221591 is an odd 6-digits composite number following 221590
and preceding 221592 . In scientific notation, it is written as 2.21591 × 10^5.
The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors.
There are 218400 positive integers (up to 221591) that are relatively prime to 221591.
221591 has 4 divisors, whose sum is 224784
The reverse of 221591 is 195122
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 20
Digital Root 2
Name
two hundred twenty-one thousand five hundred ninety-one
Scientific notation
2.21591 × 10^5
Engineering notation
2.21591 × 10^3
Prime Factorization
71 × 3121
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
221591
Product of the distinct prime numbers
The prime factorization of 221591 is 71 × 3121.
Since it has a total of 2 prime factors.
9 , 4 , 47 , 25 , 374 , 780 , 7095 , 4071 , 30349 , 31633 , 674276 , 221191 , 5246598 , 3372675 , 16554583 , 1018757 , 10053936 , 943693407 , 8848548421 , 8333745981
n×2
443182
n×3
664773
n×4
886364
n×5
1107955
n÷2
110795.5
n÷3
73863.666666667
n÷3
55397.75
n÷5
44318.2
n2
49102571281
n3
10880687872728071
n4
2.4110625064057E+21
n5
5.3426975185694E+26
2 √n
470.73453240654
3 √n
60.513281695734
4 √n
21.696417501665
5 √n
11.724934451923
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
-221590
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 221591 can be divided by 4 positive divisors.
The sum of these divisors (counting 221591) is 1, the average is 0.25.
Base
System
Value
2
Binary
110110000110010111
3
Ternary
102020222002
4
Quaternary
312012113
5
Quinary
24042331
6
Senary
4425515
8
Octal
660627
10
Decimal
221591
12
Duodecimal
a829b
16
Hexadecimal
36197
20
Vigesimal
17djb
36
Base36
4qzb
md5
cd80bbd19a52239185b30358bc795b3a
sha1
f92df28a8f3e025f8c0273ce623c94fdf1eca392
sha256
6253b22177a7d01f777b10cb879a00db5a2904e8d7acb9da76aca3bf1d4de05a
sha512
eadc737435af952a006c976de79287f5fd8300e5316203e0dacb4bd154917719a03ae5a068d6ca40420262d29249f25ffcffa67c8e8d3ae95934456f50767bc9
ripemd-160
599cb48913cb9ac72fa810ce327edeb4b9f8ed01
Diameter
443182
Circumference
1392297.3154032
Area
154260277208.76
Volume
4.5576918782621E+16
Surface area
617041108835.04
Circumference
1392297.3154032
Perimeter
886364
Area
49102571281
Diagonal
313376.99749982
Surface area
294615427686
Volume
10880687872728071
Space diagonal
383806.8705
Perimeter
664773
Area
21262037060.241
Altitude
191903.43525
Surface area
21262037060.241
Volume
1.28230136313E+15
Height
104458.99916661