221821836 is an even 9-digits composite number following 221821835
and preceding 221821837 . In scientific notation, it is written as 2.21821836 × 10^8.
The sum of its digits is 33. It has a total of 4 prime factors and 12 positive divisors.
There are 73940608 positive integers (up to 221821836) that are relatively prime to 221821836.
221821836 has 12 divisors, whose sum is 517584312
The reverse of 221821836 is 638128122
Previous prime number is 3
Is Prime? no
Number parity even
Number length 9
Sum of Digits 33
Digital Root 6
Name
two hundred twenty-one million eight hundred twenty-one thousand eight hundred thirty-six
Scientific notation
2.21821836 × 10^8
Engineering notation
2.21821836 × 10^6
Prime Factorization
2 × 2 × 3 × 18485153
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
110910918
Product of the distinct prime numbers
The prime factorization of 221821836 is 2 × 2 × 3 × 18485153.
Since it has a total of 4 prime factors.
5 , 1 , 5 , 23 , 973 , 411 , 3300 , 9175 , 87294 , 71508 , 964581 , 675877 , 6682509 , 5580946 , 72081574 , 52595404 , 704970378 , 554805169 , 9117502052 , 9553769978
n×2
443643672
n×3
665465508
n×4
887287344
n×5
1109109180
n÷2
110910918
n÷3
73940612
n÷3
55455459
n÷5
44364367.2
n2
49204926926410896
n3
1.0914727231062E+25
n4
2.4211248338334E+33
n5
5.3705835582613E+41
2 √n
14893.684433343
3 √n
605.34287055792
4 √n
122.03968384646
5 √n
46.687525795997
1 , 2 , 3 , 4 , 6 , 12 , 18485153 , 36970306 , 55455459 , 73940612 , 110910918 , 221821836
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-221821835
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 221821836 can be divided by 12 positive divisors.
The sum of these divisors (counting 221821836) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101001110001011101110001100
3
Ternary
120110101201100120
4
Quaternary
31032023232030
5
Quinary
423241244321
6
Senary
34002224540
8
Octal
1516135614
10
Decimal
221821836
12
Duodecimal
62355150
16
Hexadecimal
d38bb8c
20
Vigesimal
3967ebg
36
Base36
3o2eto
md5
98b25f8ff03ceefb98495fc82f2d61fd
sha1
449f6f4fce8e8ba84d191b2faa996e296d1190b7
sha256
f0ab56f0ba85894d09b16bddf4a3bcf1ffb4e3efe15af123e81366d2968e23af
sha512
54edec6905f84daa7ccb6a2c0f24578042d111c33f330e46b9183f9118a54e3505f40c28aa5970bd89bb02e42e3dcbac6f81143b8357dfbef03ef390a860b8bb
ripemd-160
3ed9c4d9cac6ce1dc37ab9270650a5aa908f584a
Diameter
443643672
Circumference
1393747700.7668
Area
1.5458183695244E+17
Volume
4.5719502513389E+25
Surface area
6.1832734780974E+17
Circumference
1393747700.7668
Perimeter
887287344
Area
49204926926410896
Diagonal
313703448.9017
Surface area
295229561558465376
Volume
1.0914727231062E+25
Space diagonal
384206690.18021
Perimeter
665465508
Area
2.1306358354814E+16
Altitude
192103345.09011
Surface area
2.1306358354814E+16
Volume
1.2863129399809E+24
Height
104567816.30057