218408081 is an odd 9-digits prime number following 218408080
and preceding 218408082 . In scientific notation, it is written as 2.18408081 × 10^8.
The sum of its digits is 32. It has a total of 1 prime factors and 2 positive divisors.
There are 218408080 positive integers (up to 218408081) that are relatively prime to 218408081.
218408081 has 2 divisors, whose sum is 218408082
The reverse of 218408081 is 180804812
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 32
Digital Root 5
Name
two hundred eighteen million four hundred eight thousand eighty-one
Scientific notation
2.18408081 × 10^8
Engineering notation
2.18408081 × 10^6
Prime Factorization
218408081
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
218408081
Product of the distinct prime numbers
The prime factorization of 218408081 is 218408081.
Since it has a total of 1 prime factors.
7 , 6 , 78 , 20 , 356 , 386 , 2514 , 5909 , 27988 , 6022 , 280320 , 478915 , 1332845 , 60278 , 91954171 , 81120401 , 394742047 , 314240824 , 7116277833 , 2882860420
n×2
436816162
n×3
655224243
n×4
873632324
n×5
1092040405
n÷2
109204040.5
n÷3
72802693.666667
n÷3
54602020.25
n÷5
43681616.2
n2
47702089846102561
n3
1.0418521902977E+25
n4
2.2754893756856E+33
n5
4.9698526787939E+41
2 √n
14778.635965474
3 √n
602.22146960026
4 √n
121.56741325484
5 √n
46.542932230538
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
218408082
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
109204041
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
14778.635999307
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999908428
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 218408081 can be divided by 2 positive divisors.
The sum of these divisors (counting 218408081) is 218408082, the average is 109204041.
Base
System
Value
2
Binary
1101000001001010010010010001
3
Ternary
120012222021120012
4
Quaternary
31001022102101
5
Quinary
421403024311
6
Senary
33401124305
8
Octal
1501122221
10
Decimal
218408081
12
Duodecimal
61189695
16
Hexadecimal
d04a491
20
Vigesimal
3851041
36
Base36
3m18r5
md5
a3d827e3f7e4e02ea1b05e0bbf79d491
sha1
dbc7bdc447759d54e227460eb059375350f58fb6
sha256
2bbc4930643b704c7dbb10c4ae44564844285905c20eae4eadedf6ec38230ba5
sha512
80e3a37a75aba74a21725276dd0ad686ea5777ec49798df6861f1a049cfacf68018f88730fa096caa5cd3424daf0d3cc152b295a52529c456f3e16c1a3d587f9
ripemd-160
702ad777b2dfb41aa0cc9df1786bd7d1582bb482
Diameter
436816162
Circumference
1372298445.5085
Area
1.498605350214E+17
Volume
4.3641002495542E+25
Surface area
5.9944214008558E+17
Circumference
1372298445.5085
Perimeter
873632324
Area
47702089846102561
Diagonal
308875670.28208
Surface area
286212539076615366
Volume
1.0418521902977E+25
Space diagonal
378293893.07562
Perimeter
655224243
Area
2.0655610810166E+16
Altitude
189146946.53781
Surface area
2.0655610810166E+16
Volume
1.2278345812559E+24
Height
102958556.76069