128840168 is an even 9-digits composite number following 128840167
and preceding 128840169 . In scientific notation, it is written as 1.28840168 × 10^8.
The sum of its digits is 38. It has a total of 5 prime factors and 16 positive divisors.
There are 64245888 positive integers (up to 128840168) that are relatively prime to 128840168.
128840168 has 16 divisors, whose sum is 242228580
The reverse of 128840168 is 861048821
Previous prime number is 373
Is Prime? no
Number parity even
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred twenty-eight million eight hundred forty thousand one hundred sixty-eight
Scientific notation
1.28840168 × 10^8
Engineering notation
1.28840168 × 10^6
Prime Factorization
2 × 2 × 2 × 373 × 43177
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
32210042
Product of the distinct prime numbers
The prime factorization of 128840168 is 2 × 2 × 2 × 373 × 43177.
Since it has a total of 5 prime factors.
3 , 3 , 78 , 31 , 676 , 406 , 9311 , 6579 , 97466 , 97947 , 112825 , 850719 , 5985957 , 6345524 , 94419207 , 27989878 , 504806267 , 6960952 , 1073346947 , 3739976924
n×2
257680336
n×3
386520504
n×4
515360672
n×5
644200840
n÷2
64420084
n÷3
42946722.666667
n÷3
32210042
n÷5
25768033.6
n2
16599788890268224
n3
2.1387195893867E+24
n4
2.7555299120147E+32
n5
3.55022936793E+40
2 √n
11350.778299306
3 √n
505.06866758957
4 √n
106.54003144033
5 √n
41.880345564677
1 , 2 , 4 , 8 , 373 , 746 , 1492 , 2984 , 43177 , 86354 , 172708 , 345416 , 16105021 , 32210042 , 64420084 , 128840168
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128840167
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128840168 can be divided by 16 positive divisors.
The sum of these divisors (counting 128840168) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101011011111000111101000
3
Ternary
22222102202111002
4
Quaternary
13223133013220
5
Quinary
230440341133
6
Senary
20441254132
8
Octal
753370750
10
Decimal
128840168
12
Duodecimal
37194348
16
Hexadecimal
7adf1e8
20
Vigesimal
2055088
36
Base36
24phpk
md5
723058dc272384042cc78ce3dccc1d8d
sha1
e7cf2bd29e009f31148cae168280cfba24f4dd70
sha256
905b3dac02dcaef396309f2d003d43cdc08d478a45a086e70d74c17c867a2ff7
sha512
4e75c4be5d91358904a3f470af464a1d2146fd254ea73f2dd078e9ef9e9c01b1ff56fd52851aef10d0f8756be1f48051cad81a83717043f187bf3903fb4dda18
ripemd-160
c4d4d51971844e4c96f0108990ce88581bddbbdc
Diameter
257680336
Circumference
809526650.55215
Area
5.2149774828808E+16
Volume
8.9586476668077E+24
Surface area
2.0859909931523E+17
Circumference
809526650.55215
Perimeter
515360672
Area
16599788890268224
Diagonal
182207512.96403
Surface area
99598733341609344
Volume
2.1387195893867E+24
Space diagonal
223157717.03171
Perimeter
386520504
Area
7.1879194382155E+15
Altitude
111578858.51585
Surface area
7.1879194382155E+15
Volume
2.5205052078531E+23
Height
60735837.654676