218431085 is an odd 9-digits composite number following 218431084
and preceding 218431086 . In scientific notation, it is written as 2.18431085 × 10^8.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 174744864 positive integers (up to 218431085) that are relatively prime to 218431085.
218431085 has 4 divisors, whose sum is 262117308
The reverse of 218431085 is 580134812
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 32
Digital Root 5
Name
two hundred eighteen million four hundred thirty-one thousand eighty-five
Scientific notation
2.18431085 × 10^8
Engineering notation
2.18431085 × 10^6
Prime Factorization
5 × 43686217
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
218431085
Product of the distinct prime numbers
The prime factorization of 218431085 is 5 × 43686217.
Since it has a total of 2 prime factors.
7 , 4 , 21 , 58 , 135 , 325 , 7364 , 7544 , 96041 , 83087 , 886384 , 313602 , 631885 , 9449409 , 80974250 , 11026181 , 43151929 , 182139624 , 5762810238 , 9231142587
n×2
436862170
n×3
655293255
n×4
873724340
n×5
1092155425
n÷2
109215542.5
n÷3
72810361.666667
n÷3
54607771.25
n÷5
43686217
n2
47712138894277225
n3
1.0421814266348E+25
n4
2.2764481978668E+33
n5
4.9724704980634E+41
2 √n
14779.414230611
3 √n
602.2426120053
4 √n
121.57061417387
5 √n
46.543912623299
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
-218431084
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 218431085 can be divided by 4 positive divisors.
The sum of these divisors (counting 218431085) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101000001001111111001101101
3
Ternary
120020000110010012
4
Quaternary
31001033321231
5
Quinary
421404243320
6
Senary
33401423005
8
Octal
1501177155
10
Decimal
218431085
12
Duodecimal
6119aa65
16
Hexadecimal
d04fe6d
20
Vigesimal
3853he5
36
Base36
3m1qi5
md5
a2273569a0d363aadbbb37ed436570f0
sha1
be51577dafecd0826c969703aa9e18ad94545e03
sha256
e0a8117584868f197c07133ec5c1f99bb0648da4b8afd770d54090d4bdefd2b2
sha512
2b099c70f1e1825bcb7b3e2242a61a145bea12e2f8bbdb5ad5aa0b33d0e29d9c3a06a8f377f134d82c16780388d357ebb775e4a15364b51f9fb133ea3c56902e
ripemd-160
e98281652be1aafe8a28aebd1735857aadd95617
Diameter
436862170
Circumference
1372442983.9033
Area
1.4989210503732E+17
Volume
4.365479351498E+25
Surface area
5.9956842014927E+17
Circumference
1372442983.9033
Perimeter
873724340
Area
47712138894277225
Diagonal
308908202.85087
Surface area
286272833365663350
Volume
1.0421814266348E+25
Space diagonal
378333737.1724
Perimeter
655293255
Area
2.0659962175668E+16
Altitude
189166868.5862
Surface area
2.0659962175668E+16
Volume
1.2282225900002E+24
Height
102969400.95029