128818829 is an odd 9-digits composite number following 128818828
and preceding 128818830 . In scientific notation, it is written as 1.28818829 × 10^8.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 128794176 positive integers (up to 128818829) that are relatively prime to 128818829.
128818829 has 4 divisors, whose sum is 128843484
The reverse of 128818829 is 928818821
Previous prime number is 17137
Is Prime? no Number parity odd Number length 9 Sum of Digits 47 Digital Root 2
Name
one hundred twenty-eight million eight hundred eighteen thousand eight hundred twenty-nine
Scientific notation
1.28818829 × 10^8
Engineering notation
1.28818829 × 10^6
Prime Factorization
17137 × 7517
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
128818829 Product of the distinct prime numbers
The prime factorization of 128818829 is 17137 × 7517.
Since it has a total of 2 prime factors.
1 , 5 , 87 , 27 , 515 , 219 , 3463 , 4391 , 98050 , 79433 , 464179 , 106840 , 9392837 , 1870086 , 28302764 , 77697516 , 56811140 , 732712030 , 1707372054 , 4872308979
n×2
257637658
n×3
386456487
n×4
515275316
n×5
644094145
n÷2
64409414.5
n÷3
42939609.666667
n÷3
32204707.25
n÷5
25763765.8
n2
16594290704931241
n3
2.1376570966948E+24
n4
2.7537048399977E+32
n5
3.5472903290013E+40
2 √n11349.838280786
3 √n505.04078225036
4 √n106.53561977473
5 √n41.87895819625
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
-128818828 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 128818829 can be divided by 4 positive divisors.
The sum of these divisors (counting 128818829) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101011011001111010001101
3
Ternary
22222101200012202
4
Quaternary
13223121322031
5
Quinary
230434200304
6
Senary
20441011245
8
Octal
753317215
10
Decimal
128818829
12
Duodecimal
37183b25
16
Hexadecimal
7ad9e8d
20
Vigesimal
2052719
36
Base36
24p18t
md5
c965f7be80db143941555a13860b8146
sha1
6ce2a58cc18ae7c360e9832a20003889faa1c248
sha256
112a2a865aa63ae4ce36184a1a16874d400be13e615a7da19c488bbe11393b0f
sha512
3d2192f4279249a19bf79320e8d9063eef849aef4a102335779c0b619746197fe92c2933f7d5a5479e1fbba78d97c50bf014aa62bab0b41ae9d1a1d2449846b8
ripemd-160
6119a8d0a3dacc2ae9037b1ebe1afdf7c33a82f1
Diameter
257637658
Circumference
809392573.66088
Area
5.2132501770145E+16
Volume
8.9541971078274E+24
Surface area
2.0853000708058E+17
Circumference
809392573.66088
Perimeter
515275316
Area
16594290704931241
Diagonal
182177335.06082
Surface area
99565744229587446
Volume
2.1376570966948E+24
Space diagonal
223120756.79953
Perimeter
386456487
Area
7.1855386541272E+15
Altitude
111560378.39976
Surface area
7.1855386541272E+15
Volume
2.5192530482074E+23
Height
60725778.353607