128545189 is an odd 9-digits composite number following 128545188
and preceding 128545190 . In scientific notation, it is written as 1.28545189 × 10^8.
The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors.
There are 119750400 positive integers (up to 128545189) that are relatively prime to 128545189.
128545189 has 16 divisors, whose sum is 137741824
The reverse of 128545189 is 981545821
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7
Name
one hundred twenty-eight million five hundred forty-five thousand one hundred eighty-nine
Scientific notation
1.28545189 × 10^8
Engineering notation
1.28545189 × 10^6
Prime Factorization
31 × 43 × 73 × 1321
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128545189
Product of the distinct prime numbers
The prime factorization of 128545189 is 31 × 43 × 73 × 1321.
Since it has a total of 4 prime factors.
2 , 8 , 9 , 42 , 875 , 386 , 7165 , 6538 , 27550 , 11052 , 98695 , 384568 , 6407121 , 5655748 , 85976097 , 59269023 , 198878901 , 570786442 , 1457313220 , 9854031550
n×2
257090378
n×3
385635567
n×4
514180756
n×5
642725945
n÷2
64272594.5
n÷3
42848396.333333
n÷3
32136297.25
n÷5
25709037.8
n2
16523865615045721
n3
2.1240634284967E+24
n4
2.7303813486409E+32
n5
3.5097738650312E+40
2 √n
11337.777074894
3 √n
504.68292221851
4 √n
106.47899828086
5 √n
41.861151004748
1 , 31 , 43 , 73 , 1321 , 1333 , 2263 , 3139 , 40951 , 56803 , 96433 , 97309 , 1760893 , 2989423 , 4146619 , 128545189
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128545188
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128545189 can be divided by 16 positive divisors.
The sum of these divisors (counting 128545189) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101010010111000110100101
3
Ternary
22221212202211221
4
Quaternary
13222113012211
5
Quinary
230401421224
6
Senary
20431100341
8
Octal
752270645
10
Decimal
128545189
12
Duodecimal
370716b1
16
Hexadecimal
7a971a5
20
Vigesimal
20382j9
36
Base36
24j63p
md5
48c91e916b2d840dff0f1974f6cddfe1
sha1
113d9557faf3187b86fb282e19890ca4fd34bdb0
sha256
039859a385fb781ee910aef1aa07370b176d28182f0c8dab308ab06fc8e6dd75
sha512
92547a9a859c3d0a72d6b1442ca8b4474b26541f49dc186ea2c38e09a8fc1ba6eb6898d23277908e9a67bd62edf65ea6f5259b21e64245e49334a6a0b84e8864
ripemd-160
5100e6735ca924927214bd42add90520da21fd35
Diameter
257090378
Circumference
807673242.83342
Area
5.1911254825133E+16
Volume
8.8972560836318E+24
Surface area
2.0764501930053E+17
Circumference
807673242.83342
Perimeter
514180756
Area
16523865615045721
Diagonal
181790349.66161
Surface area
99143193690274326
Volume
2.1240634284967E+24
Space diagonal
222646798.41654
Perimeter
385635567
Area
7.1550436956749E+15
Altitude
111323399.20827
Surface area
7.1550436956749E+15
Volume
2.5032327566006E+23
Height
60596783.220538