128668522 is an even 9-digits composite number following 128668521
and preceding 128668523 . In scientific notation, it is written as 1.28668522 × 10^8.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 64334260 positive integers (up to 128668522) that are relatively prime to 128668522.
128668522 has 4 divisors, whose sum is 193002786
The reverse of 128668522 is 225866821
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred twenty-eight million six hundred sixty-eight thousand five hundred twenty-two
Scientific notation
1.28668522 × 10^8
Engineering notation
1.28668522 × 10^6
Prime Factorization
2 × 64334261
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
128668522
Product of the distinct prime numbers
The prime factorization of 128668522 is 2 × 64334261.
Since it has a total of 2 prime factors.
2 , 10 , 82 , 38 , 793 , 361 , 4507 , 3772 , 48588 , 34442 , 148506 , 270672 , 7348210 , 8633258 , 26243974 , 20552071 , 153578663 , 43352441 , 6040998492 , 6377111291
n×2
257337044
n×3
386005566
n×4
514674088
n×5
643342610
n÷2
64334261
n÷3
42889507.333333
n÷3
32167130.5
n÷5
25733704.4
n2
16555588553664484
n3
2.1301831100401E+24
n4
2.7408751235823E+32
n5
3.526643511379E+40
2 √n
11343.214800047
3 √n
504.84427705202
4 √n
106.50452948136
5 √n
41.869180680707
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128668521
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128668522 can be divided by 4 positive divisors.
The sum of these divisors (counting 128668522) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101010110101001101101010
3
Ternary
22222010001000211
4
Quaternary
13222311031222
5
Quinary
230414343042
6
Senary
20433451334
8
Octal
752651552
10
Decimal
128668522
12
Duodecimal
37110b4a
16
Hexadecimal
7ab536a
20
Vigesimal
2043b62
36
Base36
24lt9m
md5
218a0520acdb6ace35f350526717eb9b
sha1
92307f0e46a291fe0401c53b78a8ae0c02256308
sha256
c24591db6a8335ca15f92c5337e76bdfa534cc0f2a57d7c3d68927b31ca12145
sha512
d12abbb5cca543ecd6c52d4fc10e73fd2505d033b06c67b24187263941c6d3a47e551ccd3bb06299220cb81706874acdee41c1c1875a681d484d442c98a2e24a
ripemd-160
90fbc9560852713d8884f8390c94b3bbd48e9f6a
Diameter
257337044
Circumference
808448166.92691
Area
5.2010915376048E+16
Volume
8.9228901457375E+24
Surface area
2.0804366150419E+17
Circumference
808448166.92691
Perimeter
514674088
Area
16555588553664484
Diagonal
181964768.8629
Surface area
99333531321986904
Volume
2.1301831100401E+24
Space diagonal
222860417.43879
Perimeter
386005566
Area
7.1687801310382E+15
Altitude
111430208.7194
Surface area
7.1687801310382E+15
Volume
2.510444870464E+23
Height
60654922.9543