128839165 is an odd 9-digits composite number following 128839164
and preceding 128839166 . In scientific notation, it is written as 1.28839165 × 10^8.
The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors.
There are 81550656 positive integers (up to 128839165) that are relatively prime to 128839165.
128839165 has 16 divisors, whose sum is 190286208
The reverse of 128839165 is 561938821
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7
Name
one hundred twenty-eight million eight hundred thirty-nine thousand one hundred sixty-five
Scientific notation
1.28839165 × 10^8
Engineering notation
1.28839165 × 10^6
Prime Factorization
5 × 7 × 13 × 283163
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128839165
Product of the distinct prime numbers
The prime factorization of 128839165 is 5 × 7 × 13 × 283163.
Since it has a total of 4 prime factors.
3 , 3 , 81 , 56 , 339 , 916 , 7081 , 1853 , 64459 , 98305 , 933898 , 831536 , 102048 , 4422226 , 56645894 , 15773031 , 618442397 , 827831659 , 3710987676 , 8973827725
n×2
257678330
n×3
386517495
n×4
515356660
n×5
644195825
n÷2
64419582.5
n÷3
42946388.333333
n÷3
32209791.25
n÷5
25767833
n2
16599530437897225
n3
2.1386696410108E+24
n4
2.7554441075868E+32
n5
3.5500911802565E+40
2 √n
11350.734117228
3 √n
505.06735696004
4 √n
106.53982409047
5 √n
41.880280358122
1 , 5 , 7 , 13 , 35 , 65 , 91 , 455 , 283163 , 1415815 , 1982141 , 3681119 , 9910705 , 18405595 , 25767833 , 128839165
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
-128839164
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 128839165 can be divided by 16 positive divisors.
The sum of these divisors (counting 128839165) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101011011110110111111101
3
Ternary
22222102201002221
4
Quaternary
13223132313331
5
Quinary
230440323130
6
Senary
20441245341
8
Octal
753366775
10
Decimal
128839165
12
Duodecimal
37193851
16
Hexadecimal
7adedfd
20
Vigesimal
2054hi5
36
Base36
24pgxp
md5
ad07829bd181077f59cbf4eeaba13a2f
sha1
0d51cfd9c111bb524dc08dc71efa371ef9dcc023
sha256
58170a756b3268facaa109b9c3999515ad33b603bdfd4ccad5c630b300c89ade
sha512
62774e3ec5d00f54a3e61a95a91b372ddd71ca9fd904b773a506722e257ddb8ec30731f01ffaecccb065d6c7e19f0c02904881b2d801e66de177a979e5b20d4e
ripemd-160
3b59a90199e5ab94145c57a5c5366887d1f018f5
Diameter
257678330
Circumference
809520348.51729
Area
5.2148962876738E+16
Volume
8.9584384435399E+24
Surface area
2.0859585150695E+17
Circumference
809520348.51729
Perimeter
515356660
Area
16599530437897225
Diagonal
182206094.50782
Surface area
99597182627383350
Volume
2.1386696410108E+24
Space diagonal
223155979.78475
Perimeter
386517495
Area
7.187807525056E+15
Altitude
111577989.89237
Surface area
7.187807525056E+15
Volume
2.5204463431275E+23
Height
60735364.835942