221821900 is an even 9-digits composite number following 221821899
and preceding 221821901 . In scientific notation, it is written as 2.21821900 × 10^8.
The sum of its digits is 25. It has a total of 5 prime factors and 18 positive divisors.
There are 88728720 positive integers (up to 221821900) that are relatively prime to 221821900.
221821900 has 18 divisors, whose sum is 481353740
The reverse of 221821900 is 009128122
Previous prime number is 5
Is Prime? no
Number parity even
Number length 9
Sum of Digits 25
Digital Root 7
Name
two hundred twenty-one million eight hundred twenty-one thousand nine hundred
Scientific notation
2.21821900 × 10^8
Engineering notation
2.21821900 × 10^6
Prime Factorization
2 × 2 × 5 × 5 × 2218219
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
22182190
Product of the distinct prime numbers
The prime factorization of 221821900 is 2 × 2 × 5 × 5 × 2218219.
Since it has a total of 5 prime factors.
2 , 6 , 67 , 52 , 555 , 162 , 112 , 8920 , 97988 , 54328 , 377618 , 828576 , 67536 , 2532974 , 75044116 , 9137051 , 932162308 , 101007628 , 6032408040 , 7179572312
n×2
443643800
n×3
665465700
n×4
887287600
n×5
1109109500
n÷2
110910950
n÷3
73940633.333333
n÷3
55455475
n÷5
44364380
n2
49204955319610000
n3
1.0914736678411E+25
n4
2.4211276280048E+33
n5
5.3705913058652E+41
2 √n
14893.686581904
3 √n
605.34292877573
4 √n
122.03969264917
5 √n
46.687528490052
1 , 2 , 4 , 5 , 10 , 20 , 25 , 50 , 100 , 2218219 , 4436438 , 8872876 , 11091095 , 22182190 , 44364380 , 55455475 , 110910950 , 221821900
18 divisors
τ
Total Divisors
18
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-221821899
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.055555555555556
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
18
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 221821900 can be divided by 18 positive divisors.
The sum of these divisors (counting 221821900) is 1, the average is 0.055555555555556.
Base
System
Value
2
Binary
1101001110001011101111001100
3
Ternary
120110101201102221
4
Quaternary
31032023233030
5
Quinary
423241300100
6
Senary
34002225124
8
Octal
1516135714
10
Decimal
221821900
12
Duodecimal
623551a4
16
Hexadecimal
d38bbcc
20
Vigesimal
3967ef0
36
Base36
3o2evg
md5
683ea1437524ec48100fb997994d6f1e
sha1
ad859d7a1f1a2655a062eba5173408c24281c609
sha256
171c5f841b810d74cd55d7b45fcc919d88ea4caf21c14ae72389ac18f3a997e5
sha512
decd9ff9cf33f3e7f93179b057a3e0ad3eb9202ecbf4a2894123f8ba6f7b7a04423cd4bef66996ba0da6c2161f544f09a5381db850063b486729e26f385e2774
ripemd-160
afb706ca685d5e36ae878ba57d9cd619e8118166
Diameter
443643800
Circumference
1393748102.8907
Area
1.545819261523E+17
Volume
4.5719542086351E+25
Surface area
6.183277046092E+17
Circumference
1393748102.8907
Perimeter
887287600
Area
49204955319610000
Diagonal
313703539.41137
Surface area
295229731917660000
Volume
1.0914736678411E+25
Space diagonal
384206801.03146
Perimeter
665465700
Area
2.130637064943E+16
Altitude
192103400.51573
Surface area
2.130637064943E+16
Volume
1.2863140533617E+24
Height
104567846.47046