221361818 is an even 9-digits composite number following 221361817
and preceding 221361819 . In scientific notation, it is written as 2.21361818 × 10^8.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 104855580 positive integers (up to 221361818) that are relatively prime to 221361818.
221361818 has 8 divisors, whose sum is 349518720
The reverse of 221361818 is 818163122
Previous prime number is 19
Is Prime? no
Number parity even
Number length 9
Sum of Digits 32
Digital Root 5
Name
two hundred twenty-one million three hundred sixty-one thousand eight hundred eighteen
Scientific notation
2.21361818 × 10^8
Engineering notation
2.21361818 × 10^6
Prime Factorization
2 × 19 × 5825311
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
221361818
Product of the distinct prime numbers
The prime factorization of 221361818 is 2 × 19 × 5825311.
Since it has a total of 3 prime factors.
10 , 4 , 50 , 42 , 321 , 638 , 174 , 6481 , 78406 , 34216 , 367111 , 646137 , 3220606 , 976695 , 67393689 , 17307904 , 647802569 , 629934763 , 7610058088 , 4181188315
n×2
442723636
n×3
664085454
n×4
885447272
n×5
1106809090
n÷2
110680909
n÷3
73787272.666667
n÷3
55340454.5
n÷5
44272363.6
n2
49001054468265124
n3
1.0846962501012E+25
n4
2.4011033390019E+33
n5
5.3151260032733E+41
2 √n
14878.233026808
3 √n
604.92412408187
4 √n
121.9763625741
5 √n
46.668145431408
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
-221361817
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 221361818 can be divided by 8 positive divisors.
The sum of these divisors (counting 221361818) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101001100011011011010011010
3
Ternary
120102112100022212
4
Quaternary
31030123122122
5
Quinary
423132034233
6
Senary
33544315122
8
Octal
1514333232
10
Decimal
221361818
12
Duodecimal
62172aa2
16
Hexadecimal
d31b69a
20
Vigesimal
393a4ai
36
Base36
3nsjve
md5
b7e455fc1fba475fc7ee27c54b0e5686
sha1
1c36517e60bc30b5bac1cb7525de1ff4647c19a6
sha256
1aa5d4eea2e195625cc904e85b451fa90c5ea81ccc9801f05493292b260fc293
sha512
3ba061e03e3984edb9737a2c31f53fc9d06acd0eaf7f775c4bc6346b3edddb2ae01b171172c16302ed8cad325454d970287fc4307d0acd0750136d2e50a8d85c
ripemd-160
2f32150cb7adaca62d2909b2c60a6a7cebbb18b0
Diameter
442723636
Circumference
1390857322.4282
Area
1.5394135273566E+17
Volume
4.5435650275925E+25
Surface area
6.1576541094262E+17
Circumference
1390857322.4282
Perimeter
885447272
Area
49001054468265124
Diagonal
313052885.20716
Surface area
294006326809590744
Volume
1.0846962501012E+25
Space diagonal
383409915.63181
Perimeter
664085454
Area
2.1218078990871E+16
Altitude
191704957.81591
Surface area
2.1218078990871E+16
Volume
1.278326789957E+24
Height
104350961.73572