221539081 is an odd 9-digits prime number following 221539080
and preceding 221539082 . In scientific notation, it is written as 2.21539081 × 10^8.
The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors.
There are 221539080 positive integers (up to 221539081) that are relatively prime to 221539081.
221539081 has 2 divisors, whose sum is 221539082
The reverse of 221539081 is 180935122
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 31
Digital Root 4
Name
two hundred twenty-one million five hundred thirty-nine thousand eighty-one
Scientific notation
2.21539081 × 10^8
Engineering notation
2.21539081 × 10^6
Prime Factorization
221539081
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
221539081
Product of the distinct prime numbers
The prime factorization of 221539081 is 221539081.
Since it has a total of 1 prime factors.
4 , 3 , 97 , 44 , 462 , 378 , 605 , 20 , 18842 , 79530 , 11768 , 607913 , 2037199 , 7720892 , 96532046 , 6272300 , 683369413 , 761652424 , 8693920608 , 9165012229
n×2
443078162
n×3
664617243
n×4
886156324
n×5
1107695405
n÷2
110769540.5
n÷3
73846360.333333
n÷3
55384770.25
n÷5
44307816.2
n2
49079564410324561
n3
1.0873041595344E+25
n4
2.4088036427072E+33
n5
5.336441453148E+41
2 √n
14884.188960101
3 √n
605.08555218457
4 √n
122.00077442419
5 √n
46.67561725921
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
221539082
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
110769541
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
14884.188993694
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999909722
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 221539081 can be divided by 2 positive divisors.
The sum of these divisors (counting 221539081) is 221539082, the average is 110769541.
Base
System
Value
2
Binary
1101001101000110101100001001
3
Ternary
120102212100111011
4
Quaternary
31031012230021
5
Quinary
423203222311
6
Senary
33552203521
8
Octal
1515065411
10
Decimal
221539081
12
Duodecimal
622395a1
16
Hexadecimal
d346b09
20
Vigesimal
394c7e1
36
Base36
3nwcnd
md5
2af3c9a4c852baa81d94791cf94a2cbe
sha1
38b4eb5dac487b30fca8f46cc931e1dc89fb9d55
sha256
77b9977c0ec99e86c962ed08783a51dff4951f65d7bf335407b8908d2a2eed1b
sha512
c3da9b473834ef5dfa92d9c10d8c57ed0928ad3ade4e82c19b93f89849c4e694a3c458c7020cf9b797409a8abc9237e9a282d9f099deadf19a56560613185c3e
ripemd-160
4520b53fcfaef51b5ce2fd302719d637cdb0ead7
Diameter
443078162
Circumference
1391971098.7053
Area
1.5418799899286E+17
Volume
4.554489013081E+25
Surface area
6.1675199597145E+17
Circumference
1391971098.7053
Perimeter
886156324
Area
49079564410324561
Diagonal
313303572.94587
Surface area
294477386461947366
Volume
1.0873041595344E+25
Space diagonal
383716944.15412
Perimeter
664617243
Area
2.1252074793008E+16
Altitude
191858472.07706
Surface area
2.1252074793008E+16
Volume
1.2814002406985E+24
Height
104434524.31529