128520641 is an odd 9-digits composite number following 128520640
and preceding 128520642 . In scientific notation, it is written as 1.28520641 × 10^8.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 128081712 positive integers (up to 128520641) that are relatively prime to 128520641.
128520641 has 4 divisors, whose sum is 128959572
The reverse of 128520641 is 146025821
Previous prime number is 293
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 29
Digital Root 2
Name
one hundred twenty-eight million five hundred twenty thousand six hundred forty-one
Scientific notation
1.28520641 × 10^8
Engineering notation
1.28520641 × 10^6
Prime Factorization
293 × 438637
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
128520641
Product of the distinct prime numbers
The prime factorization of 128520641 is 293 × 438637.
Since it has a total of 2 prime factors.
5 , 6 , 32 , 95 , 316 , 851 , 2322 , 3956 , 22574 , 63887 , 193462 , 125309 , 2791787 , 3148863 , 50390525 , 34257928 , 983801382 , 931741569 , 8397842243 , 6605741809
n×2
257041282
n×3
385561923
n×4
514082564
n×5
642603205
n÷2
64260320.5
n÷3
42840213.666667
n÷3
32130160.25
n÷5
25704128.2
n2
16517555163050881
n3
2.1228467773082E+24
n4
2.7282962856443E+32
n5
3.5064238746892E+40
2 √n
11336.694447677
3 √n
504.65079410028
4 √n
106.47391440009
5 √n
41.859552055697
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
-128520640
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 128520641 can be divided by 4 positive divisors.
The sum of these divisors (counting 128520641) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101010010001000111000001
3
Ternary
22221211112011202
4
Quaternary
13222101013001
5
Quinary
230400130031
6
Senary
20430350545
8
Octal
752210701
10
Decimal
128520641
12
Duodecimal
3705b455
16
Hexadecimal
7a911c1
20
Vigesimal
20351c1
36
Base36
24in5t
md5
d1397783883f84393d1a96a1b1a05e9f
sha1
5988bf17d52e15cdc42390c2b14afe98c1e30a09
sha256
70516b9ea724ef01f2944b395e6e28667246d44843557731d0a1c780f386259d
sha512
a8c1a6fb3c9a973b0d24ae875432f29e5af45462ff1e5055c76edef5d244a17d131614c0323ac7a05639089dd4c1bb1ef1f9cf3aec0551dcb135771010a9e819
ripemd-160
8b9e06a940806015b1fdfee16807cde85046c1fd
Diameter
257041282
Circumference
807519003.2005
Area
5.1891429955505E+16
Volume
8.8921597870508E+24
Surface area
2.0756571982202E+17
Circumference
807519003.2005
Perimeter
514082564
Area
16517555163050881
Diagonal
181755633.54708
Surface area
99105330978305286
Volume
2.1228467773082E+24
Space diagonal
222604280.03332
Perimeter
385561923
Area
7.1523111898064E+15
Altitude
111302140.01666
Surface area
7.1523111898064E+15
Volume
2.5017989194243E+23
Height
60585211.182361