221539215 is an odd 9-digits composite number following 221539214
and preceding 221539216 . In scientific notation, it is written as 2.21539215 × 10^8.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 117964800 positive integers (up to 221539215) that are relatively prime to 221539215.
221539215 has 16 divisors, whose sum is 355031136
The reverse of 221539215 is 512935122
Previous prime number is 641
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 30
Digital Root 3
Name
two hundred twenty-one million five hundred thirty-nine thousand two hundred fifteen
Scientific notation
2.21539215 × 10^8
Engineering notation
2.21539215 × 10^6
Prime Factorization
3 × 5 × 641 × 23041
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
221539215
Product of the distinct prime numbers
The prime factorization of 221539215 is 3 × 5 × 641 × 23041.
Since it has a total of 4 prime factors.
7 , 5 , 37 , 63 , 343 , 823 , 4992 , 7529 , 82154 , 68981 , 249683 , 649254 , 188829 , 7339716 , 95300661 , 22239245 , 242715408 , 982555561 , 7927870099 , 2707508957
n×2
443078430
n×3
664617645
n×4
886156860
n×5
1107696075
n÷2
110769607.5
n÷3
73846405
n÷3
55384803.75
n÷5
44307843
n2
49079623782816225
n3
1.087306132534E+25
n4
2.4088094706628E+33
n5
5.336457592152E+41
2 √n
14884.193461522
3 √n
605.08567418177
4 √n
122.00079287251
5 √n
46.675622905646
1 , 3 , 5 , 15 , 641 , 1923 , 3205 , 9615 , 23041 , 69123 , 115205 , 345615 , 14769281 , 44307843 , 73846405 , 221539215
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
-221539214
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 221539215 can be divided by 16 positive divisors.
The sum of these divisors (counting 221539215) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101001101000110101110001111
3
Ternary
120102212100200010
4
Quaternary
31031012232033
5
Quinary
423203223330
6
Senary
33552204303
8
Octal
1515065617
10
Decimal
221539215
12
Duodecimal
62239693
16
Hexadecimal
d346b8f
20
Vigesimal
394c80f
36
Base36
3nwcr3
md5
4e72bfad7b738c6615e5c58b521d7239
sha1
2f20557036ae0d8da0d72701a56358ed8a3f489e
sha256
09f095e707bcee38df8328427db4590ded48520f9f0d28606b0ce4e9d5138ca0
sha512
f0ede7d3d2ee596fcb2047f9fd3171cbfd181b4d34281154278966aa9cd6eb0d05a7de0c7946a530e0fb8b570a32cb17ba737d63bec8216e5f45b35e215a378c
ripemd-160
00f37e98448f034f0f155a390d2bb35c0ff7d9aa
Diameter
443078430
Circumference
1391971940.6521
Area
1.5418818551705E+17
Volume
4.5544972775628E+25
Surface area
6.1675274206819E+17
Circumference
1391971940.6521
Perimeter
886156860
Area
49079623782816225
Diagonal
313303762.45049
Surface area
294477742696897350
Volume
1.087306132534E+25
Space diagonal
383717176.24893
Perimeter
664617645
Area
2.1252100502051E+16
Altitude
191858588.12446
Surface area
2.1252100502051E+16
Volume
1.2814025659009E+24
Height
104434587.4835