128225838 is an even 9-digits composite number following 128225837
and preceding 128225839 . In scientific notation, it is written as 1.28225838 × 10^8.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 39333888 positive integers (up to 128225838) that are relatively prime to 128225838.
128225838 has 16 divisors, whose sum is 197871840
The reverse of 128225838 is 838522821
Previous prime number is 353
Is Prime? no
Number parity even
Number length 9
Sum of Digits 39
Digital Root 3
Name
one hundred twenty-eight million two hundred twenty-five thousand eight hundred thirty-eight
Scientific notation
1.28225838 × 10^8
Engineering notation
1.28225838 × 10^6
Prime Factorization
2 × 39 × 353 × 4657
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128225838
Product of the distinct prime numbers
The prime factorization of 128225838 is 2 × 39 × 353 × 4657.
Since it has a total of 4 prime factors.
9 , 7 , 79 , 72 , 856 , 354 , 554 , 7470 , 23086 , 61090 , 788858 , 808651 , 5465934 , 5642094 , 54471362 , 75575346 , 753874648 , 663618168 , 7932818186 , 7347518345
n×2
256451676
n×3
384677514
n×4
512903352
n×5
641129190
n÷2
64112919
n÷3
42741946
n÷3
32056459.5
n÷5
25645167.6
n2
16441865530802244
n3
2.1082719859704E+24
n4
2.7033494213298E+32
n5
3.4663924495683E+40
2 √n
11323.684824296
3 √n
504.2646396157
4 √n
106.41280385506
5 √n
41.840330770121
1 , 2 , 39 , 78 , 353 , 706 , 4657 , 9314 , 13767 , 27534 , 181623 , 363246 , 1643921 , 3287842 , 64112919 , 128225838
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
-128225837
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 128225838 can be divided by 16 positive divisors.
The sum of these divisors (counting 128225838) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101001001001001000101110
3
Ternary
22221021112210010
4
Quaternary
13221021020232
5
Quinary
230311211323
6
Senary
20420154050
8
Octal
751111056
10
Decimal
128225838
12
Duodecimal
36b38926
16
Hexadecimal
7a4922e
20
Vigesimal
20184bi
36
Base36
24cbou
md5
c97a35514206654713049485ba99227a
sha1
8b46678a885438ab642c59aed58b5d8bfdf84691
sha256
a8be9d101f892295571611ecfeb9d88961a9178df14a5d5e57d53152e91f4e7c
sha512
c91ae99a7e565f2d5c8f9c29374c48ebe5ace6124792445fa49dfadce9b2b652397d2773e7e58fcb42a13609452624d699f104b472ec382cb8bdebfdfee4cea2
ripemd-160
995ff51e7fa595e473cad35def22e8f8896986ed
Diameter
256451676
Circumference
805666701.32239
Area
5.165364396288E+16
Volume
8.8311090438585E+24
Surface area
2.0661457585152E+17
Circumference
805666701.32239
Perimeter
512903352
Area
16441865530802244
Diagonal
181338719.14626
Surface area
98651193184813464
Volume
2.1082719859704E+24
Space diagonal
222093666.2591
Perimeter
384677514
Area
7.1195366176412E+15
Altitude
111046833.12955
Surface area
7.1195366176412E+15
Volume
2.4846223631089E+23
Height
60446239.715418