128693493 is an odd 9-digits composite number following 128693492
and preceding 128693494 . In scientific notation, it is written as 1.28693493 × 10^8.
The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors.
There are 82188000 positive integers (up to 128693493) that are relatively prime to 128693493.
128693493 has 24 divisors, whose sum is 193829376
The reverse of 128693493 is 394396821
Previous prime number is 101
Is Prime? no Number parity odd Number length 9 Sum of Digits 45 Digital Root 9
Name
one hundred twenty-eight million six hundred ninety-three thousand four hundred ninety-three
Scientific notation
1.28693493 × 10^8
Engineering notation
1.28693493 × 10^6
Prime Factorization
3 × 3 × 31 × 101 × 4567
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
42897831 Product of the distinct prime numbers
The prime factorization of 128693493 is 3 × 3 × 31 × 101 × 4567.
Since it has a total of 5 prime factors.
8 , 4 , 52 , 2 , 556 , 580 , 9083 , 391 , 41745 , 42417 , 189321 , 296195 , 1964006 , 6968163 , 63090258 , 77627110 , 768661060 , 261588750 , 7741938516 , 9771807075
n×2
257386986
n×3
386080479
n×4
514773972
n×5
643467465
n÷2
64346746.5
n÷3
42897831
n÷3
32173373.25
n÷5
25738698.6
n2
16562015140541049
n3
2.1314235795551E+24
n4
2.7430034551551E+32
n5
3.5300669595498E+40
2 √n11344.315448717
3 √n504.87693370809
4 √n106.50969650092
5 √n41.870805684463
1 , 3 , 9 , 31 , 93 , 101 , 279 , 303 , 909 , 3131 , 4567 , 9393 , 13701 , 28179 , 41103 , 141577 , 424731 , 461267 , 1274193 , 1383801 , 4151403 , 14299277 , 42897831 , 128693493
24 divisors
τ Total Divisors
24 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-128693492 Sum of the proper positive divisors of n
A Arithmetic Mean
0.041666666666667 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
24 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128693493 can be divided by 24 positive divisors.
The sum of these divisors (counting 128693493) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111101010111011010011110101
3
Ternary
22222011022021200
4
Quaternary
13222323103311
5
Quinary
230421142433
6
Senary
20434203113
8
Octal
752732365
10
Decimal
128693493
12
Duodecimal
37123499
16
Hexadecimal
7abb4f5
20
Vigesimal
2046ded
36
Base36
24mcj9
md5
f23a145d6547176d66eb34a8096162a6
sha1
c9b933b9339b9f104632c3836f5c678cbafde9f8
sha256
5cf3264f955b7834209367f169cf443d8a8b1898d6c501807af650ef30fb899a
sha512
dd06297a9be53b93a900da946c157248d6760ff9893c5d7bddbe613ad335040bdf290b25266ef270812e49b21202f61799bfb926b775d955e6025b32ece98e11
ripemd-160
6b8b169f9076f9f79021dd6108e7da2da086e881
Diameter
257386986
Circumference
808605064.34722
Area
5.2031105094167E+16
Volume
8.9280862122912E+24
Surface area
2.0812442037667E+17
Circumference
808605064.34722
Perimeter
514773972
Area
16562015140541049
Diagonal
182000083.18977
Surface area
99372090843246294
Volume
2.1314235795551E+24
Space diagonal
222903668.47951
Perimeter
386080479
Area
7.1715629247855E+15
Altitude
111451834.23975
Surface area
7.1715629247855E+15
Volume
2.5119067778072E+23
Height
60666694.396589