221219985 is an odd 9-digits composite number following 221219984
and preceding 221219986 . In scientific notation, it is written as 2.21219985 × 10^8.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 101129088 positive integers (up to 221219985) that are relatively prime to 221219985.
221219985 has 8 divisors, whose sum is 278105256
The reverse of 221219985 is 589912122
Previous prime number is 21
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
two hundred twenty-one million two hundred nineteen thousand nine hundred eighty-five
Scientific notation
2.21219985 × 10^8
Engineering notation
2.21219985 × 10^6
Prime Factorization
5 × 21 × 2106857
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
221219985
Product of the distinct prime numbers
The prime factorization of 221219985 is 5 × 21 × 2106857.
Since it has a total of 3 prime factors.
10 , 8 , 54 , 100 , 119 , 334 , 5481 , 3057 , 22686 , 17224 , 728566 , 667016 , 9499328 , 1107126 , 3050740 , 91526109 , 670284430 , 938939644 , 924259312 , 203727484
n×2
442439970
n×3
663659955
n×4
884879940
n×5
1106099925
n÷2
110609992.5
n÷3
73739995
n÷3
55304996.25
n÷5
44243997
n2
48938281763400225
n3
1.0826125957625E+25
n4
2.394955421954E+33
n5
5.2981200252032E+41
2 √n
14873.465803235
3 √n
604.79489894409
4 √n
121.95681942079
5 √n
46.662163568592
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
-221219984
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 221219985 can be divided by 8 positive divisors.
The sum of these divisors (counting 221219985) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101001011111000110010010001
3
Ternary
120102021010202210
4
Quaternary
31023320302101
5
Quinary
423113014420
6
Senary
33541302333
8
Octal
1513706221
10
Decimal
221219985
12
Duodecimal
621049a9
16
Hexadecimal
d2f8c91
20
Vigesimal
392c9j5
36
Base36
3npifl
md5
e6814d22ed5a2bbc03939380ca4a39c6
sha1
0f6dfd545d01835e973704a166be6ba8eb35e589
sha256
3b2b40c70af00450a6e7f8d47a786586e73fd51f1b8602ca7f24eaf9cb6a4ac1
sha512
949e8f5c84ef24970daea1c7b41760cbd55b409e26ab92ef95caeeefc6f8c7fe659dadae1c7ee421c1a298bc0fdb3f3956c9cdb50d275ac98f60d65c65e6affc
ripemd-160
36c51e18d80e71dcb025fa0d3b5ef983b4c54ce0
Diameter
442439970
Circumference
1389966159.4065
Area
1.5374414646721E+17
Volume
4.5348370367084E+25
Surface area
6.1497658586882E+17
Circumference
1389966159.4065
Perimeter
884879940
Area
48938281763400225
Diagonal
312852303.05497
Surface area
293629690580401350
Volume
1.0826125957625E+25
Space diagonal
383164253.66962
Perimeter
663659955
Area
2.1190897612333E+16
Altitude
191582126.83481
Surface area
2.1190897612333E+16
Volume
1.2758711797694E+24
Height
104284101.01832