142743 is an odd 6-digits composite number following 142742
and preceding 142744 . In scientific notation, it is written as 1.42743 × 10^5.
The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors.
There are 95160 positive integers (up to 142743) that are relatively prime to 142743.
142743 has 4 divisors, whose sum is 190328
The reverse of 142743 is 347241
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 21
Digital Root 3
Name
one hundred forty-two thousand seven hundred forty-three
Scientific notation
1.42743 × 10^5
Engineering notation
1.42743 × 10^3
Prime Factorization
3 × 47581
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
142743
Product of the distinct prime numbers
The prime factorization of 142743 is 3 × 47581.
Since it has a total of 2 prime factors.
5 , 1 , 60 , 100 , 904 , 437 , 3708 , 7682 , 48119 , 329 , 633546 , 248529 , 7267709 , 5067135 , 9944522 , 70286885 , 912912673 , 400670899 , 4075665681 , 5307561924
n×2
285486
n×3
428229
n×4
570972
n×5
713715
n÷2
71371.5
n÷3
47581
n÷3
35685.75
n÷5
28548.6
n2
20375564049
n3
2908469139046407
n4
4.151636103149E+20
n5
5.926169922718E+25
2 √n
377.81344602859
3 √n
52.261869360759
4 √n
19.437423852676
5 √n
10.737692531515
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
-142742
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 142743 can be divided by 4 positive divisors.
The sum of these divisors (counting 142743) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010110110010111
3
Ternary
21020210210
4
Quaternary
202312113
5
Quinary
14031433
6
Senary
3020503
8
Octal
426627
10
Decimal
142743
12
Duodecimal
6a733
16
Hexadecimal
22d97
20
Vigesimal
hgh3
36
Base36
3253
md5
bed520671101c802b9ed51c8bb20815b
sha1
81f6986c2e47e1e64c63f5289228b0c45845c7ea
sha256
8b849d5496b17777dc3e9c8bbc2daa29539aa83f5daa163cf2a94bf9d07e6265
sha512
689b421255c4ad26727c10e8f5946cc517a198b9cec7a322b9ce4a5a996c65fe77d1c18b389c885ccfa04953ea6614666414fcc35824230e43925a8b9267e22b
ripemd-160
ba2e9bf1156c02a62a58767daf239732992d4d9b
Diameter
285486
Circumference
896880.72030274
Area
64011722329.087
Volume
1.2182967040561E+16
Surface area
256046889316.35
Circumference
896880.72030274
Perimeter
570972
Area
20375564049
Diagonal
201869.08653382
Surface area
122253384294
Volume
2908469139046407
Space diagonal
247238.1284248
Perimeter
428229
Area
8822878041.4355
Altitude
123619.0642124
Surface area
8822878041.4355
Volume
3.4276637518192E+14
Height
67289.695511274