128331639 is an odd 9-digits composite number following 128331638
and preceding 128331640 . In scientific notation, it is written as 1.28331639 × 10^8.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 85227552 positive integers (up to 128331639) that are relatively prime to 128331639.
128331639 has 12 divisors, whose sum is 186076176
The reverse of 128331639 is 936133821
Previous prime number is 263
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 six hundred thirty-nine
Scientific notation
1.28331639 × 10^8
Engineering notation
1.28331639 × 10^6
Prime Factorization
3 × 3 × 263 × 54217
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
42777213
Product of the distinct prime numbers
The prime factorization of 128331639 is 3 × 3 × 263 × 54217.
Since it has a total of 4 prime factors.
4 , 1 , 78 , 87 , 263 , 703 , 4397 , 1310 , 82314 , 26997 , 151015 , 836865 , 9100008 , 7350511 , 20559922 , 13568380 , 863222397 , 993506691 , 9195416662 , 6490392786
n×2
256663278
n×3
384994917
n×4
513326556
n×5
641658195
n÷2
64165819.5
n÷3
42777213
n÷3
32082909.75
n÷5
25666327.8
n2
16469009568426321
n3
2.1134949906228E+24
n4
2.7122827616492E+32
n5
3.4807169223389E+40
2 √n
11328.355529378
3 √n
504.40329351192
4 √n
106.43474775363
5 √n
41.847233105248
1 , 3 , 9 , 263 , 789 , 2367 , 54217 , 162651 , 487953 , 14259071 , 42777213 , 128331639
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
-128331638
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 128331639 can be divided by 12 positive divisors.
The sum of these divisors (counting 128331639) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101001100010111101110111
3
Ternary
22221110220220200
4
Quaternary
13221202331313
5
Quinary
230323103024
6
Senary
20422331543
8
Octal
751427567
10
Decimal
128331639
12
Duodecimal
36b89bb3
16
Hexadecimal
7a62f77
20
Vigesimal
202191j
36
Base36
24elbr
md5
7548f993f80811e487b2459552f70467
sha1
0177fe5f984e2008c7ae7984126df7278cd696b4
sha256
0481cb4d5df59fdbf2aab3018d7396fff3a7221de0a7b83e6788ecb71a6454a9
sha512
58a61a011afb9f965ecfc155693b6cbba1e22cfe988914cec6880557310b3e284bb343f06db2c6fabd7bcf496276af7ba887dc219c0860fc13c2c7ff0f95e494
ripemd-160
acf0558d370cf507b53181ff3f9382fa824d11d2
Diameter
256663278
Circumference
806331468.61107
Area
5.1738919472068E+16
Volume
8.852987114586E+24
Surface area
2.0695567788827E+17
Circumference
806331468.61107
Perimeter
513326556
Area
16469009568426321
Diagonal
181488344.35537
Surface area
98814057410557926
Volume
2.1134949906228E+24
Space diagonal
222276918.96659
Perimeter
384994917
Area
7.1312903307131E+15
Altitude
111138459.48329
Surface area
7.1312903307131E+15
Volume
2.490777733122E+23
Height
60496114.785123