128698530 is an even 9-digits composite number following 128698529
and preceding 128698531 . In scientific notation, it is written as 1.28698530 × 10^8.
The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors.
There are 33998016 positive integers (up to 128698530) that are relatively prime to 128698530.
128698530 has 32 divisors, whose sum is 311770944
The reverse of 128698530 is 035896821
Previous prime number is 107
Is Prime? no
Number parity even
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred twenty-eight million six hundred ninety-eight thousand five hundred thirty
Scientific notation
1.28698530 × 10^8
Engineering notation
1.28698530 × 10^6
Prime Factorization
2 × 5 × 3 × 107 × 40093
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
128698530
Product of the distinct prime numbers
The prime factorization of 128698530 is 2 × 5 × 3 × 107 × 40093.
Since it has a total of 5 prime factors.
5 , 4 , 69 , 17 , 993 , 162 , 5076 , 4414 , 13273 , 9594 , 796830 , 846558 , 5147209 , 2046148 , 51194930 , 76437486 , 769593729 , 114567296 , 3639168156 , 2188583826
n×2
257397060
n×3
386095590
n×4
514794120
n×5
643492650
n÷2
64349265
n÷3
42899510
n÷3
32174632.5
n÷5
25739706
n2
16563311624160900
n3
2.1316738579614E+24
n4
2.7434329195906E+32
n5
3.5307578390492E+40
2 √n
11344.537452007
3 √n
504.88352050042
4 √n
106.5107386699
5 √n
41.871133439879
1 , 2 , 3 , 5 , 6 , 10 , 15 , 30 , 107 , 214 , 321 , 535 , 642 , 1070 , 1605 , 3210 , 40093 , 80186 , 120279 , 200465 , 240558 , 400930 , 601395 , 1202790 , 4289951 , 8579902 , 12869853 , 21449755 , 25739706 , 42899510 , 64349265 , 128698530
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128698529
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128698530 can be divided by 32 positive divisors.
The sum of these divisors (counting 128698530) is 1, the average is 0.03125.
Base
System
Value
2
Binary
111101010111100100010100010
3
Ternary
22222011120012020
4
Quaternary
13222330202202
5
Quinary
230421323110
6
Senary
20434242310
8
Octal
752744242
10
Decimal
128698530
12
Duodecimal
37126396
16
Hexadecimal
7abc8a2
20
Vigesimal
204766a
36
Base36
24mgf6
md5
5bbd0a7ae385f83cdbbc971096139a9b
sha1
4a368d7dc81ce23beb38b4e1b3fc8574dd740d65
sha256
775a511b4ce49fbc17d3f6e66add7682fa6fd670b3e3deb6b1278201738b4115
sha512
e50ac74df4dad7480596b2d3ae346c7531d6d4ca0d00f68f9bef79a726a47110ab8fe2da24959d40ec3c05a7b012b81b74bf964104b3853d4565a3a21b72ac22
ripemd-160
ece323794b4229656347fad2f78d07ebd96baf5d
Diameter
257397060
Circumference
808636712.75161
Area
5.2035178117582E+16
Volume
8.929134576028E+24
Surface area
2.0814071247033E+17
Circumference
808636712.75161
Perimeter
514794120
Area
16563311624160900
Diagonal
182007206.58348
Surface area
99379869744965400
Volume
2.1316738579614E+24
Space diagonal
222912392.81943
Perimeter
386095590
Area
7.1721243186607E+15
Altitude
111456196.40971
Surface area
7.1721243186607E+15
Volume
2.5122017337377E+23
Height
60669068.86116