128519997 is an odd 9-digits composite number following 128519996
and preceding 128519998 . In scientific notation, it is written as 1.28519997 × 10^8.
The sum of its digits is 51. It has a total of 2 prime factors and 4 positive divisors.
There are 85679996 positive integers (up to 128519997) that are relatively prime to 128519997.
128519997 has 4 divisors, whose sum is 171360000
The reverse of 128519997 is 799915821
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 51
Digital Root 6
Name
one hundred twenty-eight million five hundred nineteen thousand nine hundred ninety-seven
Scientific notation
1.28519997 × 10^8
Engineering notation
1.28519997 × 10^6
Prime Factorization
3 × 42839999
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
128519997
Product of the distinct prime numbers
The prime factorization of 128519997 is 3 × 42839999.
Since it has a total of 2 prime factors.
1 , 7 , 81 , 32 , 83 , 189 , 3187 , 7729 , 71980 , 10802 , 190142 , 749926 , 7927659 , 2522231 , 46834985 , 43642570 , 469138883 , 542845514 , 9509714850 , 6381689090
n×2
257039994
n×3
385559991
n×4
514079988
n×5
642599985
n÷2
64259998.5
n÷3
42839999
n÷3
32129999.25
n÷5
25703999.4
n2
16517389628880009
n3
2.1228148655515E+24
n4
2.7282416015223E+32
n5
3.5063360244292E+40
2 √n
11336.666044301
3 √n
504.64995118599
4 √n
106.47378101815
5 √n
41.859510105073
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
-128519996
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 128519997 can be divided by 4 positive divisors.
The sum of these divisors (counting 128519997) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101010010000111100111101
3
Ternary
22221211111021220
4
Quaternary
13222100330331
5
Quinary
230400114442
6
Senary
20430343553
8
Octal
752207475
10
Decimal
128519997
12
Duodecimal
3705abb9
16
Hexadecimal
7a90f3d
20
Vigesimal
2034jjh
36
Base36
24imnx
md5
029d4cf36dd99131b78841f9dab8fa53
sha1
00c0c6c636d298447cf0d1bfe3fc757aab37e240
sha256
aa15f27feb21213cc0354dfc73a3873464a96e26713876a187a24620d330f700
sha512
3b0d589009ed236b9f079237ccbb3c70b4ecc2caa690751ac16b30bc25f62afcace4b85e58be9509ac96b661ce9be1349a06fab1e1cb99e43dafa92ed641cc36
ripemd-160
59aa05ee673db81e4f81f4148c0c766b59013f68
Diameter
257039994
Circumference
807514956.82916
Area
5.189090991457E+16
Volume
8.892026115397E+24
Surface area
2.0756363965828E+17
Circumference
807514956.82916
Perimeter
514079988
Area
16517389628880009
Diagonal
181754722.79355
Surface area
99104337773280054
Volume
2.1228148655515E+24
Space diagonal
222603164.5926
Perimeter
385559991
Area
7.1522395114079E+15
Altitude
111301582.2963
Surface area
7.1522395114079E+15
Volume
2.5017613110584E+23
Height
60584907.59785