128843668 is an even 9-digits composite number following 128843667
and preceding 128843669 . In scientific notation, it is written as 1.28843668 × 10^8.
The sum of its digits is 46. It has a total of 4 prime factors and 12 positive divisors.
There are 63830592 positive integers (up to 128843668) that are relatively prime to 128843668.
128843668 has 12 divisors, whose sum is 227545780
The reverse of 128843668 is 866348821
Previous prime number is 109
Is Prime? no
Number parity even
Number length 9
Sum of Digits 46
Digital Root 1
Name
one hundred twenty-eight million eight hundred forty-three thousand six hundred sixty-eight
Scientific notation
1.28843668 × 10^8
Engineering notation
1.28843668 × 10^6
Prime Factorization
2 × 2 × 109 × 295513
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
64421834
Product of the distinct prime numbers
The prime factorization of 128843668 is 2 × 2 × 109 × 295513.
Since it has a total of 4 prime factors.
10 , 6 , 4 , 43 , 394 , 129 , 7829 , 7919 , 81139 , 367 , 305891 , 601719 , 4655441 , 1629335 , 56329122 , 23893309 , 502066862 , 36508987 , 6541678258 , 8908398295
n×2
257687336
n×3
386531004
n×4
515374672
n×5
644218340
n÷2
64421834
n÷3
42947889.333333
n÷3
32210917
n÷5
25768733.6
n2
16600690783694224
n3
2.138893891905E+24
n4
2.7558293449583E+32
n5
3.5507116118647E+40
2 √n
11350.932472709
3 √n
505.07324101921
4 √n
106.5407549847
5 √n
41.880573101817
1 , 2 , 4 , 109 , 218 , 436 , 295513 , 591026 , 1182052 , 32210917 , 64421834 , 128843668
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
-128843667
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 128843668 can be divided by 12 positive divisors.
The sum of these divisors (counting 128843668) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101011011111111110010100
3
Ternary
22222102221021201
4
Quaternary
13223133332110
5
Quinary
230440444133
6
Senary
20441322244
8
Octal
753377624
10
Decimal
128843668
12
Duodecimal
37196384
16
Hexadecimal
7adff94
20
Vigesimal
2055938
36
Base36
24pkes
md5
1f6f7ae88adf9426ad7d96dc6052d031
sha1
1a1ce0b5176a9d797b6c17ad26d9b62eec845d05
sha256
e84291cfa4a186e764a89f95b7f0565d1609837c3ec5862ed29c8320096f4aa0
sha512
392a8dc873d5527c5fd159e80ed69a0e722990b6d2570a0ce49eee2a62a700f1da208beca59cd61184ffb0c9a2670c7b4d30fe100e30aea1ea5e3653ec7843be
ripemd-160
cdf820fa7efcad2d02927020d47a69703ec438ef
Diameter
257687336
Circumference
809548641.70072
Area
5.215260821057E+16
Volume
8.9593777834889E+24
Surface area
2.0861043284228E+17
Circumference
809548641.70072
Perimeter
515374672
Area
16600690783694224
Diagonal
182212462.7115
Surface area
99604144702165344
Volume
2.138893891905E+24
Space diagonal
223163779.20954
Perimeter
386531004
Area
7.1883099695247E+15
Altitude
111581889.60477
Surface area
7.1883099695247E+15
Volume
2.5207106253408E+23
Height
60737487.570499