221438747 is an odd 9-digits composite number following 221438746
and preceding 221438748 . In scientific notation, it is written as 2.21438747 × 10^8.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 213436512 positive integers (up to 221438747) that are relatively prime to 221438747.
221438747 has 4 divisors, whose sum is 221498640
The reverse of 221438747 is 747834122
Previous prime number is 3959
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
two hundred twenty-one million four hundred thirty-eight thousand seven hundred forty-seven
Scientific notation
2.21438747 × 10^8
Engineering notation
2.21438747 × 10^6
Prime Factorization
3959 × 55933
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
221438747
Product of the distinct prime numbers
The prime factorization of 221438747 is 3959 × 55933.
Since it has a total of 2 prime factors.
2 , 3 , 78 , 99 , 119 , 758 , 6984 , 1504 , 83207 , 63845 , 904193 , 229802 , 5722646 , 9843453 , 20708268 , 36547807 , 217060234 , 305925605 , 5494635809 , 7876160784
n×2
442877494
n×3
664316241
n×4
885754988
n×5
1107193735
n÷2
110719373.5
n÷3
73812915.666667
n÷3
55359686.75
n÷5
44287749.4
n2
49035118672930009
n3
1.085827523793E+25
n4
2.4044428632683E+33
n5
5.3243681487523E+41
2 √n
14880.81808907
3 √n
604.99419159781
4 √n
121.9869586844
5 √n
46.67138865992
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-221438746
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 221438747 can be divided by 4 positive divisors.
The sum of these divisors (counting 221438747) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101001100101110001100011011
3
Ternary
120102200020212002
4
Quaternary
31030232030123
5
Quinary
423142014442
6
Senary
33550111215
8
Octal
1514561433
10
Decimal
221438747
12
Duodecimal
621ab50b
16
Hexadecimal
d32e31b
20
Vigesimal
393jgh7
36
Base36
3nu78b
md5
bcbafb92fcbd9a230446439ebe537904
sha1
3e82c9a5173b10c2b7728fac887bf14444962f2e
sha256
6562486e345be3a87b1e843d3d7e99ae45df437365e27a084a23100e8e8a1718
sha512
96f272866b81205090ecae0b148ff8fcd4f5f41b79a0eaa322227614e60f0a3a12241372b3b702ae269b2a1e7bc3ac696bf812e47ba74857ee1d1d10e7d7b08c
ripemd-160
363b00e24e7a38a5e0e13417b3091b7a8696bb7e
Diameter
442877494
Circumference
1391340681.5907
Area
1.5404836859078E+17
Volume
4.5483036957515E+25
Surface area
6.1619347436312E+17
Circumference
1391340681.5907
Perimeter
885754988
Area
49035118672930009
Diagonal
313161679.2423
Surface area
294210712037580054
Volume
1.085827523793E+25
Space diagonal
383543160.56839
Perimeter
664316241
Area
2.1232829224171E+16
Altitude
191771580.2842
Surface area
2.1232829224171E+16
Volume
1.2796600087884E+24
Height
104387226.4141