128545129 is an odd 9-digits composite number following 128545128
and preceding 128545130 . In scientific notation, it is written as 1.28545129 × 10^8.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 126366340 positive integers (up to 128545129) that are relatively prime to 128545129.
128545129 has 4 divisors, whose sum is 130723920
The reverse of 128545129 is 921545821
Previous prime number is 59
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1
Name
one hundred twenty-eight million five hundred forty-five thousand one hundred twenty-nine
Scientific notation
1.28545129 × 10^8
Engineering notation
1.28545129 × 10^6
Prime Factorization
59 × 2178731
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
128545129
Product of the distinct prime numbers
The prime factorization of 128545129 is 59 × 2178731.
Since it has a total of 2 prime factors.
10 , 8 , 74 , 71 , 686 , 163 , 7610 , 9274 , 2390 , 488 , 343995 , 349198 , 6277279 , 6508149 , 68737202 , 86965604 , 855108067 , 469730840 , 8455807946 , 6325537175
n×2
257090258
n×3
385635387
n×4
514180516
n×5
642725645
n÷2
64272564.5
n÷3
42848376.333333
n÷3
32136282.25
n÷5
25709025.8
n2
16523850189626641
n3
2.1240604542022E+24
n4
2.7303762508922E+32
n5
3.5097656738948E+40
2 √n
11337.774428873
3 √n
504.68284369624
4 √n
106.47898585577
5 √n
41.861147096909
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128545128
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128545129 can be divided by 4 positive divisors.
The sum of these divisors (counting 128545129) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101010010111000101101001
3
Ternary
22221212202202201
4
Quaternary
13222113011221
5
Quinary
230401421004
6
Senary
20431100201
8
Octal
752270551
10
Decimal
128545129
12
Duodecimal
37071661
16
Hexadecimal
7a97169
20
Vigesimal
20382g9
36
Base36
24j621
md5
eda1aed7ce86f526d374371d3af707cf
sha1
ad8a243a74bbe766807d212cce052e53b17c7f4d
sha256
0c48186ac9f841ce177e6991ef9bbe19c867adceca388897a5c13793b627183c
sha512
63c0f62f3a9dd08e644aee67988c290756b0d319b58986e582fc7ef48974ebcd2f15362afa9121c2fb87aaabe7de7f55ed9f3ce3c59c7550a0ff017c95230bc2
ripemd-160
11e52ea993d1814942ea742992f8be5f3603628a
Diameter
257090258
Circumference
807672865.8423
Area
5.1911206364749E+16
Volume
8.8972436249364E+24
Surface area
2.07644825459E+17
Circumference
807672865.8423
Perimeter
514180516
Area
16523850189626641
Diagonal
181790264.8088
Surface area
99143101137759846
Volume
2.1240604542022E+24
Space diagonal
222646694.4935
Perimeter
385635387
Area
7.1550370162725E+15
Altitude
111323347.24675
Surface area
7.1550370162725E+15
Volume
2.503229251361E+23
Height
60596754.936266