142605 is an odd 6-digits composite number following 142604
and preceding 142606 . In scientific notation, it is written as 1.42605 × 10^5.
The sum of its digits is 18. It has a total of 2 prime factors and 4 positive divisors.
There are 76032 positive integers (up to 142605) that are relatively prime to 142605.
142605 has 4 divisors, whose sum is 145820
The reverse of 142605 is 506241
Previous prime number is 45
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 18
Digital Root 9
Name
one hundred forty-two thousand six hundred five
Scientific notation
1.42605 × 10^5
Engineering notation
1.42605 × 10^3
Prime Factorization
45 × 3169
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
142605
Product of the distinct prime numbers
The prime factorization of 142605 is 45 × 3169.
Since it has a total of 2 prime factors.
10 , 7 , 48 , 44 , 924 , 225 , 9092 , 1156 , 7282 , 36224 , 537392 , 777646 , 6791690 , 3177672 , 89966706 , 28534512 , 561791790 , 743355939 , 1677044974 , 7331900861
n×2
285210
n×3
427815
n×4
570420
n×5
713025
n÷2
71302.5
n÷3
47535
n÷3
35651.25
n÷5
28521
n2
20336186025
n3
2900041808095125
n4
4.1356046204341E+20
n5
5.89757896897E+25
2 √n
377.63077205122
3 √n
52.245022151937
4 √n
19.432724257067
5 √n
10.735615547105
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
-142604
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 142605 can be divided by 4 positive divisors.
The sum of these divisors (counting 142605) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010110100001101
3
Ternary
21020121200
4
Quaternary
202310031
5
Quinary
14030410
6
Senary
3020113
8
Octal
426415
10
Decimal
142605
12
Duodecimal
6a639
16
Hexadecimal
22d0d
20
Vigesimal
hga5
36
Base36
3219
md5
146e761185adeb16f865cb617728d99f
sha1
be2c159a4fa8a4de6f275c099b3b330f1d5f83fe
sha256
21d22d513d454079e641e10a9d71f8623bb594305c0b936e0d0c972a1ba1c9ee
sha512
fe7dea4c83f147b8c2b33e42bb0acea2b48b7c2894a752a07da020d41ff6d2354fd94bc47d057862640f51c09d87eaaf550808b343ecbad0582d58057f4e4f69
ripemd-160
7394a5b5b5ae2042320a0e5ff9a5b09f871d9d0c
Diameter
285210
Circumference
896013.64073034
Area
63888012618.175
Volume
1.214766671922E+16
Surface area
255552050472.7
Circumference
896013.64073034
Perimeter
570420
Area
20336186025
Diagonal
201673.92506222
Surface area
122017116150
Volume
2900041808095125
Space diagonal
246999.10541336
Perimeter
427815
Area
8805826856.868
Altitude
123499.55270668
Surface area
8805826856.868
Volume
3.4177320470476E+14
Height
67224.641687405