128381566 is an even 9-digits composite number following 128381565
and preceding 128381567 . In scientific notation, it is written as 1.28381566 × 10^8.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 64051680 positive integers (up to 128381566) that are relatively prime to 128381566.
128381566 has 8 divisors, whose sum is 192989664
The reverse of 128381566 is 665183821
Previous prime number is 463
Is Prime? no
Number parity even
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred twenty-eight million three hundred eighty-one thousand five hundred sixty-six
Scientific notation
1.28381566 × 10^8
Engineering notation
1.28381566 × 10^6
Prime Factorization
2 × 463 × 138641
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
128381566
Product of the distinct prime numbers
The prime factorization of 128381566 is 2 × 463 × 138641.
Since it has a total of 3 prime factors.
10 , 1 , 75 , 30 , 899 , 308 , 6565 , 8712 , 35098 , 4176 , 413154 , 187391 , 8209035 , 9603831 , 40815533 , 7246264 , 86213601 , 451385676 , 7668508760 , 1780635537
n×2
256763132
n×3
385144698
n×4
513526264
n×5
641907830
n÷2
64190783
n÷3
42793855.333333
n÷3
32095391.5
n÷5
25676313.2
n2
16481826488612356
n3
2.1159626951483E+24
n4
2.7165060440072E+32
n5
3.4874929997811E+40
2 √n
11330.55894473
3 √n
504.4686971757
4 √n
106.4450982654
5 √n
41.850488704201
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128381565
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128381566 can be divided by 8 positive divisors.
The sum of these divisors (counting 128381566) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101001101111001001111110
3
Ternary
22221120110101211
4
Quaternary
13221233021332
5
Quinary
230331202231
6
Senary
20423355034
8
Octal
751571176
10
Decimal
128381566
12
Duodecimal
36bb2a7a
16
Hexadecimal
7a6f27e
20
Vigesimal
2027di6
36
Base36
24fnum
md5
bfccf24606f1af18b8529e0b1beef938
sha1
7e5d8ff98bff323b7c436c6742da6c7fb1a6d16e
sha256
1d54d32e9cfb7b00b71d6e07b119b7660d4a9f0f79ff1dab613c994e7b001068
sha512
06494adc22d0f2da289d2211d91780106d19942228d2ee0b2aceaec8fafc779e9fab5ea88e2c2b204bb5b66c83ed4cd06098f43dac7a5aeb8841c5d8559d06b1
ripemd-160
33264518bf70eec2657597273e77e541be6793fa
Diameter
256763132
Circumference
806645169.20391
Area
5.1779185014366E+16
Volume
8.8633238111308E+24
Surface area
2.0711674005746E+17
Circumference
806645169.20391
Perimeter
513526264
Area
16481826488612356
Diagonal
181558951.7959
Surface area
98890958931674136
Volume
2.1159626951483E+24
Space diagonal
222363395.06726
Perimeter
385144698
Area
7.1368402199528E+15
Altitude
111181697.53363
Surface area
7.1368402199528E+15
Volume
2.4936859507953E+23
Height
60519650.598632