128470909 is an odd 9-digits composite number following 128470908
and preceding 128470910 . In scientific notation, it is written as 1.28470909 × 10^8.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 110117916 positive integers (up to 128470909) that are relatively prime to 128470909.
128470909 has 4 divisors, whose sum is 146823904
The reverse of 128470909 is 909074821
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred twenty-eight million four hundred seventy thousand nine hundred nine
Scientific notation
1.28470909 × 10^8
Engineering notation
1.28470909 × 10^6
Prime Factorization
7 × 18352987
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
128470909
Product of the distinct prime numbers
The prime factorization of 128470909 is 7 × 18352987.
Since it has a total of 2 prime factors.
3 , 5 , 82 , 2 , 458 , 913 , 674 , 5251 , 77461 , 62256 , 404542 , 82362 , 764149 , 940056 , 32132142 , 75633578 , 726252876 , 160719694 , 4025395694 , 643556646
n×2
256941818
n×3
385412727
n×4
513883636
n×5
642354545
n÷2
64235454.5
n÷3
42823636.333333
n÷3
32117727.25
n÷5
25694181.8
n2
16504774459286281
n3
2.1203833776245E+24
n4
2.7240757995191E+32
n5
3.4996449414912E+40
2 √n
11334.500827121
3 √n
504.58569293317
4 √n
106.46361269054
5 √n
41.856311982317
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
-128470908
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 128470909 can be divided by 4 positive divisors.
The sum of these divisors (counting 128470909) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101010000100111101111101
3
Ternary
22221201222221211
4
Quaternary
13222010331331
5
Quinary
230342032114
6
Senary
20425324421
8
Octal
752047575
10
Decimal
128470909
12
Duodecimal
37036711
16
Hexadecimal
7a84f7d
20
Vigesimal
202ih59
36
Base36
24hksd
md5
1d4568f4c03a7a6a542158a1b760bbda
sha1
2b79c39bff1fadc33a23847afb8c4dcbfd4b9123
sha256
249bcb0c8e3375f2fe8add82fd3b9dbd831617186d56742b0fffa2ed4677842f
sha512
5b1ec46f2538c4ba219fac9cb799096602aff59579cd7e1ee5bbc1ad4c529535a61a1acfa9463d56445660bd7516bdf61040cf0f8f2cf5279b42f02eab9dff74
ripemd-160
bba8ce48c6299639b669bb963b5a45e00392050a
Diameter
256941818
Circumference
807206527.82881
Area
5.185127819045E+16
Volume
8.8818411225854E+24
Surface area
2.074051127618E+17
Circumference
807206527.82881
Perimeter
513883636
Area
16504774459286281
Diagonal
181685301.8782
Surface area
99028646755717686
Volume
2.1203833776245E+24
Space diagonal
222518141.68256
Perimeter
385412727
Area
7.1467769827372E+15
Altitude
111259070.84128
Surface area
7.1467769827372E+15
Volume
2.4988957750559E+23
Height
60561767.292733