128049509 is an odd 9-digits composite number following 128049508
and preceding 128049510 . In scientific notation, it is written as 1.28049509 × 10^8.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 109676736 positive integers (up to 128049509) that are relatively prime to 128049509.
128049509 has 8 divisors, whose sum is 146448960
The reverse of 128049509 is 905940821
Previous prime number is 11779
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred twenty-eight million forty-nine thousand five hundred nine
Scientific notation
1.28049509 × 10^8
Engineering notation
1.28049509 × 10^6
Prime Factorization
7 × 11779 × 1553
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
128049509
Product of the distinct prime numbers
The prime factorization of 128049509 is 7 × 11779 × 1553.
Since it has a total of 3 prime factors.
10 , 4 , 44 , 10 , 50 , 892 , 9829 , 6445 , 45490 , 81015 , 865274 , 244993 , 3986711 , 7014654 , 83261790 , 61075884 , 651196951 , 274932081 , 581144758 , 5439943935
n×2
256099018
n×3
384148527
n×4
512198036
n×5
640247545
n÷2
64024754.5
n÷3
42683169.666667
n÷3
32012377.25
n÷5
25609901.8
n2
16396676755141081
n3
2.0995864077275E+24
n4
2.6885100861258E+32
n5
3.4426239646996E+40
2 √n
11315.896296803
3 √n
504.03338807325
4 √n
106.37620174082
5 √n
41.828817138717
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128049508
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128049509 can be divided by 8 positive divisors.
The sum of these divisors (counting 128049509) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101000011110000101100101
3
Ternary
22220221120220102
4
Quaternary
13220132011211
5
Quinary
230240041014
6
Senary
20412313445
8
Octal
750360545
10
Decimal
128049509
12
Duodecimal
36a72885
16
Hexadecimal
7a1e165
20
Vigesimal
20063f9
36
Base36
248jmt
md5
c6f51928f430ddc20148a370fa74eb66
sha1
aaa5f278bf112488bf2cd91c3046e05458b68669
sha256
379b2bf37321bfc83d21e0c5e180e5e3156ff0bbb997a37d564d7801728f4df1
sha512
3268c53710c074077ba849369c1cc3179d6df7deb2dca702645d138d70c76b7ddf561764853b2998ea02aeefe750d00a93863c6df462da267d5b8f4fe35a0e73
ripemd-160
ea53a30eefe8b216946fe5782b35051cc8fb6cb4
Diameter
256099018
Circumference
804558793.54036
Area
5.1511679237238E+16
Volume
8.7947269787917E+24
Surface area
2.0604671694895E+17
Circumference
804558793.54036
Perimeter
512198036
Area
16396676755141081
Diagonal
181089352.28302
Surface area
98380060530846486
Volume
2.0995864077275E+24
Space diagonal
221788255.47225
Perimeter
384148527
Area
7.099969303797E+15
Altitude
110894127.73612
Surface area
7.099969303797E+15
Volume
2.4743863109854E+23
Height
60363117.427672