221781452 is an even 9-digits composite number following 221781451
and preceding 221781453 . In scientific notation, it is written as 2.21781452 × 10^8.
The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors.
There are 105054336 positive integers (up to 221781452) that are relatively prime to 221781452.
221781452 has 12 divisors, whose sum is 408544920
The reverse of 221781452 is 254187122
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 seven hundred eighty-one thousand four hundred fifty-two
Scientific notation
2.21781452 × 10^8
Engineering notation
2.21781452 × 10^6
Prime Factorization
2 × 2 × 19 × 2918177
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
110890726
Product of the distinct prime numbers
The prime factorization of 221781452 is 2 × 2 × 19 × 2918177.
Since it has a total of 4 prime factors.
4 , 8 , 98 , 55 , 631 , 35 , 8021 , 8337 , 39251 , 45073 , 183486 , 443019 , 2908254 , 9773350 , 42899169 , 85414743 , 404278903 , 236307964 , 2573052587 , 529762466
n×2
443562904
n×3
665344356
n×4
887125808
n×5
1108907260
n÷2
110890726
n÷3
73927150.666667
n÷3
55445363
n÷5
44356290.4
n2
49187012451228304
n3
1.0908767040975E+25
n4
2.4193621938773E+33
n5
5.3656966027201E+41
2 √n
14892.328629197
3 √n
605.30613289104
4 √n
122.03412895251
5 √n
46.685825723189
1 , 2 , 4 , 19 , 38 , 76 , 2918177 , 5836354 , 11672708 , 55445363 , 110890726 , 221781452
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
-221781451
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 221781452 can be divided by 12 positive divisors.
The sum of these divisors (counting 221781452) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101001110000001110111001100
3
Ternary
120110022122221212
4
Quaternary
31032001313030
5
Quinary
423234001302
6
Senary
34001313552
8
Octal
1516016714
10
Decimal
221781452
12
Duodecimal
623358b8
16
Hexadecimal
d381dcc
20
Vigesimal
3962dcc
36
Base36
3o1jnw
md5
060168cc90a839855bc1068375049639
sha1
eeeb767221b0ae6c9ff82dea104d34fe0c603584
sha256
3d765f1cdf23714803ea7eb220624a3de54e135db58877ace7b95347f5d30885
sha512
13bccd44f5671b6a4f3482e8bfe0ba8b8e2e901df2c168090c9cf100013500146ae58738f7dcd728f650074033d9cf36cd254084229939ca75ac939e3142613b
ripemd-160
1bc9a3148224b9b3c261b16d69caba54a91732a1
Diameter
443562904
Circumference
1393493960.6114
Area
1.5452555696881E+17
Volume
4.5694536527535E+25
Surface area
6.1810222787523E+17
Circumference
1393493960.6114
Perimeter
887125808
Area
49187012451228304
Diagonal
313646337.3012
Surface area
295122074707369824
Volume
1.0908767040975E+25
Space diagonal
384136743.0404
Perimeter
665344356
Area
2.1298601159513E+16
Altitude
192068371.5202
Surface area
2.1298601159513E+16
Volume
1.285610524843E+24
Height
104548779.1004