128021235 is an odd 9-digits composite number following 128021234
and preceding 128021236 . In scientific notation, it is written as 1.28021235 × 10^8.
The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors.
There are 66989312 positive integers (up to 128021235) that are relatively prime to 128021235.
128021235 has 8 divisors, whose sum is 139133376
The reverse of 128021235 is 532120821
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 24
Digital Root 6
Name
one hundred twenty-eight million twenty-one thousand two hundred thirty-five
Scientific notation
1.28021235 × 10^8
Engineering notation
1.28021235 × 10^6
Prime Factorization
15 × 53 × 161033
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
128021235
Product of the distinct prime numbers
The prime factorization of 128021235 is 15 × 53 × 161033.
Since it has a total of 3 prime factors.
6 , 7 , 16 , 89 , 479 , 958 , 8564 , 5114 , 99668 , 59457 , 374744 , 852167 , 9802188 , 4047433 , 23789944 , 47626494 , 871715217 , 132699726 , 2175414075 , 7318930701
n×2
256042470
n×3
384063705
n×4
512084940
n×5
640106175
n÷2
64010617.5
n÷3
42673745
n÷3
32005308.75
n÷5
25604247
n2
16389436610925225
n3
2.0981959158849E+24
n4
2.6861363242354E+32
n5
3.4388248960697E+40
2 √n
11314.646923347
3 √n
503.99628760808
4 √n
106.37032914938
5 √n
41.826969771313
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128021234
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128021235 can be divided by 8 positive divisors.
The sum of these divisors (counting 128021235) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101000010111001011110011
3
Ternary
22220220011010020
4
Quaternary
13220113023303
5
Quinary
230233134420
6
Senary
20411534523
8
Octal
750271363
10
Decimal
128021235
12
Duodecimal
36a5a443
16
Hexadecimal
7a172f3
20
Vigesimal
2002d1f
36
Base36
247xtf
md5
bbe24b24ec083ccdb9d994644819700e
sha1
69d928c5c6c06e51fcc0ebc274a8dc06773f7a3e
sha256
27482ac3b2919d5154ca60c9877223974f89f4a0e45f48ae5b69cf061a449578
sha512
989f7c97cd6c4327282562ed1b6f5a8860e25d48eb721238addeb3681449d6755fa1a675329f900b14e76d5dc5f52129a3e2e0c552ca8272a3094b1043a0c9d9
ripemd-160
6130eced8bc572aaa727352a5c96cf73972ec090
Diameter
256042470
Circumference
804381142.75899
Area
5.1488933653358E+16
Volume
8.7889025001813E+24
Surface area
2.0595573461343E+17
Circumference
804381142.75899
Perimeter
512084940
Area
16389436610925225
Diagonal
181049366.80875
Surface area
98336619665551350
Volume
2.0981959158849E+24
Space diagonal
221739283.46771
Perimeter
384063705
Area
7.096834229388E+15
Altitude
110869641.73386
Surface area
7.096834229388E+15
Volume
2.4727476006335E+23
Height
60349788.936251