128433991 is an odd 9-digits composite number following 128433990
and preceding 128433992 . In scientific notation, it is written as 1.28433991 × 10^8.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 107525880 positive integers (up to 128433991) that are relatively prime to 128433991.
128433991 has 4 divisors, whose sum is 128860984
The reverse of 128433991 is 199334821
Previous prime number is 301
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred twenty-eight million four hundred thirty-three thousand nine hundred ninety-one
Scientific notation
1.28433991 × 10^8
Engineering notation
1.28433991 × 10^6
Prime Factorization
301 × 426691
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
128433991
Product of the distinct prime numbers
The prime factorization of 128433991 is 301 × 426691.
Since it has a total of 2 prime factors.
4 , 2 , 16 , 93 , 301 , 391 , 3062 , 2604 , 93740 , 54364 , 986645 , 498234 , 217345 , 9825856 , 93465605 , 81977718 , 633837214 , 709700229 , 7496539444 , 6636298481
n×2
256867982
n×3
385301973
n×4
513735964
n×5
642169955
n÷2
64216995.5
n÷3
42811330.333333
n÷3
32108497.75
n÷5
25686798.2
n2
16495290044188081
n3
2.1185559330776E+24
n4
2.7209459364189E+32
n5
3.4946194590951E+40
2 √n
11332.872142577
3 √n
504.5373549361
4 √n
106.45596339603
5 √n
41.853906100723
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
-128433990
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 128433991 can be divided by 4 positive divisors.
The sum of these divisors (counting 128433991) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101001111011111101000111
3
Ternary
22221200010022111
4
Quaternary
13221323331013
5
Quinary
230334341431
6
Senary
20424441451
8
Octal
751737507
10
Decimal
128433991
12
Duodecimal
37019287
16
Hexadecimal
7a7bf47
20
Vigesimal
202e4jb
36
Base36
24gsav
md5
b4a95031f04be23efdb7c5475f9be4d7
sha1
b2a1aac12f9e7c76acc5c4a6620227cefc585e12
sha256
5253704a369b81582839231fbe46d3f6852b550930c49dc3e478abf34a6b8905
sha512
18c696069c258148b4c94bd3ec7e780b2c8d9342b3a8bf05a232440ceb988bc7d3410d8e9c9635f4d26b42628408edc00286e4ffff6d6703cf4b62bb37550bad
ripemd-160
f7a2b4c1fd77422a00e9024794ad3a030f6fdfa8
Diameter
256867982
Circumference
806974565.19364
Area
5.1821482021654E+16
Volume
8.8741863407677E+24
Surface area
2.0728592808662E+17
Circumference
806974565.19364
Perimeter
513735964
Area
16495290044188081
Diagonal
181633091.9419
Surface area
98971740265128486
Volume
2.1185559330776E+24
Space diagonal
222454197.83084
Perimeter
385301973
Area
7.1426701105297E+15
Altitude
111227098.91542
Surface area
7.1426701105297E+15
Volume
2.4967421110037E+23
Height
60544363.980635