221539221 is an odd 9-digits composite number following 221539220
and preceding 221539222 . In scientific notation, it is written as 2.21539221 × 10^8.
The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors.
There are 139919400 positive integers (up to 221539221) that are relatively prime to 221539221.
221539221 has 12 divisors, whose sum is 336843520
The reverse of 221539221 is 122935122
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 27
Digital Root 9
Name
two hundred twenty-one million five hundred thirty-nine thousand two hundred twenty-one
Scientific notation
2.21539221 × 10^8
Engineering notation
2.21539221 × 10^6
Prime Factorization
3 × 3 × 19 × 1295551
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
73846407
Product of the distinct prime numbers
The prime factorization of 221539221 is 3 × 3 × 19 × 1295551.
Since it has a total of 4 prime factors.
4 , 1 , 67 , 55 , 478 , 244 , 2706 , 6448 , 88911 , 64254 , 50224 , 241531 , 133844 , 5939627 , 37488067 , 70696687 , 665286012 , 362658997 , 9138153553 , 2591723891
n×2
443078442
n×3
664617663
n×4
886156884
n×5
1107696105
n÷2
110769610.5
n÷3
73846407
n÷3
55384805.25
n÷5
44307844.2
n2
49079626441286841
n3
1.0873062208774E+25
n4
2.4088097316163E+33
n5
5.3364583147949E+41
2 √n
14884.193663078
3 √n
605.08567964433
4 √n
122.00079369856
5 √n
46.675623158471
1 , 3 , 9 , 19 , 57 , 171 , 1295551 , 3886653 , 11659959 , 24615469 , 73846407 , 221539221
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-221539220
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 221539221 can be divided by 12 positive divisors.
The sum of these divisors (counting 221539221) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101001101000110101110010101
3
Ternary
120102212100200100
4
Quaternary
31031012232111
5
Quinary
423203223341
6
Senary
33552204313
8
Octal
1515065625
10
Decimal
221539221
12
Duodecimal
62239699
16
Hexadecimal
d346b95
20
Vigesimal
394c811
36
Base36
3nwcr9
md5
b1251e637f496b413c849505601425bc
sha1
5723405c5c0aa485c5ba0a4cf940ab1237a83ae2
sha256
3ac79b83df245e5c1f99ae51af80275a9c65e9df574d0847814d810572f734d6
sha512
070a056734eba703e48ce7e05a1c5ec6a104629cd111d926a13256b308609ba62bb0963c6645962cd3c9cf32445696e5735230372cee7ebbd56456c0d234918e
ripemd-160
d2820eba8a9dd9fdc1dbfb6597a72ddef77b2c61
Diameter
443078442
Circumference
1391971978.3512
Area
1.5418819386888E+17
Volume
4.5544976476144E+25
Surface area
6.1675277547551E+17
Circumference
1391971978.3512
Perimeter
886156884
Area
49079626441286841
Diagonal
313303770.93577
Surface area
294477758647721046
Volume
1.0873062208774E+25
Space diagonal
383717186.64123
Perimeter
664617663
Area
2.1252101653202E+16
Altitude
191858593.32061
Surface area
2.1252101653202E+16
Volume
1.2814026700145E+24
Height
104434590.31192