128162331 is an odd 9-digits composite number following 128162330
and preceding 128162332 . In scientific notation, it is written as 1.28162331 × 10^8.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 77672520 positive integers (up to 128162331) that are relatively prime to 128162331.
128162331 has 8 divisors, whose sum is 140391744
The reverse of 128162331 is 133261821
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 27
Digital Root 9
Name
one hundred twenty-eight million one hundred sixty-two thousand three hundred thirty-one
Scientific notation
1.28162331 × 10^8
Engineering notation
1.28162331 × 10^6
Prime Factorization
243 × 11 × 47947
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
128162331
Product of the distinct prime numbers
The prime factorization of 128162331 is 243 × 11 × 47947.
Since it has a total of 3 prime factors.
8 , 9 , 23 , 61 , 789 , 788 , 4297 , 5530 , 22844 , 69912 , 973451 , 547872 , 3654437 , 774989 , 10565256 , 99091460 , 772719951 , 872132790 , 6533738269 , 2034579781
n×2
256324662
n×3
384486993
n×4
512649324
n×5
640811655
n÷2
64081165.5
n÷3
42720777
n÷3
32040582.75
n÷5
25632466.2
n2
16425583087353561
n3
2.1051410165094E+24
n4
2.6979977975956E+32
n5
3.4578168677271E+40
2 √n
11320.880310294
3 √n
504.18137604634
4 √n
106.39962551764
5 √n
41.836185458237
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
-128162330
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 128162331 can be divided by 8 positive divisors.
The sum of these divisors (counting 128162331) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101000111001101000011011
3
Ternary
22221011022200000
4
Quaternary
13220321220123
5
Quinary
230302143311
6
Senary
20414544043
8
Octal
750715033
10
Decimal
128162331
12
Duodecimal
36b08023
16
Hexadecimal
7a39a1b
20
Vigesimal
20105gb
36
Base36
24ayor
md5
cff59946ae8dc00de88391332c573e05
sha1
a8c7b7da70e59ae6b7e79ef9f22a4f7e5efa1ea0
sha256
2f66d7616efcd26d2addedbd6497c616c00abe1a4759d885c65a2eb05ad0e0da
sha512
b5d5a740c683675efe2170bc76725f43690a253351c52ca96e5d71cf52eee8fb08f74102bef8785165be4ebd2140d8a62a660accea6c3d5ec8d1acf27252e9a0
ripemd-160
2f7c2180f0e9429b42b2f71c9253e23f80afe925
Diameter
256324662
Circumference
805267675.07309
Area
5.1602491158159E+16
Volume
8.8179940696487E+24
Surface area
2.0640996463263E+17
Circumference
805267675.07309
Perimeter
512649324
Area
16425583087353561
Diagonal
181248906.68555
Surface area
98553498524121366
Volume
2.1051410165094E+24
Space diagonal
221983668.90846
Perimeter
384486993
Area
7.1124861128101E+15
Altitude
110991834.45423
Surface area
7.1124861128101E+15
Volume
2.4809324802129E+23
Height
60416302.228517