128335887 is an odd 9-digits composite number following 128335886
and preceding 128335888 . In scientific notation, it is written as 1.28335887 × 10^8.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 82827360 positive integers (up to 128335887) that are relatively prime to 128335887.
128335887 has 16 divisors, whose sum is 137407872
The reverse of 128335887 is 788533821
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
one hundred twenty-eight million three hundred thirty-five thousand eight hundred eighty-seven
Scientific notation
1.28335887 × 10^8
Engineering notation
1.28335887 × 10^6
Prime Factorization
27 × 61 × 67 × 1163
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128335887
Product of the distinct prime numbers
The prime factorization of 128335887 is 27 × 61 × 67 × 1163.
Since it has a total of 4 prime factors.
3 , 5 , 85 , 93 , 910 , 403 , 2727 , 5703 , 48278 , 75011 , 451705 , 430217 , 8792336 , 4294533 , 3041515 , 73075994 , 260875054 , 103093461 , 4958969710 , 6351008571
n×2
256671774
n×3
385007661
n×4
513343548
n×5
641679435
n÷2
64167943.5
n÷3
42778629
n÷3
32083971.75
n÷5
25667177.4
n2
16470099892076769
n3
2.1137048786283E+24
n4
2.7126419045499E+32
n5
3.4812930493378E+40
2 √n
11328.543021942
3 √n
504.40885899202
4 √n
106.43562853642
5 √n
41.84751014479
1 , 27 , 61 , 67 , 1163 , 1647 , 1809 , 4087 , 31401 , 70943 , 77921 , 110349 , 1915461 , 2103867 , 4753181 , 128335887
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
-128335886
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 128335887 can be divided by 16 positive divisors.
The sum of these divisors (counting 128335887) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101001100100000000001111
3
Ternary
22221111010202000
4
Quaternary
13221210000033
5
Quinary
230323222022
6
Senary
20422403343
8
Octal
751440017
10
Decimal
128335887
12
Duodecimal
36b90553
16
Hexadecimal
7a6400f
20
Vigesimal
2021je7
36
Base36
24eolr
md5
9448df1319967e4ce3e689fc440338bc
sha1
df59016f10d6aea2903af08774b25e04fba6878f
sha256
a38243866ad137d43a026af318f23f79f2ac25064e4cb33c6be3c68220abc0f2
sha512
e016a2696e8fe5733bcb6aead29cc2ea1d85b7019fdea542cd5b2d2c00042f0fe5792e92da5fa96ae3e021e75c19b47db0688c8d4bbc2bbdd6bb62f85b6d7392
ripemd-160
d1592e057997adf0a8fde2174eb0cf5b76e4e849
Diameter
256671774
Circumference
806358159.58226
Area
5.1742344824838E+16
Volume
8.8538662914073E+24
Surface area
2.0696937929935E+17
Circumference
806358159.58226
Perimeter
513343548
Area
16470099892076769
Diagonal
181494351.93458
Surface area
98820599352460614
Volume
2.1137048786283E+24
Space diagonal
222284276.71842
Perimeter
385007661
Area
7.1317624547029E+15
Altitude
111142138.35921
Surface area
7.1317624547029E+15
Volume
2.4910250885086E+23
Height
60498117.311527