128741008 is an even 9-digits composite number following 128741007
and preceding 128741009 . In scientific notation, it is written as 1.28741008 × 10^8.
The sum of its digits is 31. It has a total of 6 prime factors and 20 positive divisors.
There are 58518560 positive integers (up to 128741008) that are relatively prime to 128741008.
128741008 has 20 divisors, whose sum is 272112048
The reverse of 128741008 is 800147821
Previous prime number is 11
Is Prime? no
Number parity even
Number length 9
Sum of Digits 31
Digital Root 4
Name
one hundred twenty-eight million seven hundred forty-one thousand eight
Scientific notation
1.28741008 × 10^8
Engineering notation
1.28741008 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 11 × 731483
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
16092626
Product of the distinct prime numbers
The prime factorization of 128741008 is 2 × 2 × 2 × 2 × 11 × 731483.
Since it has a total of 6 prime factors.
9 , 4 , 33 , 89 , 315 , 559 , 7292 , 342 , 61617 , 95736 , 3213 , 830669 , 2474966 , 1630689 , 10615188 , 31973835 , 618968258 , 136504314 , 6816920297 , 3196581790
n×2
257482016
n×3
386223024
n×4
514964032
n×5
643705040
n÷2
64370504
n÷3
42913669.333333
n÷3
32185252
n÷5
25748201.6
n2
16574247140856064
n3
2.1337852837549E+24
n4
2.7470566828618E+32
n5
3.5365884638476E+40
2 √n
11346.409476129
3 √n
504.93906136555
4 √n
106.51952626692
5 √n
41.873897056893
1 , 2 , 4 , 8 , 11 , 16 , 22 , 44 , 88 , 176 , 731483 , 1462966 , 2925932 , 5851864 , 8046313 , 11703728 , 16092626 , 32185252 , 64370504 , 128741008
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128741007
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128741008 can be divided by 20 positive divisors.
The sum of these divisors (counting 128741008) is 1, the average is 0.05.
Base
System
Value
2
Binary
111101011000110111010010000
3
Ternary
22222020201110111
4
Quaternary
13223012322100
5
Quinary
230424203013
6
Senary
20435211104
8
Octal
753067220
10
Decimal
128741008
12
Duodecimal
37146a94
16
Hexadecimal
7ac6e90
20
Vigesimal
204cca8
36
Base36
24nd74
md5
ca3fb34fd06021e9d0ecf31f3f9f3e92
sha1
d222326e53fd65b798ba7e11ab9cb6e5c91f618a
sha256
9b1ebc799f192cea4e07c50fd252215c80ed9bb6b182c6c4da86b93272e50ffe
sha512
b7cce42990a753952e7ef52335b35d31669dee69ddfbf723d3038e7713a5d9331c19428b11f549c40b2100e728fce58f9673008350a9f05583de7d6e86f397be
ripemd-160
a82ce338e465834cf462f0ebbe439ffa07c414c2
Diameter
257482016
Circumference
808903609.89709
Area
5.2069533056495E+16
Volume
8.93797889571E+24
Surface area
2.0827813222598E+17
Circumference
808903609.89709
Perimeter
514964032
Area
16574247140856064
Diagonal
182067279.54718
Surface area
99445482845136384
Volume
2.1337852837549E+24
Space diagonal
222985966.87363
Perimeter
386223024
Area
7.1768595362915E+15
Altitude
111492983.43682
Surface area
7.1768595362915E+15
Volume
2.5146900728986E+23
Height
60689093.182394