218528081 is an odd 9-digits composite number following 218528080
and preceding 218528082 . In scientific notation, it is written as 2.18528081 × 10^8.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 205673472 positive integers (up to 218528081) that are relatively prime to 218528081.
218528081 has 4 divisors, whose sum is 231382692
The reverse of 218528081 is 180825812
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 35
Digital Root 8
Name
two hundred eighteen million five hundred twenty-eight thousand eighty-one
Scientific notation
2.18528081 × 10^8
Engineering notation
2.18528081 × 10^6
Prime Factorization
17 × 12854593
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
218528081
Product of the distinct prime numbers
The prime factorization of 218528081 is 17 × 12854593.
Since it has a total of 2 prime factors.
4 , 4 , 2 , 30 , 170 , 845 , 5921 , 7434 , 74850 , 87493 , 45399 , 649308 , 6981617 , 4484275 , 83735029 , 57404237 , 105711574 , 643639264 , 4756819778 , 9762132562
n×2
437056162
n×3
655584243
n×4
874112324
n×5
1092640405
n÷2
109264040.5
n÷3
72842693.666667
n÷3
54632020.25
n÷5
43705616.2
n2
47754522185542561
n3
1.0435704092279E+25
n4
2.2804943891695E+33
n5
4.9835206259647E+41
2 √n
14782.695322572
3 √n
602.33174229852
4 √n
121.58410801816
5 √n
46.548045525601
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-218528080
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 218528081 can be divided by 4 positive divisors.
The sum of these divisors (counting 218528081) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101000001100111100101010001
3
Ternary
120020012101011122
4
Quaternary
31001213211101
5
Quinary
421420344311
6
Senary
33403452025
8
Octal
1501474521
10
Decimal
218528081
12
Duodecimal
61227015
16
Hexadecimal
d067951
20
Vigesimal
385g041
36
Base36
3m3tch
md5
83c1815e82baee5c9db4da1d870d4b5b
sha1
e6c3b48f42f54ebb333328739a1d1a610a3fbcad
sha256
b70e1884ab6ea9c0551ad5b1942db2d60c4706aec555d6951343e09c05298f7e
sha512
79f88642f2f3204e7b7a8a29ce5e2663330f5444e46dbf1ac335f8ddbcaff75781dc4027ee24cadfcfd88aedbc395cb1b8be1be64821c84c9a09f1f11cb64fdc
ripemd-160
1862bff19f754f4205d947a61f47dd63c6a84505
Diameter
437056162
Circumference
1373052427.7454
Area
1.5002525607379E+17
Volume
4.3712975081786E+25
Surface area
6.0010102429517E+17
Circumference
1373052427.7454
Perimeter
874112324
Area
47754522185542561
Diagonal
309045375.90957
Surface area
286527133113255366
Volume
1.0435704092279E+25
Space diagonal
378501739.17253
Perimeter
655584243
Area
2.0678314679134E+16
Altitude
189250869.58626
Surface area
2.0678314679134E+16
Volume
1.2298595216844E+24
Height
103015125.30319