221531 is an odd 6-digits composite number following 221530
and preceding 221532 . In scientific notation, it is written as 2.21531 × 10^5.
The sum of its digits is 14. It has a total of 2 prime factors and 4 positive divisors.
There are 213864 positive integers (up to 221531) that are relatively prime to 221531.
221531 has 4 divisors, whose sum is 229200
The reverse of 221531 is 135122
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 five hundred thirty-one
Scientific notation
2.21531 × 10^5
Engineering notation
2.21531 × 10^3
Prime Factorization
29 × 7639
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
221531
Product of the distinct prime numbers
The prime factorization of 221531 is 29 × 7639.
Since it has a total of 2 prime factors.
2 , 4 , 25 , 17 , 209 , 43 , 723 , 1534 , 108 , 40810 , 398104 , 867231 , 318550 , 9952133 , 50004541 , 35646949 , 353191611 , 785623774 , 9205595738 , 795397484
n×2
443062
n×3
664593
n×4
886124
n×5
1107655
n÷2
110765.5
n÷3
73843.666666667
n÷3
55382.75
n÷5
44306.2
n2
49075983961
n3
10871851802864291
n4
2.4084522017403E+21
n5
5.3354682470374E+26
2 √n
470.67079790444
3 √n
60.507819493368
4 √n
21.694948672547
5 √n
11.724299433106
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
-221530
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 221531 can be divided by 4 positive divisors.
The sum of these divisors (counting 221531) is 1, the average is 0.25.
Base
System
Value
2
Binary
110110000101011011
3
Ternary
102020212212
4
Quaternary
312011123
5
Quinary
24042111
6
Senary
4425335
8
Octal
660533
10
Decimal
221531
12
Duodecimal
a824b
16
Hexadecimal
3615b
20
Vigesimal
17dgb
36
Base36
4qxn
md5
1c32077991fbc932201dea5d2a31013b
sha1
e5e085c698c81f1018d0be43b4fa29c96c555b1d
sha256
5dc728e8450c349bcd73868cbace8c22aa937d8e1ec2f47d71843fc3a0d3a5ba
sha512
b24995e25e74d32c2ee39aca5220b4fd07f128118e4d045e203eddf7f6a37d5016258c15699bdc0fdc862f9e8c92f532d43f83f32aaecda7bf684126e177c7a0
ripemd-160
98826cfee4a6b580bc73a51c02248674f3074261
Diameter
443062
Circumference
1391920.3242848
Area
154176750679.57
Volume
4.5539906339727E+16
Surface area
616707002718.27
Circumference
1391920.3242848
Perimeter
886124
Area
49075983961
Diagonal
313292.14468607
Surface area
294455903766
Volume
10871851802864291
Space diagonal
383702.94745154
Perimeter
664593
Area
21250524412.972
Altitude
191851.47372577
Surface area
21250524412.972
Volume
1.2812600223101E+15
Height
104430.71489536