128146768 is an even 9-digits composite number following 128146767
and preceding 128146769 . In scientific notation, it is written as 1.28146768 × 10^8.
The sum of its digits is 43. It has a total of 6 prime factors and 20 positive divisors.
There are 63910400 positive integers (up to 128146768) that are relatively prime to 128146768.
128146768 has 20 divisors, whose sum is 248915988
The reverse of 128146768 is 867641821
Previous prime number is 401
Is Prime? no
Number parity even
Number length 9
Sum of Digits 43
Digital Root 7
Name
one hundred twenty-eight million one hundred forty-six thousand seven hundred sixty-eight
Scientific notation
1.28146768 × 10^8
Engineering notation
1.28146768 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 401 × 19973
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
16018346
Product of the distinct prime numbers
The prime factorization of 128146768 is 2 × 2 × 2 × 2 × 401 × 19973.
Since it has a total of 6 prime factors.
10 , 8 , 57 , 78 , 577 , 497 , 4 , 3205 , 12457 , 1277 , 971031 , 762863 , 7449251 , 4010781 , 40040671 , 42725689 , 246547167 , 946280786 , 525483761 , 3354804589
n×2
256293536
n×3
384440304
n×4
512587072
n×5
640733840
n÷2
64073384
n÷3
42715589.333333
n÷3
32036692
n÷5
25629353.6
n2
16421594148845824
n3
2.1043742155823E+24
n4
2.6966875438941E+32
n5
3.4557179305588E+40
2 √n
11320.192931218
3 √n
504.16096731333
4 √n
106.39639529241
5 √n
41.83516935908
1 , 2 , 4 , 8 , 16 , 401 , 802 , 1604 , 3208 , 6416 , 19973 , 39946 , 79892 , 159784 , 319568 , 8009173 , 16018346 , 32036692 , 64073384 , 128146768
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
-128146767
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 128146768 can be divided by 20 positive divisors.
The sum of these divisors (counting 128146768) is 1, the average is 0.05.
Base
System
Value
2
Binary
111101000110101110101010000
3
Ternary
22221010112022121
4
Quaternary
13220311311100
5
Quinary
230301144033
6
Senary
20414344024
8
Octal
750656520
10
Decimal
128146768
12
Duodecimal
36abb014
16
Hexadecimal
7a35d50
20
Vigesimal
200i6i8
36
Base36
24amog
md5
16964c1e160438cc3fdbfba98a884e47
sha1
15a2bd041ca38506e33147d0395294568c64c6ea
sha256
a5e0c4743bb69ab5b1b0997571406a4d7dcfc7641afff278cb1e22183c369282
sha512
7f86f131a919af3ef557e2700b26e5e3d4cddacd7c9c93821e38f911d7b97259f58467d0cb5368b87cec07d0cdcc00ff808e1f72e4b02adabeaa6e8415d1f055
ripemd-160
cc12e034c55b6ea223f7d67c22e0c5ac2e7d9f42
Diameter
256293536
Circumference
805169889.86015
Area
5.1589959538247E+16
Volume
8.8147821014362E+24
Surface area
2.0635983815299E+17
Circumference
805169889.86015
Perimeter
512587072
Area
16421594148845824
Diagonal
181226897.27988
Surface area
98529564893074944
Volume
2.1043742155823E+24
Space diagonal
221956713.00174
Perimeter
384440304
Area
7.1107588517692E+15
Altitude
110978356.50087
Surface area
7.1107588517692E+15
Volume
2.4800287966539E+23
Height
60408965.75996