128642012 is an even 9-digits composite number following 128642011
and preceding 128642013 . In scientific notation, it is written as 1.28642012 × 10^8.
The sum of its digits is 26. It has a total of 3 prime factors and 6 positive divisors.
There are 64321004 positive integers (up to 128642012) that are relatively prime to 128642012.
128642012 has 6 divisors, whose sum is 225123528
The reverse of 128642012 is 210246821
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 26
Digital Root 8
Name
one hundred twenty-eight million six hundred forty-two thousand twelve
Scientific notation
1.28642012 × 10^8
Engineering notation
1.28642012 × 10^6
Prime Factorization
2 × 2 × 32160503
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
64321006
Product of the distinct prime numbers
The prime factorization of 128642012 is 2 × 2 × 32160503.
Since it has a total of 3 prime factors.
3 , 3 , 10 , 71 , 995 , 197 , 4151 , 1729 , 30418 , 52454 , 967006 , 839988 , 4274584 , 1777850 , 47305498 , 76220590 , 644536228 , 483793042 , 8106496959 , 5401730516
n×2
257284024
n×3
385926036
n×4
514568048
n×5
643210060
n÷2
64321006
n÷3
42880670.666667
n÷3
32160503
n÷5
25728402.4
n2
16548767251408144
n3
2.1288667153409E+24
n4
2.7386169754128E+32
n5
3.5230119781446E+40
2 √n
11342.046199871
3 √n
504.80960309338
4 √n
106.49904318758
5 √n
41.867455249422
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128642011
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128642012 can be divided by 6 positive divisors.
The sum of these divisors (counting 128642012) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
111101010101110101111011100
3
Ternary
22222001200122222
4
Quaternary
13222232233130
5
Quinary
230413021022
6
Senary
20433124512
8
Octal
752565734
10
Decimal
128642012
12
Duodecimal
370b9738
16
Hexadecimal
7aaebdc
20
Vigesimal
204050c
36
Base36
24l8t8
md5
23baaed04ab841e7801923a32123022b
sha1
e5a4437bb2917e3085c964db17f0b1e0e6012449
sha256
532ceb9fad2e00d0d8f0cfb527683a496073b9f3da72e36190f2d103754cde47
sha512
25da2bc34aee9e472ff05a8d0cdd01e47c27dfbb399102914003ef2ad9373538b69b7ee4dae8eea3d2ea50ad94486764d0227b9f58556ad1611fc8bb14f9b397
ripemd-160
793666c5f4d4ca82322a558431c372baa16b8b5e
Diameter
257284024
Circumference
808281599.68442
Area
5.1989485622991E+16
Volume
8.9173760445155E+24
Surface area
2.0795794249196E+17
Circumference
808281599.68442
Perimeter
514568048
Area
16548767251408144
Diagonal
181927278.06136
Surface area
99292603508448864
Volume
2.1288667153409E+24
Space diagonal
222814500.77189
Perimeter
385926036
Area
7.1658264205177E+15
Altitude
111407250.38594
Surface area
7.1658264205177E+15
Volume
2.5088934844331E+23
Height
60642426.020454