128432845 is an odd 9-digits composite number following 128432844
and preceding 128432846 . In scientific notation, it is written as 1.28432845 × 10^8.
The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors.
There are 99428160 positive integers (up to 128432845) that are relatively prime to 128432845.
128432845 has 12 divisors, whose sum is 159257340
The reverse of 128432845 is 548234821
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1
Name
one hundred twenty-eight million four hundred thirty-two thousand eight hundred forty-five
Scientific notation
1.28432845 × 10^8
Engineering notation
1.28432845 × 10^6
Prime Factorization
5 × 31 × 31 × 26729
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
4142995
Product of the distinct prime numbers
The prime factorization of 128432845 is 5 × 31 × 31 × 26729.
Since it has a total of 4 prime factors.
6 , 1 , 48 , 100 , 618 , 768 , 8732 , 7678 , 46540 , 12847 , 369799 , 695349 , 1633347 , 9590793 , 12998784 , 84277783 , 192571096 , 175992928 , 8726732756 , 6432331193
n×2
256865690
n×3
385298535
n×4
513731380
n×5
642164225
n÷2
64216422.5
n÷3
42810948.333333
n÷3
32108211.25
n÷5
25686569
n2
16494995674794025
n3
2.1184992227765E+24
n4
2.7208488231147E+32
n5
3.4944635516753E+40
2 √n
11332.821581583
3 √n
504.53585429097
4 √n
106.45572592202
5 √n
41.853831409051
1 , 5 , 31 , 155 , 961 , 4805 , 26729 , 133645 , 828599 , 4142995 , 25686569 , 128432845
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128432844
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128432845 can be divided by 12 positive divisors.
The sum of these divisors (counting 128432845) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101001111011101011001101
3
Ternary
22221200001202001
4
Quaternary
13221323223031
5
Quinary
230334322340
6
Senary
20424432301
8
Octal
751735315
10
Decimal
128432845
12
Duodecimal
37018691
16
Hexadecimal
7a7bacd
20
Vigesimal
202e225
36
Base36
24grf1
md5
eeb8bf74f4d245782a5db01ffcf02e65
sha1
ca6f07aa81ddc246c8bc28553ee78e74b8de8fe6
sha256
0f102152e6a5248d0e86d963dd6a1ccd9f75070cbba99dfb5e0471e11cf5beb3
sha512
de4e4030cd63820733e79b0c46bec8c226844091c52200dd3c7b9c97cb3005d03b12ef34898d5f3226314402bb4e5003979970f5e4c3b2d99af29bc2c5b98737
ripemd-160
b71c40bc4096bf63935a376787358e0f09c63d68
Diameter
256865690
Circumference
806967364.66327
Area
5.1820557232928E+16
Volume
8.8739487932137E+24
Surface area
2.0728222893171E+17
Circumference
806967364.66327
Perimeter
513731380
Area
16494995674794025
Diagonal
181631471.25316
Surface area
98969974048764150
Volume
2.1184992227765E+24
Space diagonal
222452212.90062
Perimeter
385298535
Area
7.142542644843E+15
Altitude
111226106.45031
Surface area
7.142542644843E+15
Volume
2.4966752772728E+23
Height
60543823.751054