128609565 is an odd 9-digits composite number following 128609564
and preceding 128609566 . In scientific notation, it is written as 1.28609565 × 10^8.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 58776480 positive integers (up to 128609565) that are relatively prime to 128609565.
128609565 has 16 divisors, whose sum is 151452800
The reverse of 128609565 is 565906821
Previous prime number is 49
Is Prime? no Number parity odd Number length 9 Sum of Digits 42 Digital Root 6
Name
one hundred twenty-eight million six hundred nine thousand five hundred sixty-five
Scientific notation
1.28609565 × 10^8
Engineering notation
1.28609565 × 10^6
Prime Factorization
105 × 7 × 49 × 3571
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
128609565 Product of the distinct prime numbers
The prime factorization of 128609565 is 105 × 7 × 49 × 3571.
Since it has a total of 4 prime factors.
1 , 3 , 7 , 73 , 516 , 493 , 1032 , 6029 , 41109 , 69356 , 297478 , 674765 , 7577809 , 962596 , 79120345 , 70400422 , 818963838 , 12139169 , 5723777584 , 8388999287
n×2
257219130
n×3
385828695
n×4
514438260
n×5
643047825
n÷2
64304782.5
n÷3
42869855
n÷3
32152391.25
n÷5
25721913
n2
16540420209489225
n3
2.1272562480596E+24
n4
2.7358550070648E+32
n5
3.5185712236168E+40
2 √n11340.615724025
3 √n504.76715730589
4 √n106.49232706644
5 √n41.865343015048
1 , 7 , 49 , 105 , 343 , 735 , 3571 , 5145 , 24997 , 36015 , 174979 , 374955 , 1224853 , 2624685 , 18372795 , 128609565
16 divisors
τ Total Divisors
16 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-128609564 Sum of the proper positive divisors of n
A Arithmetic Mean
0.0625 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
16 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128609565 can be divided by 16 positive divisors.
The sum of these divisors (counting 128609565) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101010100110110100011101
3
Ternary
22222000001011020
4
Quaternary
13222212310131
5
Quinary
230411001230
6
Senary
20432314353
8
Octal
752466435
10
Decimal
128609565
12
Duodecimal
370a29b9
16
Hexadecimal
7aa6d1d
20
Vigesimal
203g3i5
36
Base36
24kjrx
md5
20101faf3da8eafbf3f42aefa1f490ae
sha1
a0a149f4301e3533dd7a1d6f0218d3a51d86235f
sha256
3eb32884d8132fba24c801b28723f576bdaccfc8edda46d8e3d1d29b53c1018d
sha512
b7e11a91b4996ce52ea139b2b6355cdec40cc09025094bf79b83d0af2e13d38b1066bf4487969933be37d7208c8aaefe410d4413e8268f2ca451092b6c786b80
ripemd-160
86225b92e42d33a39ae3c93105f9459fb6923b4c
Diameter
257219130
Circumference
808077729.17076
Area
5.1963262617419E+16
Volume
8.9106301349428E+24
Surface area
2.0785305046968E+17
Circumference
808077729.17076
Perimeter
514438260
Area
16540420209489225
Diagonal
181881391.0739
Surface area
99242521256935350
Volume
2.1272562480596E+24
Space diagonal
222758300.91933
Perimeter
385828695
Area
7.1622120453436E+15
Altitude
111379150.45967
Surface area
7.1622120453436E+15
Volume
2.5069955305407E+23
Height
60627130.357968