218103681 is an odd 9-digits composite number following 218103680
and preceding 218103682 . In scientific notation, it is written as 2.18103681 × 10^8.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 145056240 positive integers (up to 218103681) that are relatively prime to 218103681.
218103681 has 8 divisors, whose sum is 291497344
The reverse of 218103681 is 186301812
Previous prime number is 421
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 30
Digital Root 3
Name
two hundred eighteen million one hundred three thousand six hundred eighty-one
Scientific notation
2.18103681 × 10^8
Engineering notation
2.18103681 × 10^6
Prime Factorization
3 × 421 × 172687
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
218103681
Product of the distinct prime numbers
The prime factorization of 218103681 is 3 × 421 × 172687.
Since it has a total of 3 prime factors.
8 , 4 , 20 , 25 , 97 , 610 , 3318 , 9880 , 38927 , 86736 , 787025 , 470055 , 703164 , 6707032 , 44817029 , 33621529 , 410748422 , 132405367 , 9255614287 , 8839701977
n×2
436207362
n×3
654311043
n×4
872414724
n×5
1090518405
n÷2
109051840.5
n÷3
72701227
n÷3
54525920.25
n÷5
43620736.2
n2
47569215665749761
n3
1.0375021038983E+25
n4
2.2628302790546E+33
n5
4.9353161334007E+41
2 √n
14768.333724561
3 √n
601.94156322131
4 √n
121.52503332466
5 √n
46.529951416431
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
-218103680
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 218103681 can be divided by 8 positive divisors.
The sum of these divisors (counting 218103681) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100111111111111111110000001
3
Ternary
120012101211000010
4
Quaternary
30333333332001
5
Quinary
421313304211
6
Senary
33350415133
8
Octal
1477777601
10
Decimal
218103681
12
Duodecimal
610614a9
16
Hexadecimal
cffff81
20
Vigesimal
3832j41
36
Base36
3lupvl
md5
068b03feba16493ca63c2d82e655bcdd
sha1
abfc884c03a63adee5303e83d549247069cc64f7
sha256
8d679b5590fb26817e6780014abeca470f9a86c2890a52ba4c4bd54e9c5cfd11
sha512
eb130b590dd20535fd0e65a6ec2ed6bf9e95b4dfc3361e528a899f41230ea7f66452efde8ef427038e7a30f35524f86273443729265365f84301789e0581c17c
ripemd-160
4fc4807976648ca26b288f80d831ea8359e26729
Diameter
436207362
Circumference
1370385843.901
Area
1.4944309847255E+17
Volume
4.3458786502544E+25
Surface area
5.9777239389019E+17
Circumference
1370385843.901
Perimeter
872414724
Area
47569215665749761
Diagonal
308445183.6737
Surface area
285415293994498566
Volume
1.0375021038983E+25
Space diagonal
377766656.80979
Perimeter
654311043
Area
2.059807460232E+16
Altitude
188883328.4049
Surface area
2.059807460232E+16
Volume
1.2227079552697E+24
Height
102815061.22457