221555871 is an odd 9-digits composite number following 221555870
and preceding 221555872 . In scientific notation, it is written as 2.21555871 × 10^8.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 147703896 positive integers (up to 221555871) that are relatively prime to 221555871.
221555871 has 8 divisors, whose sum is 328230960
The reverse of 221555871 is 178555122
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 36
Digital Root 9
Name
two hundred twenty-one million five hundred fifty-five thousand eight hundred seventy-one
Scientific notation
2.21555871 × 10^8
Engineering notation
2.21555871 × 10^6
Prime Factorization
9 × 3 × 8205773
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
221555871
Product of the distinct prime numbers
The prime factorization of 221555871 is 9 × 3 × 8205773.
Since it has a total of 3 prime factors.
6 , 6 , 73 , 54 , 458 , 354 , 9026 , 3345 , 8435 , 96837 , 721369 , 690745 , 9265146 , 7942799 , 25627114 , 76787392 , 139318479 , 12047550 , 6222096803 , 8297539737
n×2
443111742
n×3
664667613
n×4
886223484
n×5
1107779355
n÷2
110777935.5
n÷3
73851957
n÷3
55388967.75
n÷5
44311174.2
n2
49087003974568641
n3
1.0875513920366E+25
n4
2.4095339591993E+33
n5
5.3384639503448E+41
2 √n
14884.752970742
3 √n
605.1008378695
4 √n
122.00308590663
5 √n
46.676324727936
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
-221555870
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 221555871 can be divided by 8 positive divisors.
The sum of these divisors (counting 221555871) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101001101001010110010011111
3
Ternary
120102220012112000
4
Quaternary
31031022302133
5
Quinary
423204241441
6
Senary
33552413343
8
Octal
1515126237
10
Decimal
221555871
12
Duodecimal
62247253
16
Hexadecimal
d34ac9f
20
Vigesimal
394e9db
36
Base36
3nwplr
md5
6c59effebb66f99dacc7ddf1f8019f39
sha1
50d1fad223ab0014b3a10b00f674df8a5eaf4367
sha256
eb9e066dc8b99be04cb2d56c1297de5e49fca292489d35d77fc642a90d1486b7
sha512
b82225f960dc12069d7a1d193697003014ceefbd2462f9828d3baeaaed01980ee8c5b51f150d6d7bae5edcbb2b0c5c09bfb6efd7ed6036520aa150a445ff8f63
ripemd-160
f9aea3976cca5a017a1a2411067ac73c3e2c8513
Diameter
443111742
Circumference
1392076593.3866
Area
1.5421137107324E+17
Volume
4.5555246181647E+25
Surface area
6.1684548429295E+17
Circumference
1392076593.3866
Perimeter
886223484
Area
49087003974568641
Diagonal
313327317.59158
Surface area
294522023847411846
Volume
1.0875513920366E+25
Space diagonal
383746025.28718
Perimeter
664667613
Area
2.1255296218822E+16
Altitude
191873012.64359
Surface area
2.1255296218822E+16
Volume
1.2816916069966E+24
Height
104442439.19719