221289 is an odd 6-digits composite number following 221288
and preceding 221290 . In scientific notation, it is written as 2.21289 × 10^5.
The sum of its digits is 24. It has a total of 2 prime factors and 4 positive divisors.
There are 138816 positive integers (up to 221289) that are relatively prime to 221289.
221289 has 4 divisors, whose sum is 225680
The reverse of 221289 is 982122
Previous prime number is 51
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 24
Digital Root 6
Name
two hundred twenty-one thousand two hundred eighty-nine
Scientific notation
2.21289 × 10^5
Engineering notation
2.21289 × 10^3
Prime Factorization
51 × 4339
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
221289
Product of the distinct prime numbers
The prime factorization of 221289 is 51 × 4339.
Since it has a total of 2 prime factors.
4 , 7 , 54 , 81 , 798 , 896 , 8288 , 7534 , 74795 , 32294 , 355288 , 355866 , 8498258 , 9045436 , 18389909 , 81435945 , 758203923 , 512111328 , 9973771276 , 5722172974
n×2
442578
n×3
663867
n×4
885156
n×5
1106445
n÷2
110644.5
n÷3
73763
n÷3
55322.25
n÷5
44257.8
n2
48968821521
n3
10836261545560569
n4
2.3979454811556E+21
n5
5.3063895757943E+26
2 √n
470.4136477612
3 √n
60.485778593884
4 √n
21.689021364764
5 √n
11.721736793068
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
-221288
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 221289 can be divided by 4 positive divisors.
The sum of these divisors (counting 221289) is 1, the average is 0.25.
Base
System
Value
2
Binary
110110000001101001
3
Ternary
102020112220
4
Quaternary
312001221
5
Quinary
24040124
6
Senary
4424253
8
Octal
660151
10
Decimal
221289
12
Duodecimal
a8089
16
Hexadecimal
36069
20
Vigesimal
17d49
36
Base36
4qqx
md5
70d77524638203ab732905df96384df8
sha1
235bfc0bea534d276843eadd3494d9f957ea1585
sha256
5a8f1bcf370469cc533a65a297885a33e778e03b3e2ee20cf15890bb5e3cdf23
sha512
dfffe921427e98949d5b0e8db8e4fd124c4aedec9b1122f26bd0003e4e0b87918af627ad1533e56c3558f7adbd4fd0d4777425daf0e0f7c581c5fb8cfb7a382a
ripemd-160
8d4997de00cef9413a099a2d9caaeabeadde0ad5
Diameter
442578
Circumference
1390399.7934405
Area
153840089945.32
Volume
4.5390826218548E+16
Surface area
615360359781.29
Circumference
1390399.7934405
Perimeter
885156
Area
48968821521
Diagonal
312949.90500398
Surface area
293812929126
Volume
10836261545560569
Space diagonal
383283.79115611
Perimeter
663867
Area
21204121715.286
Altitude
191641.89557805
Surface area
21204121715.286
Volume
1.2770656702628E+15
Height
104316.63500133