 , 37414 , 74828 , 387091 , 774182 , 1548364 , 5032183 , 10064366 , 20128732
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
-20128731
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 20128732 can be divided by 24 positive divisors.
The sum of these divisors (counting 20128732) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100110010001111011100
3
Ternary
1101212122102121
4
Quaternary
1030302033130
5
Quinary
20123104412
6
Senary
1555232324
8
Octal
114621734
10
Decimal
20128732
12
Duodecimal
68a86a4
16
Hexadecimal
13323dc
20
Vigesimal
65g1gc
36
Base36
bzffg
md5
b94fd56f19e4041f9a1bdf09996c7ff0
sha1
04f6cbb3fd65c78d5a49ad67269d71d7ab2c9fd2
sha256
2138e23a193053341f6fdc14b3ccbd4a146f072afc682c090ced4590aebd8b2d
sha512
8b754165b105f978937341a907ccc7e3dcedf5759fc1f40b079add0c0f8d17ee5f938bfecb7b418e47eaa315442e57f3e1759658400c775ac91bfde85ef8f10a
ripemd-160
57438c2544d1bdee14d0dbb7955e2897426320bb
Diameter
40257464
Circumference
126472553.15456
Area
1.2728660639019E+15
Volume
3.4161573162902E+22
Surface area
5.0914642556076E+15
Circumference
126472553.15456
Perimeter
80514928
Area
405165851927824
Diagonal
28466325.787773
Surface area
2430995111566944
Volume
8.1554748490069E+21
Space diagonal
34863986.515937
Perimeter
60386196
Area
1.7544196025773E+14
Altitude
17431993.257969
Surface area
1.7544196025773E+14
Volume
9.6113192825485E+20
Height
9488775.2625911