128617265 is an odd 9-digits composite number following 128617264
and preceding 128617266 . In scientific notation, it is written as 1.28617265 × 10^8.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 84359616 positive integers (up to 128617265) that are relatively prime to 128617265.
128617265 has 16 divisors, whose sum is 184059648
The reverse of 128617265 is 562716821
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred twenty-eight million six hundred seventeen thousand two hundred sixty-five
Scientific notation
1.28617265 × 10^8
Engineering notation
1.28617265 × 10^6
Prime Factorization
5 × 7 × 23 × 159773
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128617265
Product of the distinct prime numbers
The prime factorization of 128617265 is 5 × 7 × 23 × 159773.
Since it has a total of 4 prime factors.
1 , 1 , 42 , 72 , 333 , 869 , 3760 , 8525 , 9984 , 22980 , 457677 , 976999 , 6578795 , 4570649 , 95901474 , 13100191 , 689154406 , 889308658 , 8900201295 , 3537652660
n×2
257234530
n×3
385851795
n×4
514469060
n×5
643086325
n÷2
64308632.5
n÷3
42872421.666667
n÷3
32154316.25
n÷5
25723453
n2
16542400856080225
n3
2.1276383546427E+24
n4
2.7365102608324E+32
n5
3.519624653927E+40
2 √n
11340.955206683
3 √n
504.77723076491
4 √n
106.49392098464
5 √n
41.865844308123
1 , 5 , 7 , 23 , 35 , 115 , 161 , 805 , 159773 , 798865 , 1118411 , 3674779 , 5592055 , 18373895 , 25723453 , 128617265
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
-128617264
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 128617265 can be divided by 16 positive divisors.
The sum of these divisors (counting 128617265) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101010101000101100110001
3
Ternary
22222000102201102
4
Quaternary
13222220230301
5
Quinary
230411223030
6
Senary
20432414145
8
Octal
752505461
10
Decimal
128617265
12
Duodecimal
370a7355
16
Hexadecimal
7aa8b31
20
Vigesimal
203h335
36
Base36
24kppt
md5
1f1abc465a969779d077a724cec5be56
sha1
34829957ca4cc4953642cd9e38145a8cab302568
sha256
cd9d47eaf4e5c5cf3e53100d616d46c70cf6a4f56b599c7c52116608fe83c838
sha512
97b1b0e126269236c5aaea0e7d60c0d1fb7a6dd5fdc48e6d82682803b8c5b2c6015adb21a9050ddbcab15e364f4a100083e3c701dc5210990ef6db9fc6db5bcc
ripemd-160
8d2eb461bd1f6fed210dc400a3431cf73f3e4421
Diameter
257234530
Circumference
808126109.69762
Area
5.1969485002199E+16
Volume
8.9122306992552E+24
Surface area
2.078779400088E+17
Circumference
808126109.69762
Perimeter
514469060
Area
16542400856080225
Diagonal
181892280.51833
Surface area
99254405136481350
Volume
2.1276383546427E+24
Space diagonal
222771637.71055
Perimeter
385851795
Area
7.1630696904755E+15
Altitude
111385818.85528
Surface area
7.1630696904755E+15
Volume
2.5074458474674E+23
Height
60630760.172778