128545131 is an odd 9-digits composite number following 128545130
and preceding 128545132 . In scientific notation, it is written as 1.28545131 × 10^8.
The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors.
There are 71395200 positive integers (up to 128545131) that are relatively prime to 128545131.
128545131 has 32 divisors, whose sum is 202809600
The reverse of 128545131 is 131545821
Previous prime number is 149
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 30
Digital Root 3
Name
one hundred twenty-eight million five hundred forty-five thousand one hundred thirty-one
Scientific notation
1.28545131 × 10^8
Engineering notation
1.28545131 × 10^6
Prime Factorization
13 × 11 × 3 × 149 × 2011
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
128545131
Product of the distinct prime numbers
The prime factorization of 128545131 is 13 × 11 × 3 × 149 × 2011.
Since it has a total of 5 prime factors.
2 , 4 , 64 , 55 , 266 , 601 , 7867 , 895 , 43094 , 85973 , 619375 , 607382 , 5595338 , 4545886 , 54061412 , 76793439 , 317099779 , 495930577 , 5063592501 , 4939552960
n×2
257090262
n×3
385635393
n×4
514180524
n×5
642725655
n÷2
64272565.5
n÷3
42848377
n÷3
32136282.75
n÷5
25709026.2
n2
16523850703807161
n3
2.1240605533453E+24
n4
2.7303764208171E+32
n5
3.5097659469324E+40
2 √n
11337.774517073
3 √n
504.68284631365
4 √n
106.47898626994
5 √n
41.86114722717
1 , 3 , 11 , 13 , 33 , 39 , 143 , 149 , 429 , 447 , 1639 , 1937 , 2011 , 4917 , 5811 , 6033 , 21307 , 22121 , 26143 , 63921 , 66363 , 78429 , 287573 , 299639 , 862719 , 898917 , 3296029 , 3895307 , 9888087 , 11685921 , 42848377 , 128545131
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
-128545130
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 128545131 can be divided by 32 positive divisors.
The sum of these divisors (counting 128545131) is 1, the average is 0.03125.
Base
System
Value
2
Binary
111101010010111000101101011
3
Ternary
22221212202202210
4
Quaternary
13222113011223
5
Quinary
230401421011
6
Senary
20431100203
8
Octal
752270553
10
Decimal
128545131
12
Duodecimal
37071663
16
Hexadecimal
7a9716b
20
Vigesimal
20382gb
36
Base36
24j623
md5
7521eac7180e05b0a2076d3b3a385925
sha1
7db4cc1a4a80d4312cc810ec3407deb340f870e4
sha256
9140e51dc8dbe43addff36d90d13d7f0d34e8273fdf087e0d16bad171c816061
sha512
f2c3def339fe9ab778c6b7bf45c6b23e010e6b80cc642abaef1c4f2aede55d550d78df580e6fd91d265c6d01926f203e46c7727c277f58abb76ab0263cef20e6
ripemd-160
0b754f602400034e32100b6b247079cb7af17405
Diameter
257090262
Circumference
807672878.40868
Area
5.1911207980095E+16
Volume
8.8972440402261E+24
Surface area
2.0764483192038E+17
Circumference
807672878.40868
Perimeter
514180524
Area
16523850703807161
Diagonal
181790267.63723
Surface area
99143104222842966
Volume
2.1240605533453E+24
Space diagonal
222646697.9576
Perimeter
385635393
Area
7.1550372389192E+15
Altitude
111323348.9788
Surface area
7.1550372389192E+15
Volume
2.5032293682022E+23
Height
60596755.879075