221557 is an odd 6-digits composite number following 221556
and preceding 221558 . In scientific notation, it is written as 2.21557 × 10^5.
The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors.
There are 183600 positive integers (up to 221557) that are relatively prime to 221557.
221557 has 8 divisors, whose sum is 261632
The reverse of 221557 is 755122
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 22
Digital Root 4
Name
two hundred twenty-one thousand five hundred fifty-seven
Scientific notation
2.21557 × 10^5
Engineering notation
2.21557 × 10^3
Prime Factorization
7 × 31 × 1021
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
221557
Product of the distinct prime numbers
The prime factorization of 221557 is 7 × 31 × 1021.
Since it has a total of 3 prime factors.
2 , 7 , 25 , 22 , 870 , 499 , 9855 , 4627 , 67695 , 71561 , 851889 , 5299 , 3751984 , 802376 , 78481567 , 17113007 , 168883908 , 459476663 , 4566604637 , 686234065
n×2
443114
n×3
664671
n×4
886228
n×5
1107785
n÷2
110778.5
n÷3
73852.333333333
n÷3
55389.25
n÷5
44311.4
n2
49087504249
n3
10875680178895693
n4
2.4095830733956E+21
n5
5.3385999699231E+26
2 √n
470.69841724824
3 √n
60.510186568803
4 √n
21.695585201793
5 √n
11.724574624818
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
-221556
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 221557 can be divided by 8 positive divisors.
The sum of these divisors (counting 221557) is 1, the average is 0.125.
Base
System
Value
2
Binary
110110000101110101
3
Ternary
102020220211
4
Quaternary
312011311
5
Quinary
24042212
6
Senary
4425421
8
Octal
660565
10
Decimal
221557
12
Duodecimal
a8271
16
Hexadecimal
36175
20
Vigesimal
17dhh
36
Base36
4qyd
md5
d6ba35655426a6a03dd15880e2b00103
sha1
be8155d539faf32bd98de4b6882a44e4549c4a66
sha256
d7c416c3ca5f452ad581948a811f86d600393e03d51cbbfd832119d93c61f7b6
sha512
7a8d24be2b6df34e004457ae4c2eebe042c02f73420477143d26fadb3f3a6926c6a372ae271a407c9a8c648db96a985d8c6e8ca6375ef837f3a21de386e0f8c2
ripemd-160
2be75703cd0dacfbf25a6b0fa0a2a6c3af31aa30
Diameter
443114
Circumference
1392083.6871028
Area
154212942731.72
Volume
4.5555942603748E+16
Surface area
616851770926.86
Circumference
1392083.6871028
Perimeter
886228
Area
49087504249
Diagonal
313328.9142387
Surface area
294525025494
Volume
10875680178895693
Space diagonal
383747.98077254
Perimeter
664671
Area
21255512844.005
Altitude
191873.99038627
Surface area
21255512844.005
Volume
1.2817112007522E+15
Height
104442.9714129