128121144 is an even 9-digits composite number following 128121143
and preceding 128121145 . In scientific notation, it is written as 1.28121144 × 10^8.
The sum of its digits is 24. It has a total of 6 prime factors and 32 positive divisors.
There are 42380000 positive integers (up to 128121144) that are relatively prime to 128121144.
128121144 has 32 divisors, whose sum is 322755840
The reverse of 128121144 is 441121821
Previous prime number is 131
Is Prime? no
Number parity even
Number length 9
Sum of Digits 24
Digital Root 6
Name
one hundred twenty-eight million one hundred twenty-one thousand one hundred forty-four
Scientific notation
1.28121144 × 10^8
Engineering notation
1.28121144 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 131 × 40751
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
32030286
Product of the distinct prime numbers
The prime factorization of 128121144 is 2 × 2 × 2 × 3 × 131 × 40751.
Since it has a total of 6 prime factors.
10 , 6 , 12 , 34 , 886 , 819 , 4733 , 2856 , 6255 , 66209 , 16930 , 147359 , 692924 , 549079 , 451984 , 33286243 , 669379124 , 356753155 , 6902889283 , 329176299
n×2
256242288
n×3
384363432
n×4
512484576
n×5
640605720
n÷2
64060572
n÷3
42707048
n÷3
32030286
n÷5
25624228.8
n2
16415027539868736
n3
2.1031121071995E+24
n4
2.6945312913465E+32
n5
3.4522643159111E+40
2 √n
11319.061091804
3 √n
504.12736136294
4 √n
106.39107618501
5 √n
41.833496168023
1 , 2 , 3 , 4 , 6 , 8 , 12 , 24 , 131 , 262 , 393 , 524 , 786 , 1048 , 1572 , 3144 , 40751 , 81502 , 122253 , 163004 , 244506 , 326008 , 489012 , 978024 , 5338381 , 10676762 , 16015143 , 21353524 , 32030286 , 42707048 , 64060572 , 128121144
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128121143
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128121144 can be divided by 32 positive divisors.
The sum of these divisors (counting 128121144) is 1, the average is 0.03125.
Base
System
Value
2
Binary
111101000101111100100111000
3
Ternary
22221002020011120
4
Quaternary
13220233210320
5
Quinary
230244334034
6
Senary
20414025240
8
Octal
750574470
10
Decimal
128121144
12
Duodecimal
36aa8220
16
Hexadecimal
7a2f938
20
Vigesimal
200f2h4
36
Base36
24a2wo
md5
5ee226fabb36382696a3292d52d06c42
sha1
75a2635e97a284f55217cf08c492240aca2faae7
sha256
fb6f0ca16c146627f541925e0237b196e1bd1cb4dc6be40e8777bbb53c8bd254
sha512
c8463d0682eaae9b9abfd201381a36400b82bee0f72d4ef6b7fa5a9779b57b2c7a71ce2e508cefa54e6d6cb59465a360deffc8c60d41f8cda54472271ed1b906
ripemd-160
fe363e1eb4d93f6360d4623e7ea8a1bcc89e0336
Diameter
256242288
Circumference
805008889.51984
Area
5.1569329927726E+16
Volume
8.8094953942049E+24
Surface area
2.062773197109E+17
Circumference
805008889.51984
Perimeter
512484576
Area
16415027539868736
Diagonal
181190659.47156
Surface area
98490165239212416
Volume
2.1031121071995E+24
Space diagonal
221912330.93185
Perimeter
384363432
Area
7.1079154266738E+15
Altitude
110956165.46592
Surface area
7.1079154266738E+15
Volume
2.4785413876605E+23
Height
60396886.490519