128819405 is an odd 9-digits composite number following 128819404
and preceding 128819406 . In scientific notation, it is written as 1.28819405 × 10^8.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 86473920 positive integers (up to 128819405) that are relatively prime to 128819405.
128819405 has 16 divisors, whose sum is 169646400
The reverse of 128819405 is 504918821
Previous prime number is 169
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred twenty-eight million eight hundred nineteen thousand four hundred five
Scientific notation
1.28819405 × 10^8
Engineering notation
1.28819405 × 10^6
Prime Factorization
5 × 11 × 169 × 13859
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128819405
Product of the distinct prime numbers
The prime factorization of 128819405 is 5 × 11 × 169 × 13859.
Since it has a total of 4 prime factors.
10 , 5 , 85 , 2 , 95 , 910 , 2623 , 406 , 88803 , 87741 , 354208 , 404773 , 1109658 , 8828932 , 93310141 , 92454698 , 240597634 , 450604222 , 6162058216 , 7155421914
n×2
257638810
n×3
386458215
n×4
515277620
n×5
644097025
n÷2
64409702.5
n÷3
42939801.666667
n÷3
32204851.25
n÷5
25763881
n2
16594439104554025
n3
2.1376857717574E+24
n4
2.7537540919475E+32
n5
3.5473696364099E+40
2 √n
11349.863655569
3 √n
505.04153499502
4 √n
106.53573886527
5 √n
41.878995647665
1 , 5 , 11 , 55 , 169 , 845 , 1859 , 9295 , 13859 , 69295 , 152449 , 762245 , 2342171 , 11710855 , 25763881 , 128819405
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
-128819404
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 128819405 can be divided by 16 positive divisors.
The sum of these divisors (counting 128819405) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101011011010000011001101
3
Ternary
22222101201000002
4
Quaternary
13223122003031
5
Quinary
230434210110
6
Senary
20441014045
8
Octal
753320315
10
Decimal
128819405
12
Duodecimal
37184325
16
Hexadecimal
7ada0cd
20
Vigesimal
20528a5
36
Base36
24p1ot
md5
04da91c882f7a00989c171126453036d
sha1
fada25c837a98573c7abb8605f4a58d40b184b93
sha256
7ed6ae510f3b7fc81f14dc3332a6539c930a697a133ec6c512616f0bb13f5a3e
sha512
e342200ce5ade260d56cd6ce650356128c634427ff03a5c745b49718f122a7648cdaf4b486476aba1e039a93093d720eb5cb6537cac4b43ae446956dcb56ce62
ripemd-160
b55f1034577255d92ff20f17544c0e55993f3dd7
Diameter
257638810
Circumference
809396192.77562
Area
5.213296798131E+16
Volume
8.9543172216486E+24
Surface area
2.0853187192524E+17
Circumference
809396192.77562
Perimeter
515277620
Area
16594439104554025
Diagonal
182178149.64783
Surface area
99566634627324150
Volume
2.1376857717574E+24
Space diagonal
223121754.46079
Perimeter
386458215
Area
7.1856029130488E+15
Altitude
111560877.2304
Surface area
7.1856029130488E+15
Volume
2.5192868420927E+23
Height
60726049.882611