243989 is an odd 6-digits prime number following 243988
and preceding 243990 . In scientific notation, it is written as 2.43989 × 10^5.
The sum of its digits is 35. It has a total of 1 prime factors and 2 positive divisors.
There are 243988 positive integers (up to 243989) that are relatively prime to 243989.
243989 has 2 divisors, whose sum is 243990
The reverse of 243989 is 989342
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 6
Sum of Digits 35
Digital Root 8
Name
two hundred forty-three thousand nine hundred eighty-nine
Scientific notation
2.43989 × 10^5
Engineering notation
2.43989 × 10^3
Prime Factorization
243989
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
243989
Product of the distinct prime numbers
The prime factorization of 243989 is 243989.
Since it has a total of 1 prime factors.
1 , 8 , 43 , 91 , 882 , 838 , 1296 , 3623 , 19029 , 93985 , 154063 , 938001 , 3058979 , 4459689 , 44404928 , 19247796 , 228724121 , 221230529 , 4343188477 , 3794472013
n×2
487978
n×3
731967
n×4
975956
n×5
1219945
n÷2
121994.5
n÷3
81329.666666667
n÷3
60997.25
n÷5
48797.8
n2
59530632121
n3
14524819400570669
n4
3.5438961607258E+21
n5
8.6467168035934E+26
2 √n
493.95242685911
3 √n
62.487058653863
4 √n
22.225040536726
5 √n
11.952921007217
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
243990
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
121995
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
493.9534391013
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999918029427
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 243989 can be divided by 2 positive divisors.
The sum of these divisors (counting 243989) is 243990, the average is 121995.
Base
System
Value
2
Binary
111011100100010101
3
Ternary
110101200122
4
Quaternary
323210111
5
Quinary
30301424
6
Senary
5121325
8
Octal
734425
10
Decimal
243989
12
Duodecimal
b9245
16
Hexadecimal
3b915
20
Vigesimal
1a9j9
36
Base36
589h
md5
0deaafad920dbbce9e8afc4e8f9cb729
sha1
33dccc1acc3fb3a0631cc776c8f6148667d980f3
sha256
fd028b66d7af3e523909b0989bb413733778d49ec8509ef6702de1346e326b41
sha512
ca8c68a3516e37c235a12e813565d95e04d71fa5745024b3865520b8be5402a3e14e5b66bc87f98732fba318825fbc23e2a7989f7a49a1f1006fd54185279521
ripemd-160
dc36ce17d85e56b17120374938983c21f4d0d57a
Diameter
487978
Circumference
1533028.0999134
Area
187020996534.89
Volume
6.0841421231402E+16
Surface area
748083986139.56
Circumference
1533028.0999134
Perimeter
975956
Area
59530632121
Diagonal
345052.55286985
Surface area
357183792726
Volume
14524819400570669
Space diagonal
422601.34448792
Perimeter
731967
Area
25777519860.066
Altitude
211300.67224396
Surface area
25777519860.066
Volume
1.7117663822756E+15
Height
115017.51762328