128049755 is an odd 9-digits composite number following 128049754
and preceding 128049756 . In scientific notation, it is written as 1.28049755 × 10^8.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 101825728 positive integers (up to 128049755) that are relatively prime to 128049755.
128049755 has 4 divisors, whose sum is 128203944
The reverse of 128049755 is 557940821
Previous prime number is 835
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 41
Digital Root 5
Name
one hundred twenty-eight million forty-nine thousand seven hundred fifty-five
Scientific notation
1.28049755 × 10^8
Engineering notation
1.28049755 × 10^6
Prime Factorization
835 × 153353
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
128049755
Product of the distinct prime numbers
The prime factorization of 128049755 is 835 × 153353.
Since it has a total of 2 prime factors.
7 , 10 , 11 , 32 , 773 , 529 , 5189 , 9494 , 32710 , 25491 , 666504 , 50368 , 7226853 , 1993697 , 18117393 , 64471261 , 480463234 , 611908314 , 2628610201 , 4680420838
n×2
256099510
n×3
384149265
n×4
512199020
n×5
640248775
n÷2
64024877.5
n÷3
42683251.666667
n÷3
32012438.75
n÷5
25609951
n2
16396739755560025
n3
2.0995985084982E+24
n4
2.6885307461156E+32
n5
3.4426570335007E+40
2 √n
11315.907166463
3 √n
504.03371084458
4 √n
106.37625283146
5 √n
41.82883321044
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128049754
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128049755 can be divided by 4 positive divisors.
The sum of these divisors (counting 128049755) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101000011110001001011011
3
Ternary
22220221121020112
4
Quaternary
13220132021123
5
Quinary
230240043010
6
Senary
20412314535
8
Octal
750361133
10
Decimal
128049755
12
Duodecimal
36a72a4b
16
Hexadecimal
7a1e25b
20
Vigesimal
200647f
36
Base36
248jtn
md5
7136b7256760f7c8cc7edb40cf9d2b53
sha1
409fad83a121b53cf277272622d7d807268f69f2
sha256
e1ae73f0892e4da28f17ee3dd027db446ba017b69e985ebb8fe8b4f54906ff72
sha512
2bb1ba6a9cf133ac959d16a742b71396f565b908b5d4aad87f29528eb090244e5cdf7a9cc04ef845b700a9601c7e79ce2bf2625fcd5f18914bad303e43d05f0f
ripemd-160
00391f0e593d0b7cb2ef37186491a6030c1a9ddf
Diameter
256099510
Circumference
804560339.20395
Area
5.1511877158891E+16
Volume
8.7947776663815E+24
Surface area
2.0604750863556E+17
Circumference
804560339.20395
Perimeter
512199020
Area
16396739755560025
Diagonal
181089700.17955
Surface area
98380438533360150
Volume
2.0995985084982E+24
Space diagonal
221788681.55675
Perimeter
384149265
Area
7.0999965837786E+15
Altitude
110894340.77837
Surface area
7.0999965837786E+15
Volume
2.4744005718804E+23
Height
60363233.393184