221369 is an odd 6-digits composite number following 221368
and preceding 221370 . In scientific notation, it is written as 2.21369 × 10^5.
The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors.
There are 205200 positive integers (up to 221369) that are relatively prime to 221369.
221369 has 8 divisors, whose sum is 238080
The reverse of 221369 is 963122
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 23
Digital Root 5
Name
two hundred twenty-one thousand three hundred sixty-nine
Scientific notation
2.21369 × 10^5
Engineering notation
2.21369 × 10^3
Prime Factorization
61 × 19 × 191
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
221369
Product of the distinct prime numbers
The prime factorization of 221369 is 61 × 19 × 191.
Since it has a total of 3 prime factors.
9 , 2 , 77 , 6 , 70 , 679 , 1802 , 9074 , 43115 , 5299 , 100105 , 494384 , 3270798 , 9090605 , 42748201 , 8494957 , 556624448 , 322274548 , 5592531629 , 2546667234
n×2
442738
n×3
664107
n×4
885476
n×5
1106845
n÷2
110684.5
n÷3
73789.666666667
n÷3
55342.25
n÷5
44273.8
n2
49004234161
n3
10848018311986409
n4
2.4014149657061E+21
n5
5.315988295434E+26
2 √n
470.49867162405
3 √n
60.493066618884
4 √n
21.690981343039
5 √n
11.722584194763
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
-221368
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 221369 can be divided by 8 positive divisors.
The sum of these divisors (counting 221369) is 1, the average is 0.125.
Base
System
Value
2
Binary
110110000010111001
3
Ternary
102020122212
4
Quaternary
312002321
5
Quinary
24040434
6
Senary
4424505
8
Octal
660271
10
Decimal
221369
12
Duodecimal
a8135
16
Hexadecimal
360b9
20
Vigesimal
17d89
36
Base36
4qt5
md5
2452ddf59cb382527c70d4c705caa29e
sha1
ee4b0cebb72bd9dd0a92b61672832a491e81d92b
sha256
c332fb351bf5c1fb4c27c78b48bafd2ba1d9d53cc000455948e6a3d4a063044a
sha512
d9b09edb24b5d3a0f21cecedaeddea392f0848455d5fd8f62502ad8008a18b6438469680464ed68222ca0a4474f849cc3550d32a34ef39ccf4bf097de360c626
ripemd-160
2f27f5eddb21af02aac3ed003f85e046363e1642
Diameter
442738
Circumference
1390902.448265
Area
153951342034.99
Volume
4.5440072846592E+16
Surface area
615805368139.97
Circumference
1390902.448265
Perimeter
885476
Area
49004234161
Diagonal
313063.04208897
Surface area
294025404966
Volume
10848018311986409
Space diagonal
383422.35522071
Perimeter
664107
Area
21219455838.214
Altitude
191711.17761036
Surface area
21219455838.214
Volume
1.2784512184736E+15
Height
104354.34736299