221625 is an odd 6-digits composite number following 221624
and preceding 221626 . In scientific notation, it is written as 2.21625 × 10^5.
The sum of its digits is 18. It has a total of 4 prime factors and 16 positive divisors.
There are 117600 positive integers (up to 221625) that are relatively prime to 221625.
221625 has 16 divisors, whose sum is 308880
The reverse of 221625 is 526122
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 18
Digital Root 9
Name
two hundred twenty-one thousand six hundred twenty-five
Scientific notation
2.21625 × 10^5
Engineering notation
2.21625 × 10^3
Prime Factorization
9 × 25 × 5 × 197
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
221625
Product of the distinct prime numbers
The prime factorization of 221625 is 9 × 25 × 5 × 197.
Since it has a total of 4 prime factors.
9 , 7 , 45 , 42 , 293 , 877 , 7366 , 9608 , 55565 , 74005 , 717209 , 147165 , 5281270 , 3131825 , 68627138 , 35133695 , 433493011 , 327228021 , 2729233698 , 7954582267
n×2
443250
n×3
664875
n×4
886500
n×5
1108125
n÷2
110812.5
n÷3
73875
n÷3
55406.25
n÷5
44325
n2
49117640625
n3
10885697103515625
n4
2.4125426205667E+21
n5
5.3467975828308E+26
2 √n
470.77064479426
3 √n
60.516376506079
4 √n
21.697249705764
5 √n
11.725294234863
1 , 5 , 9 , 25 , 45 , 125 , 197 , 225 , 985 , 1125 , 1773 , 4925 , 8865 , 24625 , 44325 , 221625
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-221624
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 221625 can be divided by 16 positive divisors.
The sum of these divisors (counting 221625) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110110000110111001
3
Ternary
102021000100
4
Quaternary
312012321
5
Quinary
24043000
6
Senary
4430013
8
Octal
660671
10
Decimal
221625
12
Duodecimal
a8309
16
Hexadecimal
361b9
20
Vigesimal
17e15
36
Base36
4r09
md5
e3fa01291933bf4bd04b771ab5e65e48
sha1
74121b497ee440085beb044256a08a844bfa43eb
sha256
fe11757549558a5e0d081532f8b1e36196982927b1ea4b6ef60a3ed405e3da81
sha512
c17be235f68dd1a0162a23f0b94d43891c86713f88af6ffefaa619cac5a5f8d3d25f0f0a340b29b5b45a91db65925bda4143f57bbeb8a36b5769ccf4e89c9559
ripemd-160
fda59530c196e88c3ca7daa97be76bb6e2516899
Diameter
443250
Circumference
1392510.9437037
Area
154307618949.16
Volume
4.5597901399478E+16
Surface area
617230475796.65
Circumference
1392510.9437037
Perimeter
886500
Area
49117640625
Diagonal
313425.08076094
Surface area
294705843750
Volume
10885697103515625
Space diagonal
383865.76022745
Perimeter
664875
Area
21268562277.602
Altitude
191932.88011373
Surface area
21268562277.602
Volume
1.2828917066398E+15
Height
104475.02692031