128435521 is an odd 9-digits composite number following 128435520
and preceding 128435522 . In scientific notation, it is written as 1.28435521 × 10^8.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 126626500 positive integers (up to 128435521) that are relatively prime to 128435521.
128435521 has 4 divisors, whose sum is 130244544
The reverse of 128435521 is 125534821
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 31
Digital Root 4
Name
one hundred twenty-eight million four hundred thirty-five thousand five hundred twenty-one
Scientific notation
1.28435521 × 10^8
Engineering notation
1.28435521 × 10^6
Prime Factorization
71 × 1808951
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
128435521
Product of the distinct prime numbers
The prime factorization of 128435521 is 71 × 1808951.
Since it has a total of 2 prime factors.
3 , 3 , 9 , 58 , 770 , 106 , 7220 , 1374 , 71434 , 79608 , 616281 , 38794 , 3023665 , 9132914 , 74887456 , 3263802 , 47076489 , 900641916 , 2049740601 , 3089817377
n×2
256871042
n×3
385306563
n×4
513742084
n×5
642177605
n÷2
64217760.5
n÷3
42811840.333333
n÷3
32108880.25
n÷5
25687104.2
n2
16495683054541441
n3
2.1186316473609E+24
n4
2.7210755943589E+32
n5
3.4948276164186E+40
2 √n
11332.939645123
3 √n
504.53935840128
4 √n
106.45628044001
5 √n
41.85400581914
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
-128435520
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 128435521 can be divided by 4 positive divisors.
The sum of these divisors (counting 128435521) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101001111100010101000001
3
Ternary
22221200012102011
4
Quaternary
13221330111001
5
Quinary
230334414041
6
Senary
20424452521
8
Octal
751742501
10
Decimal
128435521
12
Duodecimal
3701a141
16
Hexadecimal
7a7c541
20
Vigesimal
202e8g1
36
Base36
24gthd
md5
f85b57534c28fa221c00507061049dd8
sha1
c58f61024899120a9bfee53dcd1fa1ba4ff92651
sha256
f9cdae8cfc6c30596ab13cb01d9a38584f7b51f040586a5f903ed613e82863a1
sha512
e6dc0ffcc9654830e0458cc1aa7188a30e77e6f0d7658d541eaf9fc1ead1a6757b4b2406b8f5bf88f08d3e8c4a083360813e6faa369bf7f959af6faae970ed3b
ripemd-160
50e878deea9204a8131993f8db07a3bc50132108
Diameter
256871042
Circumference
806984178.46716
Area
5.1822716700093E+16
Volume
8.8745034920158E+24
Surface area
2.0729086680037E+17
Circumference
806984178.46716
Perimeter
513742084
Area
16495683054541441
Diagonal
181635255.68865
Surface area
98974098327248646
Volume
2.1186316473609E+24
Space diagonal
222456847.86858
Perimeter
385306563
Area
7.1428402890047E+15
Altitude
111228423.93429
Surface area
7.1428402890047E+15
Volume
2.4968313411422E+23
Height
60545085.229551