128160909 is an odd 9-digits composite number following 128160908
and preceding 128160910 . In scientific notation, it is written as 1.28160909 × 10^8.
The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors.
There are 76180608 positive integers (up to 128160909) that are relatively prime to 128160909.
128160909 has 24 divisors, whose sum is 206331840
The reverse of 128160909 is 909061821
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 36
Digital Root 9
Name
one hundred twenty-eight million one hundred sixty thousand nine hundred nine
Scientific notation
1.28160909 × 10^8
Engineering notation
1.28160909 × 10^6
Prime Factorization
3 × 3 × 17 × 19 × 44087
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
42720303
Product of the distinct prime numbers
The prime factorization of 128160909 is 3 × 3 × 17 × 19 × 44087.
Since it has a total of 5 prime factors.
5 , 3 , 18 , 9 , 190 , 756 , 1613 , 1610 , 37007 , 66503 , 480338 , 920153 , 8307700 , 7732279 , 19876265 , 2612407 , 871327208 , 685135767 , 7257470084 , 4326728918
n×2
256321818
n×3
384482727
n×4
512643636
n×5
640804545
n÷2
64080454.5
n÷3
42720303
n÷3
32040227.25
n÷5
25632181.8
n2
16425218595706281
n3
2.1050709457494E+24
n4
2.6978780591674E+32
n5
3.4576250443404E+40
2 √n
11320.817505816
3 √n
504.17951135759
4 √n
106.39933038237
5 √n
41.836092620787
1 , 3 , 9 , 17 , 19 , 51 , 57 , 153 , 171 , 323 , 969 , 2907 , 44087 , 132261 , 396783 , 749479 , 837653 , 2248437 , 2512959 , 6745311 , 7538877 , 14240101 , 42720303 , 128160909
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128160908
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128160909 can be divided by 24 positive divisors.
The sum of these divisors (counting 128160909) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111101000111001010010001101
3
Ternary
22221011020201100
4
Quaternary
13220321102031
5
Quinary
230302122114
6
Senary
20414533313
8
Octal
750712215
10
Decimal
128160909
12
Duodecimal
36b07239
16
Hexadecimal
7a3948d
20
Vigesimal
2010259
36
Base36
24axl9
md5
345c89ec381b62636568a1fb6ba3b748
sha1
aaa7ba119f1fe260420dfedd1763c78d59e9b6a8
sha256
d800bc0a01798b443a7f3f95d8f6aac9225d6c571c20e177cf975101f602ce1a
sha512
1d6beef7dfb99955a92c30dc9c33ced97a73c8f0dbbf20068f851b508369cc5adfbdd71c5f57979b3731cf45ba49e83e0af03672b2c8d8fce35b38fed3d7b7d0
ripemd-160
d8c101660c61d656f4be069ef9c25f199bc3cc88
Diameter
256321818
Circumference
805258740.38358
Area
5.1601346073877E+16
Volume
8.8177005579356E+24
Surface area
2.0640538429551E+17
Circumference
805258740.38358
Perimeter
512643636
Area
16425218595706281
Diagonal
181246895.67386
Surface area
98551311574237686
Volume
2.1050709457494E+24
Space diagonal
221981205.93221
Perimeter
384482727
Area
7.1123282832971E+15
Altitude
110990602.96611
Surface area
7.1123282832971E+15
Volume
2.4808499010303E+23
Height
60415631.891288