218082021 is an odd 9-digits composite number following 218082020
and preceding 218082022 . In scientific notation, it is written as 2.18082021 × 10^8.
The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors.
There are 136105904 positive integers (up to 218082021) that are relatively prime to 218082021.
218082021 has 8 divisors, whose sum is 225953280
The reverse of 218082021 is 120280812
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 24
Digital Root 6
Name
two hundred eighteen million eighty-two thousand twenty-one
Scientific notation
2.18082021 × 10^8
Engineering notation
2.18082021 × 10^6
Prime Factorization
69 × 47 × 67247
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
218082021
Product of the distinct prime numbers
The prime factorization of 218082021 is 69 × 47 × 67247.
Since it has a total of 3 prime factors.
2 , 8 , 63 , 5 , 84 , 318 , 4458 , 2487 , 93232 , 34704 , 964451 , 649762 , 1707158 , 8469651 , 48622849 , 82181913 , 923956267 , 766765106 , 5252936451 , 3022364406
n×2
436164042
n×3
654246063
n×4
872328084
n×5
1090410105
n÷2
109041010.5
n÷3
72694007
n÷3
54520505.25
n÷5
43616404.2
n2
47559767883444441
n3
1.0371930298312E+25
n4
2.2619315211271E+33
n5
4.9328659749101E+41
2 √n
14767.600380563
3 √n
601.92163617587
4 √n
121.52201603233
5 √n
46.529027196554
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
-218082020
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 218082021 can be divided by 8 positive divisors.
The sum of these divisors (counting 218082021) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100111111111010101011100101
3
Ternary
120012100201021220
4
Quaternary
30333322223211
5
Quinary
421312111041
6
Senary
33350130553
8
Octal
1477725345
10
Decimal
218082021
12
Duodecimal
61050a59
16
Hexadecimal
cffaae5
20
Vigesimal
3830511
36
Base36
3lu95x
md5
ab3dfd365aa3761494f8dd028c9d71ed
sha1
531d180035002a20440ef3798f1218db2000f42d
sha256
9e67a5ef471f8a4b4c1a23ee32d67bc07588ba6f20e71cbf69469e7b4eb93790
sha512
28a784a8bd43a38a6df6cfc9c70f9cb64b59fb2f75dc9bf4c507695e5888bf275ed0e2d808572e3bad703dbcf57f5b600b792970e7f468fca6302c60745619a2
ripemd-160
40fa0d06412eb554f122052a627351a3f13b5ad4
Diameter
436164042
Circumference
1370249750.1072
Area
1.4941341738906E+17
Volume
4.3445840038298E+25
Surface area
5.9765366955626E+17
Circumference
1370249750.1072
Perimeter
872328084
Area
47559767883444441
Diagonal
308414551.80793
Surface area
285358607300666646
Volume
1.0371930298312E+25
Space diagonal
377729140.5893
Perimeter
654246063
Area
2.0593983592577E+16
Altitude
188864570.29465
Surface area
2.0593983592577E+16
Volume
1.2223437079885E+24
Height
102804850.60264