221531509 is an odd 9-digits prime number following 221531508
and preceding 221531510 . In scientific notation, it is written as 2.21531509 × 10^8.
The sum of its digits is 28. It has a total of 1 prime factors and 2 positive divisors.
There are 221531508 positive integers (up to 221531509) that are relatively prime to 221531509.
221531509 has 2 divisors, whose sum is 221531510
The reverse of 221531509 is 905135122
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 28
Digital Root 1
Name
two hundred twenty-one million five hundred thirty-one thousand five hundred nine
Scientific notation
2.21531509 × 10^8
Engineering notation
2.21531509 × 10^6
Prime Factorization
221531509
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
221531509
Product of the distinct prime numbers
The prime factorization of 221531509 is 221531509.
Since it has a total of 1 prime factors.
7 , 10 , 87 , 40 , 974 , 590 , 8278 , 7153 , 15799 , 19077 , 179489 , 788782 , 2564389 , 2782482 , 88201208 , 35038656 , 548236717 , 258197871 , 8587967226 , 6628039109
n×2
443063018
n×3
664594527
n×4
886126036
n×5
1107657545
n÷2
110765754.5
n÷3
73843836.333333
n÷3
55382877.25
n÷5
44306301.8
n2
49076209479817081
n3
1.0871926742064E+25
n4
2.4084743369069E+33
n5
5.3355295424276E+41
2 √n
14883.934594051
3 √n
605.07865835199
4 √n
121.99973194254
5 √n
46.675298189
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
221531510
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
110765755
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
14883.934627645
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999909719
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 221531509 can be divided by 2 positive divisors.
The sum of these divisors (counting 221531509) is 221531510, the average is 110765755.
Base
System
Value
2
Binary
1101001101000100110101110101
3
Ternary
120102211222002201
4
Quaternary
31031010311311
5
Quinary
423203002014
6
Senary
33552104501
8
Octal
1515046565
10
Decimal
221531509
12
Duodecimal
62235131
16
Hexadecimal
d344d75
20
Vigesimal
394b8f9
36
Base36
3nw6t1
md5
87d389cf72c93cb94c0124c4857d6923
sha1
f8a86c2acda5704aceb91561b2004e819a8b964a
sha256
c1b5f36e251b186c49ca96c032ea932ed5e1bf7a374a150fecd858b9c023e53c
sha512
1b992de2aeba0721e49e35055fb4ad5e611c3244771325f054fdb62fd2bd46245a40d2a593400cc7617c076e9c37d6b1a3cb12aec3cb32e5c0b60764c67712a2
ripemd-160
e11a17cbd885162962744bc050bbcb0d42146ccf
Diameter
443063018
Circumference
1391923522.4261
Area
1.5417745916783E+17
Volume
4.5540220244313E+25
Surface area
6.1670983667131E+17
Circumference
1391923522.4261
Perimeter
886126036
Area
49076209479817081
Diagonal
313292864.52078
Surface area
294457256878902486
Volume
1.0871926742064E+25
Space diagonal
383703829.0654
Perimeter
664594527
Area
2.1250622065484E+16
Altitude
191851914.5327
Surface area
2.1250622065484E+16
Volume
1.2812688539795E+24
Height
104430954.84026