128049409 is an odd 9-digits composite number following 128049408
and preceding 128049410 . In scientific notation, it is written as 1.28049409 × 10^8.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 126067200 positive integers (up to 128049409) that are relatively prime to 128049409.
128049409 has 4 divisors, whose sum is 128075220
The reverse of 128049409 is 904940821
Previous prime number is 19109
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1
Name
one hundred twenty-eight million forty-nine thousand four hundred nine
Scientific notation
1.28049409 × 10^8
Engineering notation
1.28049409 × 10^6
Prime Factorization
19109 × 6701
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
128049409
Product of the distinct prime numbers
The prime factorization of 128049409 is 19109 × 6701.
Since it has a total of 2 prime factors.
8 , 6 , 68 , 27 , 592 , 183 , 2202 , 4794 , 73070 , 55513 , 218014 , 412996 , 9641409 , 8798560 , 43557425 , 20745461 , 748257767 , 40863194 , 5618272054 , 778304648
n×2
256098818
n×3
384148227
n×4
512197636
n×5
640247045
n÷2
64024704.5
n÷3
42683136.333333
n÷3
32012352.25
n÷5
25609881.8
n2
16396651145249281
n3
2.0995814887283E+24
n4
2.68850168779E+32
n5
3.4426105221702E+40
2 √n
11315.891878239
3 √n
504.03325686527
4 √n
106.37618097224
5 √n
41.82881060549
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
-128049408
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 128049409 can be divided by 4 positive divisors.
The sum of these divisors (counting 128049409) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101000011110000100000001
3
Ternary
22220221120202201
4
Quaternary
13220132010001
5
Quinary
230240040114
6
Senary
20412313201
8
Octal
750360401
10
Decimal
128049409
12
Duodecimal
36a72801
16
Hexadecimal
7a1e101
20
Vigesimal
20063a9
36
Base36
248jk1
md5
08ecf306e6a38b6f337f0cab07e6cc52
sha1
4367cbb42ea896ac484786228a982615cfb8da0a
sha256
8c8ecd7027811704d39dbc0c94a5bcdce19baa73ba5c10702546c932d7da3eb9
sha512
8fbcab5f657a3238e46f49311b07fc68ec21702f4a08d6dcd13bf5848333701dd2d77e5e0f07f3756d78a40e1f75fd001febb7d98578e6f8e04efcefd77e7e9b
ripemd-160
d7b50cebdcd0c852b9557d140dd655b2fe597781
Diameter
256098818
Circumference
804558165.22183
Area
5.151159878139E+16
Volume
8.7947063741361E+24
Surface area
2.0604639512556E+17
Circumference
804558165.22183
Perimeter
512197636
Area
16396651145249281
Diagonal
181089210.86166
Surface area
98379906871495686
Volume
2.0995814887283E+24
Space diagonal
221788082.26717
Perimeter
384148227
Area
7.0999582143885E+15
Altitude
110894041.13358
Surface area
7.0999582143885E+15
Volume
2.4743805138893E+23
Height
60363070.28722