221409918 is an even 9-digits composite number following 221409917
and preceding 221409919 . In scientific notation, it is written as 2.21409918 × 10^8.
The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors.
There are 73568592 positive integers (up to 221409918) that are relatively prime to 221409918.
221409918 has 24 divisors, whose sum is 481247208
The reverse of 221409918 is 819904122
Previous prime number is 317
Is Prime? no
Number parity even
Number length 9
Sum of Digits 36
Digital Root 9
Name
two hundred twenty-one million four hundred nine thousand nine hundred eighteen
Scientific notation
2.21409918 × 10^8
Engineering notation
2.21409918 × 10^6
Prime Factorization
2 × 3 × 3 × 317 × 38803
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
73803306
Product of the distinct prime numbers
The prime factorization of 221409918 is 2 × 3 × 3 × 317 × 38803.
Since it has a total of 5 prime factors.
10 , 2 , 44 , 93 , 665 , 177 , 2427 , 5515 , 17207 , 76324 , 90552 , 237221 , 8588630 , 1408305 , 20584025 , 46616691 , 241279161 , 951715012 , 2855472185 , 3825208744
n×2
442819836
n×3
664229754
n×4
885639672
n×5
1107049590
n÷2
110704959
n÷3
73803306
n÷3
55352479.5
n÷5
44281983.6
n2
49022351788766724
n3
1.0854034889718E+25
n4
2.4031909749016E+33
n5
5.320903166913E+41
2 √n
14879.849394399
3 √n
604.96793582771
4 √n
121.98298813523
5 √n
46.67017337167
1 , 2 , 3 , 6 , 9 , 18 , 317 , 634 , 951 , 1902 , 2853 , 5706 , 38803 , 77606 , 116409 , 232818 , 349227 , 698454 , 12300551 , 24601102 , 36901653 , 73803306 , 110704959 , 221409918
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-221409917
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 221409918 can be divided by 24 positive divisors.
The sum of these divisors (counting 221409918) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1101001100100111001001111110
3
Ternary
120102121210022100
4
Quaternary
31030213021332
5
Quinary
423140104133
6
Senary
33545325530
8
Octal
1514471176
10
Decimal
221409918
12
Duodecimal
621968a6
16
Hexadecimal
d32727e
20
Vigesimal
393g4fi
36
Base36
3ntkzi
md5
88c09cf7b493b2a3aa10419764e2d616
sha1
5cfd08d583d7d07ff0863f05825647ef73b38d8b
sha256
737d41f2fe4b6363fa0119e3257b80027ee0c8eeb28920b72eead017d8f226de
sha512
e1428fc745f4970c017d49cfcf8d249d1b114924b6d9ad229a23ae7130c4c27995592e584f7549b59ac7b8163db9bb7baaaacb291e3fac4470a92034d62f2597
ripemd-160
ae7aab51fee4992b067acfa127b99fb4ec6b9012
Diameter
442819836
Circumference
1391159543.6414
Area
1.5400826024128E+17
Volume
4.546527502846E+25
Surface area
6.1603304096514E+17
Circumference
1391159543.6414
Perimeter
885639672
Area
49022351788766724
Diagonal
313120908.87951
Surface area
294134110732600344
Volume
1.0854034889718E+25
Space diagonal
383493227.27566
Perimeter
664229754
Area
2.1227301001165E+16
Altitude
191746613.63783
Surface area
2.1227301001165E+16
Volume
1.2791602789592E+24
Height
104373636.29317