221521 is an odd 6-digits composite number following 221520
and preceding 221522 . In scientific notation, it is written as 2.21521 × 10^5.
The sum of its digits is 13. It has a total of 3 prime factors and 8 positive divisors.
There are 205920 positive integers (up to 221521) that are relatively prime to 221521.
221521 has 8 divisors, whose sum is 237600
The reverse of 221521 is 125122
Previous prime number is 89
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 13
Digital Root 4
Name
two hundred twenty-one thousand five hundred twenty-one
Scientific notation
2.21521 × 10^5
Engineering notation
2.21521 × 10^3
Prime Factorization
19 × 89 × 131
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
221521
Product of the distinct prime numbers
The prime factorization of 221521 is 19 × 89 × 131.
Since it has a total of 3 prime factors.
1 , 3 , 12 , 39 , 887 , 711 , 9762 , 8308 , 89764 , 96817 , 398915 , 113979 , 8680510 , 596740 , 6334190 , 6060673 , 741907938 , 528868774 , 8174685868 , 1076729749
n×2
443042
n×3
664563
n×4
886084
n×5
1107605
n÷2
110760.5
n÷3
73840.333333333
n÷3
55380.25
n÷5
44304.2
n2
49071553441
n3
10870379589803761
n4
2.4080173571129E+21
n5
5.3342641296501E+26
2 √n
470.66017464833
3 √n
60.506909030423
4 √n
21.694703838687
5 √n
11.72419358326
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
-221520
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 221521 can be divided by 8 positive divisors.
The sum of these divisors (counting 221521) is 1, the average is 0.125.
Base
System
Value
2
Binary
110110000101010001
3
Ternary
102020212111
4
Quaternary
312011101
5
Quinary
24042041
6
Senary
4425321
8
Octal
660521
10
Decimal
221521
12
Duodecimal
a8241
16
Hexadecimal
36151
20
Vigesimal
17dg1
36
Base36
4qxd
md5
cbf4a630d0dbd4ec606daeafb1c16658
sha1
6158c4f4983e3daeb891454762cc094d6530fa1a
sha256
9e427aeb0b35d42297f3e8f0928af73a2e8bf3dafd7c97ef1212f61f75641c42
sha512
0cc7e1cbc0cc10574209290b9b3a7dac0122054edd347b9cb3cb23ecf2ce86cf4a601a8486014e738367f6b14ab68fb4d67d4e508226b6198e3dfabe50a27ed8
ripemd-160
86d3b61f25de1abb05fa6f54f9528e6ef3da18c8
Diameter
443042
Circumference
1391857.4924317
Area
154162831790.48
Volume
4.553373954808E+16
Surface area
616651327161.94
Circumference
1391857.4924317
Perimeter
886084
Area
49071553441
Diagonal
313278.00255045
Surface area
294429320646
Volume
10870379589803761
Space diagonal
383685.62694347
Perimeter
664563
Area
21248605941.536
Altitude
191842.81347173
Surface area
21248605941.536
Volume
1.281086520337E+15
Height
104426.00085015