128380455 is an odd 9-digits composite number following 128380454
and preceding 128380456 . In scientific notation, it is written as 1.28380455 × 10^8.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 56790720 positive integers (up to 128380455) that are relatively prime to 128380455.
128380455 has 16 divisors, whose sum is 154830848
The reverse of 128380455 is 554083821
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 36
Digital Root 9
Name
one hundred twenty-eight million three hundred eighty thousand four hundred fifty-five
Scientific notation
1.28380455 × 10^8
Engineering notation
1.28380455 × 10^6
Prime Factorization
45 × 7 × 31 × 13147
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128380455
Product of the distinct prime numbers
The prime factorization of 128380455 is 45 × 7 × 31 × 13147.
Since it has a total of 4 prime factors.
6 , 10 , 38 , 51 , 143 , 810 , 9975 , 4371 , 16213 , 17176 , 153986 , 675887 , 2992126 , 5645248 , 65181517 , 25875652 , 425326818 , 565690637 , 5036958198 , 282165237
n×2
256760910
n×3
385141365
n×4
513521820
n×5
641902275
n÷2
64190227.5
n÷3
42793485
n÷3
32095113.75
n÷5
25676091
n2
16481541226007025
n3
2.115907761696E+24
n4
2.7164120118457E+32
n5
3.4873421004822E+40
2 √n
11330.509917916
3 √n
504.4672419659
4 √n
106.4448679736
5 √n
41.850416270042
1 , 7 , 31 , 45 , 217 , 315 , 1395 , 9765 , 13147 , 92029 , 407557 , 591615 , 2852899 , 4141305 , 18340065 , 128380455
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
-128380454
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 128380455 can be divided by 16 positive divisors.
The sum of these divisors (counting 128380455) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101001101110111000100111
3
Ternary
22221120101212200
4
Quaternary
13221232320213
5
Quinary
230331133310
6
Senary
20423345543
8
Octal
751567047
10
Decimal
128380455
12
Duodecimal
36bb22b3
16
Hexadecimal
7a6ee27
20
Vigesimal
2027b2f
36
Base36
24fmzr
md5
b80f16923a4a6570c63465e301a78e10
sha1
8774105953fa6e12659b63653ebd904940edb4a4
sha256
fc80b576e67a1146c0c0be8b8bba1752fafc0679eb51afac09c63fe3bb26d632
sha512
ed993941a6e129d81172197516ab094250b37caf0332907441b3d552ba31df98988932fad79ad81fb44d31c6cea9978d192e4e27f51da177547009fb1896598e
ripemd-160
a917eaec9818a87c49db3c53717d36a1d697e025
Diameter
256760910
Circumference
806638188.58503
Area
5.1778288835461E+16
Volume
8.8630937064239E+24
Surface area
2.0711315534184E+17
Circumference
806638188.58503
Perimeter
513521820
Area
16481541226007025
Diagonal
181557380.60463
Surface area
98889247356042150
Volume
2.115907761696E+24
Space diagonal
222361470.75881
Perimeter
385141365
Area
7.1367166976213E+15
Altitude
111180735.3794
Surface area
7.1367166976213E+15
Volume
2.4936212111009E+23
Height
60519126.86821