219985 is an odd 6-digits composite number following 219984
and preceding 219986 . In scientific notation, it is written as 2.19985 × 10^5.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 175984 positive integers (up to 219985) that are relatively prime to 219985.
219985 has 4 divisors, whose sum is 263988
The reverse of 219985 is 589912
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 34
Digital Root 7
Name
two hundred nineteen thousand nine hundred eighty-five
Scientific notation
2.19985 × 10^5
Engineering notation
2.19985 × 10^3
Prime Factorization
5 × 43997
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
219985
Product of the distinct prime numbers
The prime factorization of 219985 is 5 × 43997.
Since it has a total of 2 prime factors.
6 , 4 , 98 , 51 , 15 , 141 , 7147 , 882 , 97091 , 63807 , 853908 , 157856 , 3589471 , 8883058 , 65705683 , 23903550 , 788159918 , 217631097 , 5513180369 , 2832511639
n×2
439970
n×3
659955
n×4
879940
n×5
1099925
n÷2
109992.5
n÷3
73328.333333333
n÷3
54996.25
n÷5
43997
n2
48393400225
n3
10645822148496625
n4
2.341921185337E+21
n5
5.1518753195637E+26
2 √n
469.02558565605
3 √n
60.366735334354
4 √n
21.656998537564
5 √n
11.707889470079
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
-219984
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 219985 can be divided by 4 positive divisors.
The sum of these divisors (counting 219985) is 1, the average is 0.25.
Base
System
Value
2
Binary
110101101101010001
3
Ternary
102011202121
4
Quaternary
311231101
5
Quinary
24014420
6
Senary
4414241
8
Octal
655521
10
Decimal
219985
12
Duodecimal
a7381
16
Hexadecimal
35b51
20
Vigesimal
179j5
36
Base36
4pqp
md5
3d77dc4b348e9ad7cf9da229fa0a9068
sha1
71af10ea34c22f17260515f90fb0a70b6f0cdde1
sha256
9fdf542222a7b1b2fe3a5294e1b495c8c14779a53bda993e8056baa59aa2e5e4
sha512
f374d5eb5f49cd99b0b5d0670a4de96f152391315a99f508544369eba24fb058dad6cb7c892c1ecd14328da6940937b5678931f83cb082e6f19b6476bed5a733
ripemd-160
76589a1d576c28d07bb823c914be87399ba11089
Diameter
439970
Circumference
1382206.5197999
Area
152032350629.09
Volume
4.4593115537521E+16
Surface area
608129402516.36
Circumference
1382206.5197999
Perimeter
879940
Area
48393400225
Diagonal
311105.77051865
Surface area
290360401350
Volume
10645822148496625
Space diagonal
381025.19690304
Perimeter
659955
Area
20954956985.179
Altitude
190512.59845152
Surface area
20954956985.179
Volume
1.2546221720847E+15
Height
103701.92350622