221271805 is an odd 9-digits composite number following 221271804
and preceding 221271806 . In scientific notation, it is written as 2.21271805 × 10^8.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 176593296 positive integers (up to 221271805) that are relatively prime to 221271805.
221271805 has 8 divisors, whose sum is 266162400
The reverse of 221271805 is 508172122
Previous prime number is 419
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 28
Digital Root 1
Name
two hundred twenty-one million two hundred seventy-one thousand eight hundred five
Scientific notation
2.21271805 × 10^8
Engineering notation
2.21271805 × 10^6
Prime Factorization
5 × 419 × 105619
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
221271805
Product of the distinct prime numbers
The prime factorization of 221271805 is 5 × 419 × 105619.
Since it has a total of 3 prime factors.
6 , 1 , 71 , 41 , 915 , 591 , 4353 , 6352 , 91585 , 78010 , 227834 , 663090 , 9222550 , 9724664 , 8615091 , 68786603 , 272750051 , 81284065 , 2359531708 , 8812017898
n×2
442543610
n×3
663815415
n×4
885087220
n×5
1106359025
n÷2
110635902.5
n÷3
73757268.333333
n÷3
55317951.25
n÷5
44254361
n2
48961211687958025
n3
1.0833735685182E+25
n4
2.397200249953E+33
n5
5.3043282625356E+41
2 √n
14875.207729642
3 √n
604.84211894677
4 √n
121.96396078204
5 √n
46.664349453183
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
-221271804
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 221271805 can be divided by 8 positive divisors.
The sum of these divisors (counting 221271805) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101001100000101011011111101
3
Ternary
120102100202212001
4
Quaternary
31030011123331
5
Quinary
423121144210
6
Senary
33542342301
8
Octal
1514053375
10
Decimal
221271805
12
Duodecimal
6212a991
16
Hexadecimal
d3056fd
20
Vigesimal
392ija5
36
Base36
3nqmf1
md5
d2578a0349b42f8a845c6867d18d6eef
sha1
3df2cd72fe8e8b6bb7527bacfcbd9c756dccb4a3
sha256
9d6e1bc1dfcf7e1c87141fba7a9a7892b86772f58ac0ec748d39faddbc6c51ad
sha512
f356def62d2f6a0193cfbda99baba15cb91eebf3b7a4c7dc94804ef8b1d4199126525cb188e52d06843806cdb6864421b93691662d4efa00ec20edd2575dbabc
ripemd-160
cc4e087336d22b73e155240c2280e48fa63fec7f
Diameter
442543610
Circumference
1390291754.0691
Area
1.5381618294974E+17
Volume
4.5380245919333E+25
Surface area
6.1526473179897E+17
Circumference
1390291754.0691
Perimeter
885087220
Area
48961211687958025
Diagonal
312925587.60177
Surface area
293767270127748150
Volume
1.0833735685182E+25
Space diagonal
383254008.54247
Perimeter
663815415
Area
2.120082656092E+16
Altitude
191627004.27124
Surface area
2.120082656092E+16
Volume
1.2767679947624E+24
Height
104308529.20059