128520757 is an odd 9-digits composite number following 128520756
and preceding 128520758 . In scientific notation, it is written as 1.28520757 × 10^8.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 122932876 positive integers (up to 128520757) that are relatively prime to 128520757.
128520757 has 4 divisors, whose sum is 134108640
The reverse of 128520757 is 757025821
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1
Name
one hundred twenty-eight million five hundred twenty thousand seven hundred fifty-seven
Scientific notation
1.28520757 × 10^8
Engineering notation
1.28520757 × 10^6
Prime Factorization
23 × 5587859
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
128520757
Product of the distinct prime numbers
The prime factorization of 128520757 is 23 × 5587859.
Since it has a total of 2 prime factors.
9 , 5 , 52 , 22 , 454 , 40 , 4844 , 8460 , 14147 , 76978 , 907585 , 793622 , 592171 , 3050491 , 13176787 , 41114584 , 257892210 , 154161645 , 958446425 , 5603152499
n×2
257041514
n×3
385562271
n×4
514083028
n×5
642603785
n÷2
64260378.5
n÷3
42840252.333333
n÷3
32130189.25
n÷5
25704151.4
n2
16517584979853049
n3
2.1228525254225E+24
n4
2.7283061356667E+32
n5
3.5064396988363E+40
2 √n
11336.699563806
3 √n
504.65094592926
4 √n
106.47393842535
5 √n
41.859559612003
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
-128520756
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 128520757 can be divided by 4 positive divisors.
The sum of these divisors (counting 128520757) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101010010001001000110101
3
Ternary
22221211112100001
4
Quaternary
13222101020311
5
Quinary
230400131012
6
Senary
20430351301
8
Octal
752211065
10
Decimal
128520757
12
Duodecimal
3705b531
16
Hexadecimal
7a91235
20
Vigesimal
20351hh
36
Base36
24in91
md5
6ddd6424d473474a6de625fb406abd56
sha1
f1a4c595beb61f21c43f0aa1a9cb08ea0be2c97c
sha256
a4571d1f1e05fca951ab8f726f5ec4d3f032a7ca6e800771aa37d24730e8511d
sha512
e5e4c592cc0a4d05b8fdccd8450cfce93bbdfdeca9a72da363a9ab6e267a44692724b8566a581932e381c6ceaf5d4b73a83aacd05ec92409972110e68d17dbbb
ripemd-160
f38969708b979b23948ca91678713b605de8824e
Diameter
257041514
Circumference
807519732.05
Area
5.1891523627751E+16
Volume
8.892183864696E+24
Surface area
2.0756609451101E+17
Circumference
807519732.05
Perimeter
514083028
Area
16517584979853049
Diagonal
181755797.59586
Surface area
99105509879118294
Volume
2.1228525254225E+24
Space diagonal
222604480.95121
Perimeter
385562271
Area
7.1523241008605E+15
Altitude
111302240.47561
Surface area
7.1523241008605E+15
Volume
2.5018056936421E+23
Height
60585265.865286