221520909 is an odd 9-digits composite number following 221520908
and preceding 221520910 . In scientific notation, it is written as 2.21520909 × 10^8.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 142099200 positive integers (up to 221520909) that are relatively prime to 221520909.
221520909 has 8 divisors, whose sum is 295471872
The reverse of 221520909 is 909025122
Previous prime number is 2993
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 30
Digital Root 3
Name
two hundred twenty-one million five hundred twenty thousand nine hundred nine
Scientific notation
2.21520909 × 10^8
Engineering notation
2.21520909 × 10^6
Prime Factorization
3 × 2993 × 24671
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
221520909
Product of the distinct prime numbers
The prime factorization of 221520909 is 3 × 2993 × 24671.
Since it has a total of 3 prime factors.
5 , 8 , 26 , 6 , 291 , 81 , 5982 , 2346 , 66983 , 82180 , 902577 , 545785 , 1229043 , 1882041 , 84249262 , 26140222 , 49798335 , 23642748 , 6300964968 , 766436584
n×2
443041818
n×3
664562727
n×4
886083636
n×5
1107604545
n÷2
110760454.5
n÷3
73840303
n÷3
55380227.25
n÷5
44304181.8
n2
49071513124186281
n3
1.0870366193275E+25
n4
2.4080134002972E+33
n5
5.3342531731801E+41
2 √n
14883.578501154
3 √n
605.06900745085
4 √n
121.99827253348
5 √n
46.67485150976
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-221520908
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 221520909 can be divided by 8 positive divisors.
The sum of these divisors (counting 221520909) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101001101000010010000001101
3
Ternary
120102211102120010
4
Quaternary
31031002100031
5
Quinary
423202132114
6
Senary
33551543433
8
Octal
1515022015
10
Decimal
221520909
12
Duodecimal
6222ab79
16
Hexadecimal
d34240d
20
Vigesimal
394a259
36
Base36
3nvyml
md5
faa23b7e0f8ad0c9bee27035dc2607e7
sha1
cf9707a0af20abf0e60fcb2b9c6f9653cf167297
sha256
282353ff101e11a7880ee5d308e7528857f4140462576e3591009d5094211cfa
sha512
4cbb5da6242fb7ee90987036e4c383a785bf622ab7e1b18a846d9ea6154509b45db89cd766fd04959e083201121bcc246a3f81fb39cdb11334860cf605b185fc
ripemd-160
7847fcc4418619e720294ffaf9ba331f2809756f
Diameter
443041818
Circumference
1391856920.6619
Area
1.5416270513148E+17
Volume
4.5533683432832E+25
Surface area
6.1665082052591E+17
Circumference
1391856920.6619
Perimeter
886083636
Area
49071513124186281
Diagonal
313277873.85702
Surface area
294429078745117686
Volume
1.0870366193275E+25
Space diagonal
383685469.32684
Perimeter
664562727
Area
2.1248588483843E+16
Altitude
191842734.66342
Surface area
2.1248588483843E+16
Volume
1.281084941541E+24
Height
104425957.95234