128215368 is an even 9-digits composite number following 128215367
and preceding 128215369 . In scientific notation, it is written as 1.28215368 × 10^8.
The sum of its digits is 36. It has a total of 6 prime factors and 32 positive divisors.
There are 42649056 positive integers (up to 128215368) that are relatively prime to 128215368.
128215368 has 32 divisors, whose sum is 267674400
The reverse of 128215368 is 863512821
Previous prime number is 3163
Is Prime? no
Number parity even
Number length 9
Sum of Digits 36
Digital Root 9
Name
one hundred twenty-eight million two hundred fifteen thousand three hundred sixty-eight
Scientific notation
1.28215368 × 10^8
Engineering notation
1.28215368 × 10^6
Prime Factorization
2 × 2 × 2 × 9 × 3163 × 563
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
32053842
Product of the distinct prime numbers
The prime factorization of 128215368 is 2 × 2 × 2 × 9 × 3163 × 563.
Since it has a total of 6 prime factors.
7 , 10 , 52 , 37 , 252 , 16 , 8899 , 6317 , 11057 , 84290 , 74204 , 154600 , 4651468 , 2176166 , 74248067 , 80542736 , 796272012 , 116261212 , 3521044104 , 3532138961
n×2
256430736
n×3
384646104
n×4
512861472
n×5
641076840
n÷2
64107684
n÷3
42738456
n÷3
32053842
n÷5
25643073.6
n2
16439180591375424
n3
2.1077555891417E+24
n4
2.7024665851585E+32
n5
3.4649774772381E+40
2 √n
11323.222509516
3 √n
504.25091436718
4 √n
106.41063156243
5 √n
41.839647471687
1 , 2 , 4 , 8 , 9 , 18 , 36 , 72 , 563 , 1126 , 2252 , 3163 , 4504 , 5067 , 6326 , 10134 , 12652 , 20268 , 25304 , 28467 , 40536 , 56934 , 113868 , 227736 , 1780769 , 3561538 , 7123076 , 14246152 , 16026921 , 32053842 , 64107684 , 128215368
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128215367
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128215368 can be divided by 32 positive divisors.
The sum of these divisors (counting 128215368) is 1, the average is 0.03125.
Base
System
Value
2
Binary
111101001000110100101001000
3
Ternary
22221021000102100
4
Quaternary
13221012211020
5
Quinary
230310342433
6
Senary
20420033400
8
Octal
751064510
10
Decimal
128215368
12
Duodecimal
36b32860
16
Hexadecimal
7a46948
20
Vigesimal
2016i88
36
Base36
24c3m0
md5
57d05e37b94e557f7244a84272880c4a
sha1
81160882393d62ff6f9ce722518f9d176f9eadd7
sha256
cd82ffeeda55c64e03008354ee4d8628d7e112a556f9d4bc87729815b8bb8d94
sha512
b5109054bfbe354cba1a72ec7baa78e1ea7a9737f36e57bb3d652fff850eb455e498bd9b9019b2b373bf3a40f58439b822f5fd330888e626b7bc316e33b1c2ed
ripemd-160
459b6d46a838e73351959e60c477aca9accb501c
Diameter
256430736
Circumference
805600916.37222
Area
5.1645208976901E+16
Volume
8.8289459658803E+24
Surface area
2.065808359076E+17
Circumference
805600916.37222
Perimeter
512861472
Area
16439180591375424
Diagonal
181323912.33026
Surface area
98635083548252544
Volume
2.1077555891417E+24
Space diagonal
222075531.68714
Perimeter
384646104
Area
7.1183740047656E+15
Altitude
111037765.84357
Surface area
7.1183740047656E+15
Volume
2.4840137836099E+23
Height
60441304.110086