218128515 is an odd 9-digits composite number following 218128514
and preceding 218128516 . In scientific notation, it is written as 2.18128515 × 10^8.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 105758400 positive integers (up to 218128515) that are relatively prime to 218128515.
218128515 has 8 divisors, whose sum is 291321168
The reverse of 218128515 is 515821812
Previous prime number is 605
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 33
Digital Root 6
Name
two hundred eighteen million one hundred twenty-eight thousand five hundred fifteen
Scientific notation
2.18128515 × 10^8
Engineering notation
2.18128515 × 10^6
Prime Factorization
3 × 605 × 120181
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
218128515
Product of the distinct prime numbers
The prime factorization of 218128515 is 3 × 605 × 120181.
Since it has a total of 3 prime factors.
9 , 5 , 39 , 80 , 131 , 308 , 8474 , 5164 , 83093 , 16288 , 614095 , 990762 , 9108350 , 4983571 , 23726171 , 20302010 , 775919355 , 1310054 , 6858287241 , 8709780126
n×2
436257030
n×3
654385545
n×4
872514060
n×5
1090642575
n÷2
109064257.5
n÷3
72709505
n÷3
54532128.75
n÷5
43625703
n2
47580049056105225
n3
1.0378565444235E+25
n4
2.2638610681814E+33
n5
4.9381265296872E+41
2 √n
14769.174486071
3 √n
601.96440870071
4 √n
121.52849248662
5 √n
46.53101097873
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-218128514
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 218128515 can be divided by 8 positive divisors.
The sum of these divisors (counting 218128515) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101000000000110000010000011
3
Ternary
120012110002001220
4
Quaternary
31000012002003
5
Quinary
421320103030
6
Senary
33351130123
8
Octal
1500060203
10
Decimal
218128515
12
Duodecimal
61073943
16
Hexadecimal
d006083
20
Vigesimal
383615f
36
Base36
3lv91f
md5
7cc40655fb7994beea6d903123ad582b
sha1
54448e031a1b91762c1c776e9f2491390469ac3c
sha256
79ed9b09f5158da63230085f5272bbe341a100ce9bcd1658abe91d214b8ffa80
sha512
e5ef6f879bcfa3efdff4cf58caecb8650d3b18f6a24f90f187508b6c3d6b5e4e4ec6dc37e88e6103112eb1365b3cc9d838ba6bd3a4c5f0be56feeae8ab2006d7
ripemd-160
e64c1c5b0a02898683d6ec5941b7334727f254d6
Diameter
436257030
Circumference
1370541880.5249
Area
1.494771325721E+17
Volume
4.3473633272548E+25
Surface area
5.9790853028841E+17
Circumference
1370541880.5249
Perimeter
872514060
Area
47580049056105225
Diagonal
308480304.2533
Surface area
285480294336631350
Volume
1.0378565444235E+25
Space diagonal
377809670.55955
Perimeter
654385545
Area
2.0602765597948E+16
Altitude
188904835.27977
Surface area
2.0602765597948E+16
Volume
1.2231256674345E+24
Height
102826768.08443