128642017 is an odd 9-digits composite number following 128642016
and preceding 128642018 . In scientific notation, it is written as 1.28642017 × 10^8.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 110153184 positive integers (up to 128642017) that are relatively prime to 128642017.
128642017 has 8 divisors, whose sum is 147168000
The reverse of 128642017 is 710246821
Previous prime number is 1049
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 31
Digital Root 4
Name
one hundred twenty-eight million six hundred forty-two thousand seventeen
Scientific notation
1.28642017 × 10^8
Engineering notation
1.28642017 × 10^6
Prime Factorization
7 × 1049 × 17519
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
128642017
Product of the distinct prime numbers
The prime factorization of 128642017 is 7 × 1049 × 17519.
Since it has a total of 3 prime factors.
2 , 3 , 23 , 9 , 858 , 62 , 983 , 5455 , 62128 , 84155 , 565090 , 388186 , 9451659 , 5102547 , 38684510 , 60149875 , 43205972 , 760845245 , 2630298835 , 7967698787
n×2
257284034
n×3
385926051
n×4
514568068
n×5
643210085
n÷2
64321008.5
n÷3
42880672.333333
n÷3
32160504.25
n÷5
25728403.4
n2
16548768537828289
n3
2.1288669635724E+24
n4
2.7386174011862E+32
n5
3.5230126627989E+40
2 √n
11342.046420289
3 √n
504.80960963361
4 √n
106.49904422242
5 √n
41.867455574879
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128642016
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128642017 can be divided by 8 positive divisors.
The sum of these divisors (counting 128642017) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101010101110101111100001
3
Ternary
22222001200200011
4
Quaternary
13222232233201
5
Quinary
230413021032
6
Senary
20433124521
8
Octal
752565741
10
Decimal
128642017
12
Duodecimal
370b9741
16
Hexadecimal
7aaebe1
20
Vigesimal
204050h
36
Base36
24l8td
md5
1b38bda1edfc08b256bac3baaf16d52f
sha1
82c5bbce4af5b978d59bb631c34b35231880d527
sha256
d45b921ea357ae4465a818b69968e8a0ecb182c59339e80592e5ed607faac2d1
sha512
08b90a82ccd897123f5ec43e24f36a248a3883d0d7ad37af9a8197a633c483cfd8dd73940981276bf4b13a0203ef6cb5a9b0be35367f287cdc0c47f731608948
ripemd-160
3d815a55cee0731da71b6a65a29fd9a19059cca4
Diameter
257284034
Circumference
808281631.10035
Area
5.1989489664399E+16
Volume
8.9173770843053E+24
Surface area
2.079579586576E+17
Circumference
808281631.10035
Perimeter
514568068
Area
16548768537828289
Diagonal
181927285.13243
Surface area
99292611226969734
Volume
2.1288669635724E+24
Space diagonal
222814509.43214
Perimeter
385926051
Area
7.165826977554E+15
Altitude
111407254.71607
Surface area
7.165826977554E+15
Volume
2.5088937769767E+23
Height
60642428.377477