128137769 is an odd 9-digits composite number following 128137768
and preceding 128137770 . In scientific notation, it is written as 1.28137769 × 10^8.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 127869780 positive integers (up to 128137769) that are relatively prime to 128137769.
128137769 has 4 divisors, whose sum is 128405760
The reverse of 128137769 is 967731821
Previous prime number is 479
Is Prime? no Number parity odd Number length 9 Sum of Digits 44 Digital Root 8
Name
one hundred twenty-eight million one hundred thirty-seven thousand seven hundred sixty-nine
Scientific notation
1.28137769 × 10^8
Engineering notation
1.28137769 × 10^6
Prime Factorization
479 × 267511
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
128137769 Product of the distinct prime numbers
The prime factorization of 128137769 is 479 × 267511.
Since it has a total of 2 prime factors.
1 , 4 , 35 , 9 , 156 , 611 , 7286 , 7748 , 29491 , 99339 , 21237 , 494241 , 2848413 , 8010126 , 58966151 , 4531250 , 997076780 , 574583257 , 2829392692 , 5594982754
n×2
256275538
n×3
384413307
n×4
512551076
n×5
640688845
n÷2
64068884.5
n÷3
42712589.666667
n÷3
32034442.25
n÷5
25627553.8
n2
16419287844297361
n3
2.1039309129371E+24
n4
2.6959301331389E+32
n5
3.4545047264029E+40
2 √n11319.795448682
3 √n504.14916560913
4 √n106.39452734367
5 √n41.834581774593
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
-128137768 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 128137769 can be divided by 4 positive divisors.
The sum of these divisors (counting 128137769) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101000110011101000101001
3
Ternary
22221010001222022
4
Quaternary
13220303220221
5
Quinary
230300402034
6
Senary
20414234225
8
Octal
750635051
10
Decimal
128137769
12
Duodecimal
36ab5975
16
Hexadecimal
7a33a29
20
Vigesimal
200h489
36
Base36
24afqh
md5
c03f5991277ad7ba811b35f1595fbaff
sha1
5c34595c5d095a50c89a5591a295c32e6c90b551
sha256
b768bb9f1cc15f99e788c773f937f8d32ef7a86baae0bbc79493c15061e2e23a
sha512
516fadb374e837c3dd9698aa4c112d9bafcf4e4fa6897c4e1fa21cda408bdc4d9ea9d72184082efd8702ffced24755ee29b73c5e9b6dfab85e96b963e9f7c8d6
ripemd-160
ac04bc7281fa89260080b56c1173e572cb1e38d6
Diameter
256275538
Circumference
805113347.47557
Area
5.1582714068821E+16
Volume
8.8129251996581E+24
Surface area
2.0633085627528E+17
Circumference
805113347.47557
Perimeter
512551076
Area
16419287844297361
Diagonal
181214170.77203
Surface area
98515727065784166
Volume
2.1039309129371E+24
Space diagonal
221941126.27652
Perimeter
384413307
Area
7.1097601926053E+15
Altitude
110970563.13826
Surface area
7.1097601926053E+15
Volume
2.4795063594764E+23
Height
60404723.590677