128698488 is an even 9-digits composite number following 128698487
and preceding 128698489 . In scientific notation, it is written as 1.28698488 × 10^8.
The sum of its digits is 54. It has a total of 6 prime factors and 24 positive divisors.
There are 42899472 positive integers (up to 128698488) that are relatively prime to 128698488.
128698488 has 24 divisors, whose sum is 348558600
The reverse of 128698488 is 884896821
Previous prime number is 3
Is Prime? no
Number parity even
Number length 9
Sum of Digits 54
Digital Root 9
Name
one hundred twenty-eight million six hundred ninety-eight thousand four hundred eighty-eight
Scientific notation
1.28698488 × 10^8
Engineering notation
1.28698488 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 3 × 1787479
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
10724874
Product of the distinct prime numbers
The prime factorization of 128698488 is 2 × 2 × 2 × 3 × 3 × 1787479.
Since it has a total of 6 prime factors.
9 , 1 , 15 , 41 , 669 , 101 , 7145 , 4412 , 87737 , 61068 , 528635 , 71686 , 3100380 , 5558081 , 11228690 , 56349005 , 938421648 , 225921358 , 3407439744 , 9493097737
n×2
257396976
n×3
386095464
n×4
514793952
n×5
643492440
n÷2
64349244
n÷3
42899496
n÷3
32174622
n÷5
25739697.6
n2
16563300813486144
n3
2.1316717709848E+24
n4
2.7434293383803E+32
n5
3.5307520778439E+40
2 √n
11344.535600896
3 √n
504.8834655785
4 √n
106.51072998011
5 √n
41.871130707
1 , 2 , 3 , 4 , 6 , 8 , 9 , 12 , 18 , 24 , 36 , 72 , 1787479 , 3574958 , 5362437 , 7149916 , 10724874 , 14299832 , 16087311 , 21449748 , 32174622 , 42899496 , 64349244 , 128698488
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
-128698487
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 128698488 can be divided by 24 positive divisors.
The sum of these divisors (counting 128698488) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111101010111100100001111000
3
Ternary
22222011120010200
4
Quaternary
13222330201320
5
Quinary
230421322423
6
Senary
20434242200
8
Octal
752744170
10
Decimal
128698488
12
Duodecimal
37126360
16
Hexadecimal
7abc878
20
Vigesimal
2047648
36
Base36
24mge0
md5
e56c5b0d283bf7077378a9142407743f
sha1
39d12a225e0cf05d9804f8d005311d9e513dcafd
sha256
69717b1becdec5bdac2cce2a7adc4b72307d94824f830e0636f81d2e8e221c4f
sha512
3caa33085399dfe5f164ed8e932b322a2603e4f07bea3a9c5122d79b6f125d2d9fddacf0be75b008bbb2a3a04ac35704e12585eafea846c6f4b4b981c1b0e953
ripemd-160
401c7a1f5d18db51f446c5f3f09bdd4b36df4549
Diameter
257396976
Circumference
808636448.85783
Area
5.2035144154846E+16
Volume
8.9291258341209E+24
Surface area
2.0814057661938E+17
Circumference
808636448.85783
Perimeter
514793952
Area
16563300813486144
Diagonal
182007147.18651
Surface area
99379804880916864
Volume
2.1316717709848E+24
Space diagonal
222912320.07329
Perimeter
386095464
Area
7.1721196375012E+15
Altitude
111456160.03665
Surface area
7.1721196375012E+15
Volume
2.5121992742122E+23
Height
60669049.06217