128642013 is an odd 9-digits composite number following 128642012
and preceding 128642014 . In scientific notation, it is written as 1.28642013 × 10^8.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 82029024 positive integers (up to 128642013) that are relatively prime to 128642013.
128642013 has 16 divisors, whose sum is 191509760
The reverse of 128642013 is 310246821
Previous prime number is 207
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 27
Digital Root 9
Name
one hundred twenty-eight million six hundred forty-two thousand thirteen
Scientific notation
1.28642013 × 10^8
Engineering notation
1.28642013 × 10^6
Prime Factorization
9 × 3 × 207 × 23017
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128642013
Product of the distinct prime numbers
The prime factorization of 128642013 is 9 × 3 × 207 × 23017.
Since it has a total of 4 prime factors.
8 , 7 , 92 , 35 , 477 , 862 , 5694 , 7175 , 19363 , 48545 , 509328 , 781429 , 1038626 , 5349039 , 5768418 , 11349482 , 805330808 , 747595919 , 4539573913 , 4031676553
n×2
257284026
n×3
385926039
n×4
514568052
n×5
643210065
n÷2
64321006.5
n÷3
42880671
n÷3
32160503.25
n÷5
25728402.6
n2
16548767508692169
n3
2.1288667649872E+24
n4
2.7386170605675E+32
n5
3.5230121150754E+40
2 √n
11342.046243954
3 √n
504.80960440142
4 √n
106.49904339455
5 √n
41.867455314514
1 , 3 , 9 , 27 , 207 , 621 , 1863 , 5589 , 23017 , 69051 , 207153 , 621459 , 4764519 , 14293557 , 42880671 , 128642013
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
-128642012
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 128642013 can be divided by 16 positive divisors.
The sum of these divisors (counting 128642013) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101010101110101111011101
3
Ternary
22222001200200000
4
Quaternary
13222232233131
5
Quinary
230413021023
6
Senary
20433124513
8
Octal
752565735
10
Decimal
128642013
12
Duodecimal
370b9739
16
Hexadecimal
7aaebdd
20
Vigesimal
204050d
36
Base36
24l8t9
md5
bebe8933ae985db32f8dee11cd053ab7
sha1
dd4babba4df003fa33276d251ff818b8d1830a81
sha256
55ffd185044d5eab92f795e9551fcfbce7a7ad84588afad431bbd0fa64a06146
sha512
92021de4c7bd059fd45c9dd56ac20c94712f964ceaf0692699b756bf87500226dbc4ac9ba464276aad6a50542be5fb2a0d73a67d918181818fb88f19a0c9fe8f
ripemd-160
063bca4fa4f1016b09aa056b063c9a23c42667ca
Diameter
257284026
Circumference
808281605.96761
Area
5.1989486431273E+16
Volume
8.9173762524735E+24
Surface area
2.0795794572509E+17
Circumference
808281605.96761
Perimeter
514568052
Area
16548767508692169
Diagonal
181927279.47558
Surface area
99292605052153014
Volume
2.1288667649872E+24
Space diagonal
222814502.50394
Perimeter
385926039
Area
7.165826531925E+15
Altitude
111407251.25197
Surface area
7.165826531925E+15
Volume
2.5088935429418E+23
Height
60642426.491859