128418880 is an even 9-digits composite number following 128418879
and preceding 128418881 . In scientific notation, it is written as 1.28418880 × 10^8.
The sum of its digits is 40. It has a total of 8 prime factors and 28 positive divisors.
There are 51367424 positive integers (up to 128418880) that are relatively prime to 128418880.
128418880 has 28 divisors, whose sum is 305798220
The reverse of 128418880 is 088814821
Previous prime number is 5
Is Prime? no
Number parity even
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred twenty-eight million four hundred eighteen thousand eight hundred eighty
Scientific notation
1.28418880 × 10^8
Engineering notation
1.28418880 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 5 × 401309
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
4013090
Product of the distinct prime numbers
The prime factorization of 128418880 is 2 × 2 × 2 × 2 × 2 × 2 × 5 × 401309.
Since it has a total of 8 prime factors.
8 , 1 , 43 , 5 , 874 , 493 , 2646 , 7134 , 55683 , 48868 , 479187 , 268342 , 7620865 , 1720845 , 1201394 , 99352942 , 603556159 , 736396766 , 9231875668 , 7423251901
n×2
256837760
n×3
385256640
n×4
513675520
n×5
642094400
n÷2
64209440
n÷3
42806293.333333
n÷3
32104720
n÷5
25683776
n2
16491408740454400
n3
2.1178082400714E+24
n4
2.7196656224474E+32
n5
3.4925641320919E+40
2 √n
11332.205434072
3 √n
504.51756691649
4 √n
106.4528319683
5 √n
41.852921183666
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 32 , 40 , 64 , 80 , 160 , 320 , 401309 , 802618 , 1605236 , 2006545 , 3210472 , 4013090 , 6420944 , 8026180 , 12841888 , 16052360 , 25683776 , 32104720 , 64209440 , 128418880
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128418879
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128418880 can be divided by 28 positive divisors.
The sum of these divisors (counting 128418880) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
111101001111000010001000000
3
Ternary
22221122100120211
4
Quaternary
13221320101000
5
Quinary
230333401010
6
Senary
20424243504
8
Octal
751702100
10
Decimal
128418880
12
Duodecimal
37010594
16
Hexadecimal
7a78440
20
Vigesimal
202c740
36
Base36
24ggn4
md5
52ed34dba5e7b7b6c03d52edc4a8fbb9
sha1
a2315fc3d4895aa36d66e9b0f6fe97c64fc0c030
sha256
30441d556fb79807bb4caba4440061e7c9d75f797d8b600b0ba166c468e9e24b
sha512
ded565818a6e4aed8322b7317abe6ff8a54e4f5e1747256c755c29f61e7f59d94e541b8b76cf470c86e09de09c9d6ce3505fe42d3cf8dc9beaa1b702a554bca2
ripemd-160
69dc6bcc6d19ec2a64dd07ed77aa9bccd6c7dd12
Diameter
256837760
Circumference
806879619.98046
Area
5.1809288546358E+16
Volume
8.8710544116268E+24
Surface area
2.0723715418543E+17
Circumference
806879619.98046
Perimeter
513675520
Area
16491408740454400
Diagonal
181611721.76076
Surface area
98948452442726400
Volume
2.1178082400714E+24
Space diagonal
222428024.81109
Perimeter
385256640
Area
7.1409894567131E+15
Altitude
111214012.40555
Surface area
7.1409894567131E+15
Volume
2.4958609463453E+23
Height
60537240.586921