221009 is an odd 6-digits composite number following 221008
and preceding 221010 . In scientific notation, it is written as 2.21009 × 10^5.
The sum of its digits is 14. It has a total of 2 prime factors and 4 positive divisors.
There are 213360 positive integers (up to 221009) that are relatively prime to 221009.
221009 has 4 divisors, whose sum is 228660
The reverse of 221009 is 900122
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 14
Digital Root 5
Name
two hundred twenty-one thousand nine
Scientific notation
2.21009 × 10^5
Engineering notation
2.21009 × 10^3
Prime Factorization
29 × 7621
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
221009
Product of the distinct prime numbers
The prime factorization of 221009 is 29 × 7621.
Since it has a total of 2 prime factors.
10 , 1 , 76 , 57 , 769 , 692 , 3966 , 7468 , 95891 , 32287 , 928126 , 307607 , 2942802 , 5052969 , 87733497 , 96382045 , 966396257 , 948607657 , 9665350194 , 3219042275
n×2
442018
n×3
663027
n×4
884036
n×5
1105045
n÷2
110504.5
n÷3
73669.666666667
n÷3
55252.25
n÷5
44201.8
n2
48844978081
n3
10795179760703729
n4
2.3858318837334E+21
n5
5.2729031879203E+26
2 √n
470.11594314594
3 √n
60.46025666531
4 √n
21.682157253049
5 √n
11.718768955795
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-221008
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 221009 can be divided by 4 positive divisors.
The sum of these divisors (counting 221009) is 1, the average is 0.25.
Base
System
Value
2
Binary
110101111101010001
3
Ternary
102020011112
4
Quaternary
311331101
5
Quinary
24033014
6
Senary
4423105
8
Octal
657521
10
Decimal
221009
12
Duodecimal
a7a95
16
Hexadecimal
35f51
20
Vigesimal
17ca9
36
Base36
4qj5
md5
557e8a0e3cfd8b4c71d8557a63c7088f
sha1
f8dc3bb5778368f648d967adcd012a6f78abf2d6
sha256
b5ab50e993ca2651e573cbf9d4fc5c29de3a5ade77b1dac7966f093295f5099a
sha512
944e506ceb8afcc32a04f3eb654e760c2e3c8c5046fdac52eb44b2e4a9683fe73696210d5fc202f9827aada812b1ba20d9bf56e385570b925f40b29a8d1a9809
ripemd-160
68ff472152e4a9b21400e81d7e88173b79ae51e4
Diameter
442018
Circumference
1388640.5015545
Area
153451024304.02
Volume
4.5218743240544E+16
Surface area
613804097216.1
Circumference
1388640.5015545
Perimeter
884036
Area
48844978081
Diagonal
312553.92520652
Surface area
293069868486
Volume
10795179760703729
Space diagonal
382798.81692999
Perimeter
663027
Area
21150495932.72
Altitude
191399.40846499
Surface area
21150495932.72
Volume
1.2722241354869E+15
Height
104184.64173551