128493856 is an even 9-digits composite number following 128493855
and preceding 128493857 . In scientific notation, it is written as 1.28493856 × 10^8.
The sum of its digits is 46. It has a total of 7 prime factors and 24 positive divisors.
There are 64124928 positive integers (up to 128493856) that are relatively prime to 128493856.
128493856 has 24 divisors, whose sum is 253452780
The reverse of 128493856 is 658394821
Previous prime number is 569
Is Prime? no Number parity even Number length 9 Sum of Digits 46 Digital Root 1
Name
one hundred twenty-eight million four hundred ninety-three thousand eight hundred fifty-six
Scientific notation
1.28493856 × 10^8
Engineering notation
1.28493856 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 569 × 7057
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
7 Total number of prime factors
rad Radical
8030866 Product of the distinct prime numbers
The prime factorization of 128493856 is 2 × 2 × 2 × 2 × 2 × 569 × 7057.
Since it has a total of 7 prime factors.
8 , 9 , 70 , 72 , 543 , 419 , 2182 , 1963 , 87620 , 24361 , 761391 , 511885 , 9865246 , 7142780 , 91339219 , 40247124 , 876867826 , 28202452 , 5818884871 , 1529727571
n×2
256987712
n×3
385481568
n×4
513975424
n×5
642469280
n÷2
64246928
n÷3
42831285.333333
n÷3
32123464
n÷5
25698771.2
n2
16510671029748736
n3
2.1215197857599E+24
n4
2.7260225785258E+32
n5
3.5027715265785E+40
2 √n11335.513045293
3 √n504.61573355655
4 √n106.46836640661
5 √n41.857807119517
1 , 2 , 4 , 8 , 16 , 32 , 569 , 1138 , 2276 , 4552 , 7057 , 9104 , 14114 , 18208 , 28228 , 56456 , 112912 , 225824 , 4015433 , 8030866 , 16061732 , 32123464 , 64246928 , 128493856
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
-128493855 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 128493856 can be divided by 24 positive divisors.
The sum of these divisors (counting 128493856) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111101010001010100100100000
3
Ternary
22221210011102201
4
Quaternary
13222022210200
5
Quinary
230343300411
6
Senary
20430022544
8
Octal
752124440
10
Decimal
128493856
12
Duodecimal
37047a54
16
Hexadecimal
7a8a920
20
Vigesimal
2031ecg
36
Base36
24i2hs
md5
3b210fc1d5d0ecb4494c726ce6c0c25d
sha1
1a6dc8bcad1e2f7c2d36f14411f63cae4f3bc495
sha256
089729b22c377bb57abbd3ee8d6a19feb0d320e1137f37454e9ed12ce79ba864
sha512
fd75a97cdf75b48cde02ef6b7131d1bcfd89a4c8d6665f5f65de518fe26690ab3a880deceb879e4aedf2c05b20328f1e79b1d8feb9e6ea57941859b557338ad0
ripemd-160
5fd21919fc70d046dce3f53d78f88c09cc7e146b
Diameter
256987712
Circumference
807350708.08205
Area
5.1869802812896E+16
Volume
8.8866012978516E+24
Surface area
2.0747921125159E+17
Circumference
807350708.08205
Perimeter
513975424
Area
16510671029748736
Diagonal
181717753.83682
Surface area
99064026178492416
Volume
2.1215197857599E+24
Space diagonal
222557887.05244
Perimeter
385481568
Area
7.1493302726451E+15
Altitude
111278943.52622
Surface area
7.1493302726451E+15
Volume
2.5002350448871E+23
Height
60572584.612272