128385266 is an even 9-digits composite number following 128385265
and preceding 128385267 . In scientific notation, it is written as 1.28385266 × 10^8.
The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors.
There are 63101280 positive integers (up to 128385266) that are relatively prime to 128385266.
128385266 has 16 divisors, whose sum is 195864480
The reverse of 128385266 is 662583821
Previous prime number is 761
Is Prime? no
Number parity even
Number length 9
Sum of Digits 41
Digital Root 5
Name
one hundred twenty-eight million three hundred eighty-five thousand two hundred sixty-six
Scientific notation
1.28385266 × 10^8
Engineering notation
1.28385266 × 10^6
Prime Factorization
2 × 67 × 761 × 1259
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128385266
Product of the distinct prime numbers
The prime factorization of 128385266 is 2 × 67 × 761 × 1259.
Since it has a total of 4 prime factors.
7 , 7 , 70 , 29 , 193 , 399 , 707 , 475 , 97195 , 46903 , 662535 , 251896 , 2611060 , 5338074 , 64996275 , 92401485 , 934672036 , 919524835 , 6479243148 , 890214130
n×2
256770532
n×3
385155798
n×4
513541064
n×5
641926330
n÷2
64192633
n÷3
42795088.666667
n÷3
32096316.5
n÷5
25677053.2
n2
16482776525890756
n3
2.116145648695E+24
n4
2.7168192200246E+32
n5
3.4879955823676E+40
2 √n
11330.722218817
3 √n
504.47354344844
4 √n
106.44586520301
5 √n
41.850729930458
1 , 2 , 67 , 134 , 761 , 1259 , 1522 , 2518 , 50987 , 84353 , 101974 , 168706 , 958099 , 1916198 , 64192633 , 128385266
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
-128385265
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 128385266 can be divided by 16 positive divisors.
The sum of these divisors (counting 128385266) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101001110000000011110010
3
Ternary
22221120122110212
4
Quaternary
13221300003302
5
Quinary
230331312031
6
Senary
20423424122
8
Octal
751600362
10
Decimal
128385266
12
Duodecimal
36bb5042
16
Hexadecimal
7a700f2
20
Vigesimal
2028336
36
Base36
24fqpe
md5
087f7a3bdf3ea4dcbe1151776a1f8795
sha1
27ccb9ba88be01ebfce6e264d6f6c952b1157d14
sha256
560e1e8a5cfff732061e1409594e44178f97e3710e781327f298fb57082c6e2e
sha512
95f6083879ff41d620e1b777b2a8ee75086dbbb59153342bd13200d2c6246ddf586617a144a18e5d80dfa290ebdaaf9d8107fd0374c4ccfbe6c411eec35d5c35
ripemd-160
ef1266baa0a8f1908f108a125614468be47f35dd
Diameter
256770532
Circumference
806668416.98954
Area
5.1782169644501E+16
Volume
8.8640901651551E+24
Surface area
2.07128678578E+17
Circumference
806668416.98954
Perimeter
513541064
Area
16482776525890756
Diagonal
181564184.38608
Surface area
98896659155344536
Volume
2.116145648695E+24
Space diagonal
222369803.65525
Perimeter
385155798
Area
7.1372515981616E+15
Altitude
111184901.82762
Surface area
7.1372515981616E+15
Volume
2.4939015636178E+23
Height
60521394.795359