128440135 is an odd 9-digits composite number following 128440134
and preceding 128440136 . In scientific notation, it is written as 1.28440135 × 10^8.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 99974880 positive integers (up to 128440135) that are relatively prime to 128440135.
128440135 has 8 divisors, whose sum is 158294016
The reverse of 128440135 is 531044821
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 28
Digital Root 1
Name
one hundred twenty-eight million four hundred forty thousand one hundred thirty-five
Scientific notation
1.28440135 × 10^8
Engineering notation
1.28440135 × 10^6
Prime Factorization
5 × 37 × 694271
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
128440135
Product of the distinct prime numbers
The prime factorization of 128440135 is 5 × 37 × 694271.
Since it has a total of 3 prime factors.
8 , 10 , 13 , 18 , 264 , 306 , 3150 , 1902 , 55067 , 82260 , 159996 , 969837 , 6080725 , 5230367 , 47949334 , 58015547 , 477137160 , 880563218 , 172857352 , 8428243997
n×2
256880270
n×3
385320405
n×4
513760540
n×5
642200675
n÷2
64220067.5
n÷3
42813378.333333
n÷3
32110033.75
n÷5
25688027
n2
16496868278818225
n3
2.1188599888086E+24
n4
2.7214666300868E+32
n5
3.4954554136634E+40
2 √n
11333.14320919
3 √n
504.54540012739
4 √n
106.45723652805
5 √n
41.854306532846
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
-128440134
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 128440135 can be divided by 8 positive divisors.
The sum of these divisors (counting 128440135) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101001111101011101000111
3
Ternary
22221200102202001
4
Quaternary
13221331131013
5
Quinary
230340041020
6
Senary
20424530131
8
Octal
751753507
10
Decimal
128440135
12
Duodecimal
37020947
16
Hexadecimal
7a7d747
20
Vigesimal
202f06f
36
Base36
24gx1j
md5
f78a238160c06b26e539ca3f5e28779e
sha1
5ca9c463606b228eef2d005a05829733f53669a6
sha256
6c1e7d9541ca9dcb7577da640c9b1e90b4a843c82826453aa4c311ba2c09ec80
sha512
6bcac4b4946d0d1d90ebfdfe1980ce6be89d6e3f77098681846008879214d4afe98837c4e0b151d6c6bd7587e9a3a27606f2386580266af02a73672e18e0f380
ripemd-160
243891ac78e0edf702b7f06eaaf0ccd884b3b52d
Diameter
256880270
Circumference
807013169.08416
Area
5.1826440191974E+16
Volume
8.8754599664354E+24
Surface area
2.073057607679E+17
Circumference
807013169.08416
Perimeter
513760540
Area
16496868278818225
Diagonal
181641780.87003
Surface area
98981209672909350
Volume
2.1188599888086E+24
Space diagonal
222464839.55101
Perimeter
385320405
Area
7.1433535061711E+15
Altitude
111232419.7755
Surface area
7.1433535061711E+15
Volume
2.4971004441191E+23
Height
60547260.29001