128839669 is an odd 9-digits composite number following 128839668
and preceding 128839670 . In scientific notation, it is written as 1.28839669 × 10^8.
The sum of its digits is 52. It has a total of 3 prime factors and 6 positive divisors.
There are 110433960 positive integers (up to 128839669) that are relatively prime to 128839669.
128839669 has 6 divisors, whose sum is 149874774
The reverse of 128839669 is 966938821
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 52
Digital Root 7
Name
one hundred twenty-eight million eight hundred thirty-nine thousand six hundred sixty-nine
Scientific notation
1.28839669 × 10^8
Engineering notation
1.28839669 × 10^6
Prime Factorization
7 × 7 × 2629381
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
18405667
Product of the distinct prime numbers
The prime factorization of 128839669 is 7 × 7 × 2629381.
Since it has a total of 3 prime factors.
6 , 10 , 10 , 32 , 491 , 340 , 2308 , 6659 , 92567 , 16404 , 203382 , 455679 , 815739 , 9920795 , 97033565 , 51892547 , 850480819 , 731821384 , 5468525099 , 3555586242
n×2
257679338
n×3
386519007
n×4
515358676
n×5
644198345
n÷2
64419834.5
n÷3
42946556.333333
n÷3
32209917.25
n÷5
25767933.8
n2
16599660308029561
n3
2.138694739599E+24
n4
2.7554872234197E+32
n5
3.5501606179913E+40
2 √n
11350.756318413
3 √n
505.06801554243
4 √n
106.53992828237
5 √n
41.880313123979
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128839668
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128839669 can be divided by 6 positive divisors.
The sum of these divisors (counting 128839669) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
111101011011110111111110101
3
Ternary
22222102201210121
4
Quaternary
13223132333311
5
Quinary
230440332134
6
Senary
20441251541
8
Octal
753367765
10
Decimal
128839669
12
Duodecimal
37193bb1
16
Hexadecimal
7adeff5
20
Vigesimal
2054j39
36
Base36
24phbp
md5
66e51747cf782252e4aeab1216061dac
sha1
cf17a960cfcec4312f24b9692ac27c0f166c85e6
sha256
38b4283572bcf182698c2f1b00e624de15f9089e569d0824a909b6714df235fe
sha512
dabb8378af3b74fc72fb4d021bbfe4a7d68904ea0dcb545b71c41fd5b1c30f55de74cd1798be7598dc19cadca696ad6a52c6dd48221b2b6ad0f041f7cd47b86f
ripemd-160
4a40380830f4e1c093a44eb9886b1bd74d308d6a
Diameter
257679338
Circumference
809523515.24268
Area
5.2149370875792E+16
Volume
8.9585435762603E+24
Surface area
2.0859748350317E+17
Circumference
809523515.24268
Perimeter
515358676
Area
16599660308029561
Diagonal
182206807.27146
Surface area
99597961848177366
Volume
2.138694739599E+24
Space diagonal
223156852.73836
Perimeter
386519007
Area
7.1878637604729E+15
Altitude
111578426.36918
Surface area
7.1878637604729E+15
Volume
2.5204759220974E+23
Height
60735602.42382