128385268 is an even 9-digits composite number following 128385267
and preceding 128385269 . In scientific notation, it is written as 1.28385268 × 10^8.
The sum of its digits is 43. It has a total of 5 prime factors and 24 positive divisors.
There are 56932800 positive integers (up to 128385268) that are relatively prime to 128385268.
128385268 has 24 divisors, whose sum is 251080704
The reverse of 128385268 is 862583821
Previous prime number is 41
Is Prime? no
Number parity even
Number length 9
Sum of Digits 43
Digital Root 7
Name
one hundred twenty-eight million three hundred eighty-five thousand two hundred sixty-eight
Scientific notation
1.28385268 × 10^8
Engineering notation
1.28385268 × 10^6
Prime Factorization
2 × 2 × 11 × 41 × 71167
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
64192634
Product of the distinct prime numbers
The prime factorization of 128385268 is 2 × 2 × 11 × 41 × 71167.
Since it has a total of 5 prime factors.
10 , 10 , 35 , 87 , 778 , 778 , 116 , 7017 , 1509 , 91767 , 250770 , 202696 , 987974 , 1627596 , 20283759 , 78570992 , 635162936 , 316853392 , 7239255296 , 7758644804
n×2
256770536
n×3
385155804
n×4
513541072
n×5
641926340
n÷2
64192634
n÷3
42795089.333333
n÷3
32096317
n÷5
25677053.6
n2
16482777039431824
n3
2.1161457475917E+24
n4
2.7168193893162E+32
n5
3.4879958540496E+40
2 √n
11330.722307073
3 √n
504.47354606802
4 √n
106.44586561757
5 √n
41.850730060849
1 , 2 , 4 , 11 , 22 , 41 , 44 , 82 , 164 , 451 , 902 , 1804 , 71167 , 142334 , 284668 , 782837 , 1565674 , 2917847 , 3131348 , 5835694 , 11671388 , 32096317 , 64192634 , 128385268
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128385267
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128385268 can be divided by 24 positive divisors.
The sum of these divisors (counting 128385268) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111101001110000000011110100
3
Ternary
22221120122110221
4
Quaternary
13221300003310
5
Quinary
230331312033
6
Senary
20423424124
8
Octal
751600364
10
Decimal
128385268
12
Duodecimal
36bb5044
16
Hexadecimal
7a700f4
20
Vigesimal
2028338
36
Base36
24fqpg
md5
3044b8af7ea7adc947ef748004f59880
sha1
354463e033729a82cc0aeb1224f606591d62ac26
sha256
b7dba6b358dcdabaa024c3b5f818e2cf4b21f0eede6c24a1ae479219f2b8e831
sha512
317aed00d1a7e0d515001edaa3265387da180905f63fae1c05100872536e318dec2b4895570adf828a38869d2eb6846cf5021dbdb9d0d58ba3d8323418304563
ripemd-160
17d864d1702868efc3078e85eba3b98c367775fd
Diameter
256770536
Circumference
806668429.55591
Area
5.1782171257838E+16
Volume
8.8640905794125E+24
Surface area
2.0712868503135E+17
Circumference
806668429.55591
Perimeter
513541072
Area
16482777039431824
Diagonal
181564187.2145
Surface area
98896662236590944
Volume
2.1161457475917E+24
Space diagonal
222369807.11935
Perimeter
385155804
Area
7.1372518205314E+15
Altitude
111184903.55967
Surface area
7.1372518205314E+15
Volume
2.4939016801686E+23
Height
60521395.738168