128230909 is an odd 9-digits composite number following 128230908
and preceding 128230910 . In scientific notation, it is written as 1.28230909 × 10^8.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 127694140 positive integers (up to 128230909) that are relatively prime to 128230909.
128230909 has 4 divisors, whose sum is 128767680
The reverse of 128230909 is 909032821
Previous prime number is 239
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 34
Digital Root 7
Name
one hundred twenty-eight million two hundred thirty thousand nine hundred nine
Scientific notation
1.28230909 × 10^8
Engineering notation
1.28230909 × 10^6
Prime Factorization
239 × 536531
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
128230909
Product of the distinct prime numbers
The prime factorization of 128230909 is 239 × 536531.
Since it has a total of 2 prime factors.
3 , 7 , 59 , 78 , 587 , 60 , 7430 , 6921 , 38304 , 5134 , 828630 , 801311 , 2209918 , 4520911 , 69580999 , 97431258 , 151999580 , 541486164 , 5894513467 , 7471791342
n×2
256461818
n×3
384692727
n×4
512923636
n×5
641154545
n÷2
64115454.5
n÷3
42743636.333333
n÷3
32057727.25
n÷5
25646181.8
n2
16443166022966281
n3
2.1085221259629E+24
n4
2.7037770885883E+32
n5
3.4670779380305E+40
2 √n
11323.908733295
3 √n
504.27128698184
4 √n
106.4138559272
5 √n
41.840661700243
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128230908
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128230909 can be divided by 4 positive divisors.
The sum of these divisors (counting 128230909) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101001001010010111111101
3
Ternary
22221021210201221
4
Quaternary
13221022113331
5
Quinary
230311342114
6
Senary
20420233341
8
Octal
751122775
10
Decimal
128230909
12
Duodecimal
36b3b851
16
Hexadecimal
7a4a5fd
20
Vigesimal
2018h59
36
Base36
24cflp
md5
ca4ef7b74a7a2727daf75c328db58501
sha1
f545676d0f3a2e155b3a5ee8928a0ff48ca253aa
sha256
6d8211a962959fc6375bbb9ab7e01b8597f18f4f8b34298c0632f2f40a533654
sha512
df65f3a13c5687d8e549d268b058d028e3492724ab13c7b1f21d8522b5475817ad451ded42051eccec27a16f91a3b5da49e12825d0dd7bb0f7af726ebb1e046b
ripemd-160
a6abf9d79428ccd563d5a1db9483e0ac7fa90042
Diameter
256461818
Circumference
805698563.35508
Area
5.1657729579508E+16
Volume
8.8321568278087E+24
Surface area
2.0663091831803E+17
Circumference
805698563.35508
Perimeter
512923636
Area
16443166022966281
Diagonal
181345890.62323
Surface area
98658996137797686
Volume
2.1085221259629E+24
Space diagonal
222102449.48874
Perimeter
384692727
Area
7.120099747267E+15
Altitude
111051224.74437
Surface area
7.120099747267E+15
Volume
2.484917155917E+23
Height
60448630.207743