128525920 is an even 9-digits composite number following 128525919
and preceding 128525921 . In scientific notation, it is written as 1.28525920 × 10^8.
The sum of its digits is 34. It has a total of 7 prime factors and 24 positive divisors.
There are 51410304 positive integers (up to 128525920) that are relatively prime to 128525920.
128525920 has 24 divisors, whose sum is 303642864
The reverse of 128525920 is 029525821
Previous prime number is 5
Is Prime? no
Number parity even
Number length 9
Sum of Digits 34
Digital Root 7
Name
one hundred twenty-eight million five hundred twenty-five thousand nine hundred twenty
Scientific notation
1.28525920 × 10^8
Engineering notation
1.28525920 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 5 × 803287
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
8032870
Product of the distinct prime numbers
The prime factorization of 128525920 is 2 × 2 × 2 × 2 × 2 × 5 × 803287.
Since it has a total of 7 prime factors.
6 , 5 , 76 , 57 , 311 , 848 , 5625 , 4844 , 77497 , 57169 , 917279 , 354409 , 9474285 , 487243 , 96295979 , 57727392 , 670837025 , 280679160 , 9413892641 , 3839472356
n×2
257051840
n×3
385577760
n×4
514103680
n×5
642629600
n÷2
64262960
n÷3
42841973.333333
n÷3
32131480
n÷5
25705184
n2
16518912111846400
n3
2.1231083765742E+24
n4
2.7287445735891E+32
n5
3.5071440676554E+40
2 √n
11336.927273296
3 √n
504.65770353534
4 √n
106.4750077403
5 √n
41.859895927223
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 32 , 40 , 80 , 160 , 803287 , 1606574 , 3213148 , 4016435 , 6426296 , 8032870 , 12852592 , 16065740 , 25705184 , 32131480 , 64262960 , 128525920
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128525919
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128525920 can be divided by 24 positive divisors.
The sum of these divisors (counting 128525920) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111101010010010011001100000
3
Ternary
22221211210102021
4
Quaternary
13222102121200
5
Quinary
230400312140
6
Senary
20430431224
8
Octal
752223140
10
Decimal
128525920
12
Duodecimal
37062514
16
Hexadecimal
7a92660
20
Vigesimal
2035eg0
36
Base36
24ir8g
md5
e97d1d069a942d5df8cfeee4b9792c67
sha1
2af6bd2e2783624f3e995b556e0ae39b19ac167e
sha256
5aaab42ff5ca1319b00c3658f156b96efddb6677bc603b4327945bb012a6badf
sha512
e8242440b9209f7144b9961b166bdc4915fb680fbf9afb33a85d3e8a8d0634953bfe4e1e21f054449d6c45cc851eda40b4d5a677ba64c55045e8d286cc22ad98
ripemd-160
e21081a0c33cb0b6acee30232ff2ad228a91ed0c
Diameter
257051840
Circumference
807552172.13574
Area
5.1895692935872E+16
Volume
8.893255571494E+24
Surface area
2.0758277174349E+17
Circumference
807552172.13574
Perimeter
514103680
Area
16518912111846400
Diagonal
181763099.18048
Surface area
99113472671078400
Volume
2.1231083765742E+24
Space diagonal
222613423.52953
Perimeter
385577760
Area
7.1528987658707E+15
Altitude
111306711.76477
Surface area
7.1528987658707E+15
Volume
2.502107217116E+23
Height
60587699.726826