128935479 is an odd 9-digits composite number following 128935478
and preceding 128935480 . In scientific notation, it is written as 1.28935479 × 10^8.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 80314080 positive integers (up to 128935479) that are relatively prime to 128935479.
128935479 has 16 divisors, whose sum is 183582720
The reverse of 128935479 is 974539821
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 48
Digital Root 3
Name
one hundred twenty-eight million nine hundred thirty-five thousand four hundred seventy-nine
Scientific notation
1.28935479 × 10^8
Engineering notation
1.28935479 × 10^6
Prime Factorization
3 × 31 × 29 × 47807
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128935479
Product of the distinct prime numbers
The prime factorization of 128935479 is 3 × 31 × 29 × 47807.
Since it has a total of 4 prime factors.
5 , 10 , 97 , 5 , 199 , 463 , 5115 , 3515 , 69128 , 1098 , 366009 , 639772 , 9170122 , 4669909 , 99387003 , 87320774 , 453041007 , 766294979 , 6033280170 , 3398147170
n×2
257870958
n×3
386806437
n×4
515741916
n×5
644677395
n÷2
64467739.5
n÷3
42978493
n÷3
32233869.75
n÷5
25787095.8
n2
16624357744959441
n3
2.1434695289137E+24
n4
2.7636927043239E+32
n5
3.5633804264081E+40
2 √n
11354.975957702
3 √n
505.19318034838
4 √n
106.55972953092
5 √n
41.886540025694
1 , 3 , 29 , 31 , 87 , 93 , 899 , 2697 , 47807 , 143421 , 1386403 , 1482017 , 4159209 , 4446051 , 42978493 , 128935479
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
-128935478
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 128935479 can be divided by 16 positive divisors.
The sum of these divisors (counting 128935479) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101011110110011000110111
3
Ternary
22222121121020010
4
Quaternary
13223312120313
5
Quinary
231001413404
6
Senary
20443311303
8
Octal
753663067
10
Decimal
128935479
12
Duodecimal
3721b533
16
Hexadecimal
7af6637
20
Vigesimal
205gidj
36
Base36
24rj93
md5
b5585a011f644c9170a2867932a64e75
sha1
5156401e11c78e3f11ff94c733e8a28918d00b0c
sha256
405ba56e8eab0a9bd3e62dee689bf86d6f2dd689be6f8924a5fadfd9b677e8ba
sha512
7ef0df9a8786d315c395d767fa4823902effeea5243cd661e3bfc8a3c2cac451428d0673421141a7c2ce42659d4b18498a46e9a921a0f5eaac47121f54dcc9dd
ripemd-160
a8701f8c42c2228ed8a58d5eab10db0786ba4071
Diameter
257870958
Circumference
810125507.22696
Area
5.2226960162213E+16
Volume
8.9785441669718E+24
Surface area
2.0890784064885E+17
Circumference
810125507.22696
Perimeter
515741916
Area
16624357744959441
Diagonal
182342303.07287
Surface area
99746146469756646
Volume
2.1434695289137E+24
Space diagonal
223322800.52623
Perimeter
386806437
Area
7.1985580643677E+15
Altitude
111661400.26312
Surface area
7.1985580643677E+15
Volume
2.5261030652694E+23
Height
60780767.690957