128698982 is an even 9-digits composite number following 128698981
and preceding 128698983 . In scientific notation, it is written as 1.28698982 × 10^8.
The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors.
There are 64349490 positive integers (up to 128698982) that are relatively prime to 128698982.
128698982 has 4 divisors, whose sum is 193048476
The reverse of 128698982 is 289896821
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 53
Digital Root 8
Name
one hundred twenty-eight million six hundred ninety-eight thousand nine hundred eighty-two
Scientific notation
1.28698982 × 10^8
Engineering notation
1.28698982 × 10^6
Prime Factorization
2 × 64349491
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
128698982
Product of the distinct prime numbers
The prime factorization of 128698982 is 2 × 64349491.
Since it has a total of 2 prime factors.
4 , 2 , 39 , 55 , 75 , 636 , 5175 , 6348 , 59597 , 77177 , 880039 , 977437 , 3922128 , 418178 , 29675188 , 81912882 , 659953761 , 739943256 , 4096489173 , 939274607
n×2
257397964
n×3
386096946
n×4
514795928
n×5
643494910
n÷2
64349491
n÷3
42899660.666667
n÷3
32174745.5
n÷5
25739796.4
n2
16563427967836324
n3
2.1316963178909E+24
n4
2.743471460457E+32
n5
3.5308198410687E+40
2 √n
11344.557373472
3 √n
504.88411156411
4 √n
106.51083218843
5 √n
41.871162850822
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
-128698981
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 128698982 can be divided by 4 positive divisors.
The sum of these divisors (counting 128698982) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101010111100101001100110
3
Ternary
22222011120210222
4
Quaternary
13222330221212
5
Quinary
230421331412
6
Senary
20434244342
8
Octal
752745146
10
Decimal
128698982
12
Duodecimal
371266b2
16
Hexadecimal
7abca66
20
Vigesimal
2047792
36
Base36
24mgrq
md5
0d1199a974273a3dd23d0484c7cbfa89
sha1
b498760a9faa770cc5dce74916eb78558aaa8bd1
sha256
91e86fee84e7f5cb031a06ff1adbf46d9fa0b3cb92e63e68e4a484050c99e6e7
sha512
6d90f6bc9de595745e4eebd572d808727b1200ceabf001b15639cd87e58d339e0598796286e7430667d6c61a6e850caa75c12c1c5b01b703274b568babe972fe
ripemd-160
239ff64847461f5d25344d6ced5e6a89b897bcc9
Diameter
257397964
Circumference
808639552.75137
Area
5.2035543622018E+16
Volume
8.9292286559605E+24
Surface area
2.0814217448807E+17
Circumference
808639552.75137
Perimeter
514795928
Area
16563427967836324
Diagonal
182007845.80801
Surface area
99380567807017944
Volume
2.1316963178909E+24
Space diagonal
222913175.70639
Perimeter
386096946
Area
7.17217469695E+15
Altitude
111456587.8532
Surface area
7.17217469695E+15
Volume
2.5122282030184E+23
Height
60669281.936004