128331279 is an odd 9-digits composite number following 128331278
and preceding 128331280 . In scientific notation, it is written as 1.28331279 × 10^8.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 85503600 positive integers (up to 128331279) that are relatively prime to 128331279.
128331279 has 12 divisors, whose sum is 185477032
The reverse of 128331279 is 972133821
Previous prime number is 2341
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 36
Digital Root 9
Name
one hundred twenty-eight million three hundred thirty-one thousand two hundred seventy-nine
Scientific notation
1.28331279 × 10^8
Engineering notation
1.28331279 × 10^6
Prime Factorization
3 × 3 × 2341 × 6091
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
42777093
Product of the distinct prime numbers
The prime factorization of 128331279 is 3 × 3 × 2341 × 6091.
Since it has a total of 4 prime factors.
3 , 2 , 19 , 42 , 469 , 142 , 1871 , 6994 , 89473 , 54811 , 436760 , 323756 , 3084572 , 2163340 , 88793847 , 18448196 , 341899139 , 855569965 , 1054095422 , 8015052762
n×2
256662558
n×3
384993837
n×4
513325116
n×5
641656395
n÷2
64165639.5
n÷3
42777093
n÷3
32082819.75
n÷5
25666255.8
n2
16468917169775841
n3
2.1134772041424E+24
n4
2.7122523274494E+32
n5
3.4806681015231E+40
2 √n
11328.339640036
3 √n
504.40282185542
4 √n
106.43467311001
5 √n
41.847209626983
1 , 3 , 9 , 2341 , 6091 , 7023 , 18273 , 21069 , 54819 , 14259031 , 42777093 , 128331279
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128331278
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128331279 can be divided by 12 positive divisors.
The sum of these divisors (counting 128331279) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101001100010111000001111
3
Ternary
22221110220102100
4
Quaternary
13221202320033
5
Quinary
230323100104
6
Senary
20422330143
8
Octal
751427017
10
Decimal
128331279
12
Duodecimal
36b89953
16
Hexadecimal
7a62e0f
20
Vigesimal
202183j
36
Base36
24el1r
md5
8e6083d59732e10addca9649f199e915
sha1
b3e0b19d77b9327921ef06f436af7069c51c3554
sha256
fd5c54ec63df61f734b13dae5f23d63509daa7cf697d4b7ac8a26139a9743ee4
sha512
472e6d688d72f9b7192869c924fa29d072a2bfecbbf7507f7112125e32cdf140dadd53fa98746504d6f0294943298048ecb599d056e1017228d81a05d9ee759d
ripemd-160
b5a3b2da20dc5f8f475d4206a536caff6caf0fcf
Diameter
256662558
Circumference
806329206.66436
Area
5.1738629193147E+16
Volume
8.852912610751E+24
Surface area
2.0695451677259E+17
Circumference
806329206.66436
Perimeter
513325116
Area
16468917169775841
Diagonal
181487835.23849
Surface area
98813503018655046
Volume
2.1134772041424E+24
Space diagonal
222276295.4283
Perimeter
384993837
Area
7.1312503209238E+15
Altitude
111138147.71415
Surface area
7.1312503209238E+15
Volume
2.4907567715538E+23
Height
60495945.079495