128216390 is an even 9-digits composite number following 128216389
and preceding 128216391 . In scientific notation, it is written as 1.28216390 × 10^8.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 51017280 positive integers (up to 128216390) that are relatively prime to 128216390.
128216390 has 16 divisors, whose sum is 232001280
The reverse of 128216390 is 093612821
Previous prime number is 191
Is Prime? no
Number parity even
Number length 9
Sum of Digits 32
Digital Root 5
Name
one hundred twenty-eight million two hundred sixteen thousand three hundred ninety
Scientific notation
1.28216390 × 10^8
Engineering notation
1.28216390 × 10^6
Prime Factorization
2 × 5 × 191 × 67129
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128216390
Product of the distinct prime numbers
The prime factorization of 128216390 is 2 × 5 × 191 × 67129.
Since it has a total of 4 prime factors.
6 , 9 , 23 , 54 , 566 , 99 , 8391 , 8111 , 1683 , 57236 , 896002 , 500704 , 605542 , 9408655 , 47709676 , 78716092 , 684321808 , 65751782 , 2680082085 , 1808089331
n×2
256432780
n×3
384649170
n×4
512865560
n×5
641081950
n÷2
64108195
n÷3
42738796.666667
n÷3
32054097.5
n÷5
25643278
n2
16439442664632100
n3
2.1078059920711E+24
n4
2.7025527512373E+32
n5
3.4651155754821E+40
2 √n
11323.267637921
3 √n
504.25225415214
4 √n
106.41084361061
5 √n
41.839714171934
1 , 2 , 5 , 10 , 191 , 382 , 955 , 1910 , 67129 , 134258 , 335645 , 671290 , 12821639 , 25643278 , 64108195 , 128216390
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128216389
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128216390 can be divided by 16 positive divisors.
The sum of these divisors (counting 128216390) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101001000110110101000110
3
Ternary
22221021001211012
4
Quaternary
13221012311012
5
Quinary
230310411030
6
Senary
20420042222
8
Octal
751066506
10
Decimal
128216390
12
Duodecimal
36b33372
16
Hexadecimal
7a46d46
20
Vigesimal
20170ja
36
Base36
24c4ee
md5
8239bbb10700fe637a6816c2fec4a426
sha1
d8f3f6c26ccf6ff5e6ba10c8b74ff5dba01363c2
sha256
26b45929a4ec0c93499859a7309e6a2a43cebf6f81296700834117ab842868c5
sha512
5d4860ca4e71e557c1628af187d4d9bdf66ef69fa910375c9ebf4a6fbf7005a70878052191da90342cd992616e9e59bc66bc1855b8b3f03da1b4e9a2e3294888
ripemd-160
243ce9ab230ff0d11cda3a70e38758fce088f379
Diameter
256432780
Circumference
805607337.78761
Area
5.1646032304319E+16
Volume
8.8291570931775E+24
Surface area
2.0658412921728E+17
Circumference
805607337.78761
Perimeter
512865560
Area
16439442664632100
Diagonal
181325357.65652
Surface area
98636655987792600
Volume
2.1078059920711E+24
Space diagonal
222077301.84307
Perimeter
384649170
Area
7.1184874858146E+15
Altitude
111038650.92153
Surface area
7.1184874858146E+15
Volume
2.4840731840319E+23
Height
60441785.885506