231390 is an even 6-digits composite number following 231389
and preceding 231391 . In scientific notation, it is written as 2.31390 × 10^5.
The sum of its digits is 18. It has a total of 4 prime factors and 16 positive divisors.
There are 61632 positive integers (up to 231390) that are relatively prime to 231390.
231390 has 16 divisors, whose sum is 411840
The reverse of 231390 is 093132
Previous prime number is 9
Is Prime? no
Number parity even
Number length 6
Sum of Digits 18
Digital Root 9
Name
two hundred thirty-one thousand three hundred ninety
Scientific notation
2.31390 × 10^5
Engineering notation
2.31390 × 10^3
Prime Factorization
2 × 15 × 9 × 857
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
231390
Product of the distinct prime numbers
The prime factorization of 231390 is 2 × 15 × 9 × 857.
Since it has a total of 4 prime factors.
9 , 1 , 18 , 84 , 971 , 955 , 2443 , 4620 , 92870 , 30030 , 279996 , 937076 , 5757425 , 8957417 , 37465231 , 13657807 , 342436164 , 747116225 , 365919891 , 4404001314
n×2
462780
n×3
694170
n×4
925560
n×5
1156950
n÷2
115695
n÷3
77130
n÷3
57847.5
n÷5
46278
n2
53541332100
n3
12388928834619000
n4
2.8666742430425E+21
n5
6.633197530976E+26
2 √n
481.03014458556
3 √n
61.392435415758
4 √n
21.93239942609
5 √n
11.826845330465
1 , 2 , 9 , 15 , 18 , 30 , 135 , 270 , 857 , 1714 , 7713 , 12855 , 15426 , 25710 , 115695 , 231390
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
-231389
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 231390 can be divided by 16 positive divisors.
The sum of these divisors (counting 231390) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111000011111011110
3
Ternary
102202102000
4
Quaternary
320133132
5
Quinary
24401030
6
Senary
4543130
8
Octal
703736
10
Decimal
231390
12
Duodecimal
b1aa6
16
Hexadecimal
387de
20
Vigesimal
18i9a
36
Base36
4yji
md5
e0c923ebe3a54c6f7b990aa8ff3eecc1
sha1
cd140683f62c1933660a4e2ad958ca4ee034015d
sha256
ab1a99d875a3e31b2dc20699181e89c389532ae56fa2372f4674235c99b07e1c
sha512
998be5a8c79d17c52051908b6d5f5fa713081f701f314c2ccd907fa0ddede58790496889fea72b0ebc7f54991ac8c63eeec1569fa95f2cbd9cfd45b7f7814c09
ripemd-160
cf768783938b7bf42a0ea6bc3c026bd826a4e783
Diameter
462780
Circumference
1453866.2482283
Area
168205055588.77
Volume
5.1894623750248E+16
Surface area
672820222355.09
Circumference
1453866.2482283
Perimeter
925560
Area
53541332100
Diagonal
327234.87619751
Surface area
321247992600
Volume
12388928834619000
Space diagonal
400779.23636336
Perimeter
694170
Area
23184076875.53
Altitude
200389.61818168
Surface area
23184076875.53
Volume
1.4600492650994E+15
Height
109078.29206584