128408040 is an even 9-digits composite number following 128408039
and preceding 128408041 . In scientific notation, it is written as 1.28408040 × 10^8.
The sum of its digits is 27. It has a total of 6 prime factors and 32 positive divisors.
There are 33899904 positive integers (up to 128408040) that are relatively prime to 128408040.
128408040 has 32 divisors, whose sum is 289313280
The reverse of 128408040 is 040804821
Previous prime number is 927
Is Prime? no
Number parity even
Number length 9
Sum of Digits 27
Digital Root 9
Name
one hundred twenty-eight million four hundred eight thousand forty
Scientific notation
1.28408040 × 10^8
Engineering notation
1.28408040 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 927 × 3463
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
32102010
Product of the distinct prime numbers
The prime factorization of 128408040 is 2 × 2 × 2 × 5 × 927 × 3463.
Since it has a total of 6 prime factors.
9 , 4 , 91 , 6 , 22 , 808 , 1543 , 624 , 53308 , 76318 , 21220 , 268784 , 1718218 , 7501495 , 76002814 , 32517896 , 412997829 , 855481265 , 272613355 , 4740239900
n×2
256816080
n×3
385224120
n×4
513632160
n×5
642040200
n÷2
64204020
n÷3
42802680
n÷3
32102010
n÷5
25681608
n2
16488624736641600
n3
2.1172719847277E+24
n4
2.7187474570579E+32
n5
3.4910903221579E+40
2 √n
11331.727141085
3 √n
504.50337086185
4 √n
106.45058544266
5 √n
41.852214588211
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 927 , 1854 , 3463 , 3708 , 4635 , 6926 , 7416 , 9270 , 13852 , 17315 , 18540 , 27704 , 34630 , 37080 , 69260 , 138520 , 3210201 , 6420402 , 12840804 , 16051005 , 25681608 , 32102010 , 64204020 , 128408040
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128408039
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128408040 can be divided by 32 positive divisors.
The sum of these divisors (counting 128408040) is 1, the average is 0.03125.
Base
System
Value
2
Binary
111101001110101100111101000
3
Ternary
22221121210201100
4
Quaternary
13221311213220
5
Quinary
230333024130
6
Senary
20424121400
8
Octal
751654750
10
Decimal
128408040
12
Duodecimal
37006260
16
Hexadecimal
7a759e8
20
Vigesimal
202b020
36
Base36
24g8a0
md5
e0f42eb065189295e3aef1401140740c
sha1
b271bacb0048ed5faec7046d7acf2a3ad186028b
sha256
b90ccac3181610c2fa835593263cf0a83b9566c97fbceb75bf32e87e72c66f6a
sha512
549ec72e8a550861c5c651626edbc9c9db84182c1d37f11ffc95d2fcbb12bcd792a5cc3c214c3746c9927f4841ea93c561c91e0e79804b16b3a9f53d7c272d93
ripemd-160
c653b5c5dffe6b3cf31ed33520555373ec09eff5
Diameter
256816080
Circumference
806811510.25173
Area
5.1800542340432E+16
Volume
8.8688081504959E+24
Surface area
2.0720216936173E+17
Circumference
806811510.25173
Perimeter
513632160
Area
16488624736641600
Diagonal
181596391.68575
Surface area
98931748419849600
Volume
2.1172719847277E+24
Space diagonal
222409249.38034
Perimeter
385224120
Area
7.1397839477001E+15
Altitude
111204624.69017
Surface area
7.1397839477001E+15
Volume
2.4952289633621E+23
Height
60532130.561916