221284145 is an odd 9-digits composite number following 221284144
and preceding 221284146 . In scientific notation, it is written as 2.21284145 × 10^8.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 177027312 positive integers (up to 221284145) that are relatively prime to 221284145.
221284145 has 4 divisors, whose sum is 265540980
The reverse of 221284145 is 541482122
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 29
Digital Root 2
Name
two hundred twenty-one million two hundred eighty-four thousand one hundred forty-five
Scientific notation
2.21284145 × 10^8
Engineering notation
2.21284145 × 10^6
Prime Factorization
5 × 44256829
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
221284145
Product of the distinct prime numbers
The prime factorization of 221284145 is 5 × 44256829.
Since it has a total of 2 prime factors.
3 , 7 , 80 , 66 , 57 , 197 , 4609 , 2586 , 8991 , 90486 , 393247 , 234713 , 5956516 , 5852959 , 89714947 , 30361844 , 451802037 , 907235868 , 3142131620 , 424963469
n×2
442568290
n×3
663852435
n×4
885136580
n×5
1106420725
n÷2
110642072.5
n÷3
73761381.666667
n÷3
55321036.25
n÷5
44256829
n2
48966672828381025
n3
1.0835548330323E+25
n4
2.3977350478817E+33
n5
5.3058075000704E+41
2 √n
14875.622507983
3 √n
604.85336245337
4 √n
121.96566118372
5 √n
46.664869921868
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
-221284144
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 221284145 can be divided by 4 positive divisors.
The sum of these divisors (counting 221284145) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101001100001000011100110001
3
Ternary
120102101101210002
4
Quaternary
31030020130301
5
Quinary
423122043040
6
Senary
33542515345
8
Octal
1514103461
10
Decimal
221284145
12
Duodecimal
62135b55
16
Hexadecimal
d308731
20
Vigesimal
3930a75
36
Base36
3nqvxt
md5
929a1af9de5c18227a9beddc61e1a771
sha1
96bcae4ee1cd8ba96e88186314a959abf3c8c6fb
sha256
7a33e2438a842edc19a36e5e0843a3026f4f205c56ff1a53231ba2fb2929bf90
sha512
5ce2568336e2519107652a8a8f1046be41ab7298f5dd84c384ba33621245783fd9eb617e85e32239978a868f5c84e1a4e5f31f11f01307ce3dea231a03a6ebaa
ripemd-160
83c9a94359fd144bacd4cd7635e50c633e20509a
Diameter
442568290
Circumference
1390369288.5758
Area
1.5383333962838E+17
Volume
4.5387838709547E+25
Surface area
6.1533335851351E+17
Circumference
1390369288.5758
Perimeter
885136580
Area
48966672828381025
Diagonal
312943038.99713
Surface area
293800036970286150
Volume
1.0835548330323E+25
Space diagonal
383275382.04944
Perimeter
663852435
Area
2.120319130409E+16
Altitude
191637691.02472
Surface area
2.120319130409E+16
Volume
1.276981617041E+24
Height
104314346.33238