128515188 is an even 9-digits composite number following 128515187
and preceding 128515189 . In scientific notation, it is written as 1.28515188 × 10^8.
The sum of its digits is 39. It has a total of 4 prime factors and 12 positive divisors.
There are 42838392 positive integers (up to 128515188) that are relatively prime to 128515188.
128515188 has 12 divisors, whose sum is 299868800
The reverse of 128515188 is 881515821
Previous prime number is 3
Is Prime? no
Number parity even
Number length 9
Sum of Digits 39
Digital Root 3
Name
one hundred twenty-eight million five hundred fifteen thousand one hundred eighty-eight
Scientific notation
1.28515188 × 10^8
Engineering notation
1.28515188 × 10^6
Prime Factorization
2 × 2 × 3 × 10709599
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
64257594
Product of the distinct prime numbers
The prime factorization of 128515188 is 2 × 2 × 3 × 10709599.
Since it has a total of 4 prime factors.
1 , 10 , 9 , 78 , 654 , 118 , 7458 , 2785 , 17363 , 3668 , 957513 , 387110 , 2241050 , 5703162 , 14673574 , 32741308 , 443206575 , 130314927 , 7690352436 , 1376656692
n×2
257030376
n×3
385545564
n×4
514060752
n×5
642575940
n÷2
64257594
n÷3
42838396
n÷3
32128797
n÷5
25703037.6
n2
16516153546675344
n3
2.1225765780878E+24
n4
2.7278332797736E+32
n5
3.5056800678276E+40
2 √n
11336.453942922
3 √n
504.64365672613
4 √n
106.47278498716
5 √n
41.85919683803
1 , 2 , 3 , 4 , 6 , 12 , 10709599 , 21419198 , 32128797 , 42838396 , 64257594 , 128515188
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
-128515187
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 128515188 can be divided by 12 positive divisors.
The sum of these divisors (counting 128515188) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101010001111110001110100
3
Ternary
22221211020200210
4
Quaternary
13222033301310
5
Quinary
230344441223
6
Senary
20430305420
8
Octal
752176164
10
Decimal
128515188
12
Duodecimal
37058270
16
Hexadecimal
7a8fc74
20
Vigesimal
20347j8
36
Base36
24iiyc
md5
a369393565c049e07d14db9fca87ed59
sha1
859e8fd035260cd78ab4eed584bc0c47c0baa3f0
sha256
328a99faee069ed23a9a66111cc5aff34bff8a3d27a3033ad4139cd53578b2c1
sha512
587733b313c8658c72a2a4fbd5f529643339ea751615f8849c88bde8e821b20cb51fa78bcd3394133109b7346570e59b961a36c1a6e6840b369bc5e06bac6050
ripemd-160
b145d9b3fe83f555090a69d15a58d4129ff0db72
Diameter
257030376
Circumference
807484740.99102
Area
5.1887026647796E+16
Volume
8.8910279792034E+24
Surface area
2.0754810659119E+17
Circumference
807484740.99102
Perimeter
514060752
Area
16516153546675344
Diagonal
181747921.84053
Surface area
99096921280052064
Volume
2.1225765780878E+24
Space diagonal
222594835.16027
Perimeter
385545564
Area
7.1517042721127E+15
Altitude
111297417.58013
Surface area
7.1517042721127E+15
Volume
2.5014804865894E+23
Height
60582640.613509