128331328 is an even 9-digits composite number following 128331327
and preceding 128331329 . In scientific notation, it is written as 1.28331328 × 10^8.
The sum of its digits is 31. It has a total of 8 prime factors and 28 positive divisors.
There are 64074240 positive integers (up to 128331328) that are relatively prime to 128331328.
128331328 has 28 divisors, whose sum is 255020572
The reverse of 128331328 is 823133821
Previous prime number is 1621
Is Prime? no
Number parity even
Number length 9
Sum of Digits 31
Digital Root 4
Name
one hundred twenty-eight million three hundred thirty-one thousand three hundred twenty-eight
Scientific notation
1.28331328 × 10^8
Engineering notation
1.28331328 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 1621 × 1237
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
4010354
Product of the distinct prime numbers
The prime factorization of 128331328 is 2 × 2 × 2 × 2 × 2 × 2 × 1621 × 1237.
Since it has a total of 8 prime factors.
9 , 10 , 90 , 87 , 580 , 454 , 6709 , 9473 , 7103 , 21387 , 750065 , 906619 , 6314986 , 9291075 , 57693470 , 43321026 , 336164630 , 949820062 , 8631704612 , 2932430778
n×2
256662656
n×3
384993984
n×4
513325312
n×5
641656640
n÷2
64165664
n÷3
42777109.333333
n÷3
32082832
n÷5
25666265.6
n2
16468929746243584
n3
2.1134796250741E+24
n4
2.7122564698671E+32
n5
3.4806747465463E+40
2 √n
11328.341802753
3 √n
504.40288605316
4 √n
106.43468326985
5 √n
41.847212822639
1 , 2 , 4 , 8 , 16 , 32 , 64 , 1237 , 1621 , 2474 , 3242 , 4948 , 6484 , 9896 , 12968 , 19792 , 25936 , 39584 , 51872 , 79168 , 103744 , 2005177 , 4010354 , 8020708 , 16041416 , 32082832 , 64165664 , 128331328
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
-128331327
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 128331328 can be divided by 28 positive divisors.
The sum of these divisors (counting 128331328) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
111101001100010111001000000
3
Ternary
22221110220111011
4
Quaternary
13221202321000
5
Quinary
230323100303
6
Senary
20422330304
8
Octal
751427100
10
Decimal
128331328
12
Duodecimal
36b89994
16
Hexadecimal
7a62e40
20
Vigesimal
2021868
36
Base36
24el34
md5
1da4287d0d6823656e274f0c2d378b57
sha1
2ad24ecd94ef888a7dfb89465f0326c8701d6190
sha256
d6edba88fba24840fd69238ba1db4032ea9cd668a7ecd65a175c5d4825531887
sha512
c8bafa81b717cfc33691651e2b0cf7333458d85b96c62b944be4be0a0d3f1c3f56eadd9e70a429fb801274f18f64adc4b2566d8ae83588b6567606af67ca3b4e
ripemd-160
965510a4ee1ac2ea5e998be037d577d7bb16fb83
Diameter
256662656
Circumference
806329514.54044
Area
5.1738668703285E+16
Volume
8.8529227515262E+24
Surface area
2.0695467481314E+17
Circumference
806329514.54044
Perimeter
513325312
Area
16468929746243584
Diagonal
181487904.53495
Surface area
98813578477461504
Volume
2.1134796250741E+24
Space diagonal
222276380.29879
Perimeter
384993984
Area
7.1312557666941E+15
Altitude
111138190.14939
Surface area
7.1312557666941E+15
Volume
2.4907596246492E+23
Height
60495968.178317