221424281 is an odd 9-digits composite number following 221424280
and preceding 221424282 . In scientific notation, it is written as 2.21424281 × 10^8.
The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors.
There are 200311488 positive integers (up to 221424281) that are relatively prime to 221424281.
221424281 has 16 divisors, whose sum is 243264000
The reverse of 221424281 is 182424122
Previous prime number is 149
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 26
Digital Root 8
Name
two hundred twenty-one million four hundred twenty-four thousand two hundred eighty-one
Scientific notation
2.21424281 × 10^8
Engineering notation
2.21424281 × 10^6
Prime Factorization
13 × 79 × 149 × 1447
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
221424281
Product of the distinct prime numbers
The prime factorization of 221424281 is 13 × 79 × 149 × 1447.
Since it has a total of 4 prime factors.
10 , 3 , 35 , 96 , 950 , 926 , 5723 , 114 , 99540 , 44226 , 695604 , 328951 , 6902908 , 3401032 , 63318010 , 39663945 , 568898276 , 321044317 , 8026644696 , 6059439566
n×2
442848562
n×3
664272843
n×4
885697124
n×5
1107121405
n÷2
110712140.5
n÷3
73808093.666667
n÷3
55356070.25
n÷5
44284856.2
n2
49028712216366961
n3
1.0856147350865E+25
n4
2.4038146215953E+33
n5
5.3226292424403E+41
2 √n
14880.332019145
3 √n
604.98101709443
4 √n
121.98496636531
5 √n
46.670778860632
1 , 13 , 79 , 149 , 1027 , 1447 , 1937 , 11771 , 18811 , 114313 , 153023 , 215603 , 1486069 , 2802839 , 17032637 , 221424281
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-221424280
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 221424281 can be divided by 16 positive divisors.
The sum of these divisors (counting 221424281) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101001100101010101010011001
3
Ternary
120102122112000022
4
Quaternary
31030222222121
5
Quinary
423141034111
6
Senary
33545520225
8
Octal
1514525231
10
Decimal
221424281
12
Duodecimal
621a3075
16
Hexadecimal
d32aa99
20
Vigesimal
393i0e1
36
Base36
3ntw2h
md5
0f941587645574846533ec35dc5e8d1e
sha1
00a9f19f4af6247a871aa7d0ef78cc2d164eaec3
sha256
3dd62965f22137c3727f7a1919d3d0f55bcd298415a5e131b91e8f74678a6c63
sha512
0ab12646918c682dd11d253f82a1465ed3599f25886298973215bbd582df1176d1769251f9de16ef9b2deaed8b46c06669d7662bff492307385c4751bf453b53
ripemd-160
a77bd678fa959432331f656e750b72481acdadf3
Diameter
442848562
Circumference
1391249789.032
Area
1.5402824211391E+17
Volume
4.5474123685021E+25
Surface area
6.1611296845563E+17
Circumference
1391249789.032
Perimeter
885697124
Area
49028712216366961
Diagonal
313141221.22891
Surface area
294172273298201766
Volume
1.0856147350865E+25
Space diagonal
383518104.72141
Perimeter
664272843
Area
2.1230055147105E+16
Altitude
191759052.3607
Surface area
2.1230055147105E+16
Volume
1.2794092348928E+24
Height
104380407.0763