128331831 is an odd 9-digits composite number following 128331830
and preceding 128331832 . In scientific notation, it is written as 1.28331831 × 10^8.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 85520120 positive integers (up to 128331831) that are relatively prime to 128331831.
128331831 has 8 divisors, whose sum is 171177984
The reverse of 128331831 is 138133821
Previous prime number is 3011
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 30
Digital Root 3
Name
one hundred twenty-eight million three hundred thirty-one thousand eight hundred thirty-one
Scientific notation
1.28331831 × 10^8
Engineering notation
1.28331831 × 10^6
Prime Factorization
3 × 3011 × 14207
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
128331831
Product of the distinct prime numbers
The prime factorization of 128331831 is 3 × 3011 × 14207.
Since it has a total of 3 prime factors.
7 , 2 , 86 , 51 , 91 , 6 , 5685 , 2781 , 18474 , 16583 , 356999 , 155858 , 7150539 , 6495267 , 34344744 , 87201613 , 825019205 , 5531751 , 9582695310 , 4486937296
n×2
256663662
n×3
384995493
n×4
513327324
n×5
641659155
n÷2
64165915.5
n÷3
42777277
n÷3
32082957.75
n÷5
25666366.2
n2
16469058847812561
n3
2.1135044767865E+24
n4
2.7122989933271E+32
n5
3.4807429603313E+40
2 √n
11328.364003686
3 √n
504.40354506169
4 √n
106.43478756349
5 √n
41.847245626967
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128331830
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128331831 can be divided by 8 positive divisors.
The sum of these divisors (counting 128331831) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101001100011000000110111
3
Ternary
22221110221011210
4
Quaternary
13221203000313
5
Quinary
230323104311
6
Senary
20422332503
8
Octal
751430067
10
Decimal
128331831
12
Duodecimal
36b8a133
16
Hexadecimal
7a63037
20
Vigesimal
20219bb
36
Base36
24elh3
md5
2ea954213926d97e0db7dec978e3de01
sha1
4c0317ca3abca3e66b28125430534c664352fa47
sha256
475dffac60d94210576c24b207cce979aa11d413b8234ed840c85e4c47d7d7c9
sha512
8cc9e843a670b72d5d300a95c99dd623c3d51e6bec2d63f8425418f2b100dd896ea4bc2039fd7a9fdbdffd3ce7007248590597895a38a3b48d286ca9a8a57ca6
ripemd-160
b71945f8d8f56b564b62cf3f12852e97049378c1
Diameter
256663662
Circumference
806332674.98265
Area
5.1739074287826E+16
Volume
8.8530268501356E+24
Surface area
2.069562971513E+17
Circumference
806332674.98265
Perimeter
513327324
Area
16469058847812561
Diagonal
181488615.88437
Surface area
98814353086875366
Volume
2.1135044767865E+24
Space diagonal
222277251.52034
Perimeter
384995493
Area
7.1313116693133E+15
Altitude
111138625.76017
Surface area
7.1313116693133E+15
Volume
2.4907889126731E+23
Height
60496205.294791