231385 is an odd 6-digits composite number following 231384
and preceding 231386 . In scientific notation, it is written as 2.31385 × 10^5.
The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors.
There are 144000 positive integers (up to 231385) that are relatively prime to 231385.
231385 has 8 divisors, whose sum is 281736
The reverse of 231385 is 583132
Previous prime number is 77
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 22
Digital Root 4
Name
two hundred thirty-one thousand three hundred eighty-five
Scientific notation
2.31385 × 10^5
Engineering notation
2.31385 × 10^3
Prime Factorization
5 × 77 × 601
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
231385
Product of the distinct prime numbers
The prime factorization of 231385 is 5 × 77 × 601.
Since it has a total of 3 prime factors.
8 , 8 , 69 , 89 , 635 , 463 , 6391 , 7917 , 41377 , 383 , 795089 , 698500 , 8077141 , 5495780 , 97144955 , 92816616 , 953708394 , 582572299 , 6961398837 , 6986866727
n×2
462770
n×3
694155
n×4
925540
n×5
1156925
n÷2
115692.5
n÷3
77128.333333333
n÷3
57846.25
n÷5
46277
n2
53539018225
n3
12388125731991625
n4
2.8664264724969E+21
n5
6.6324808933869E+26
2 √n
481.02494737799
3 √n
61.39199321228
4 √n
21.932280943349
5 √n
11.826794217852
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-231384
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 231385 can be divided by 8 positive divisors.
The sum of these divisors (counting 231385) is 1, the average is 0.125.
Base
System
Value
2
Binary
111000011111011001
3
Ternary
102202101211
4
Quaternary
320133121
5
Quinary
24401020
6
Senary
4543121
8
Octal
703731
10
Decimal
231385
12
Duodecimal
b1aa1
16
Hexadecimal
387d9
20
Vigesimal
18i95
36
Base36
4yjd
md5
4f28539ce841ea8e3977b9cfc1d14d32
sha1
5ed2b05c39a1345c44c98e768f4eab1c032f2dc0
sha256
332b399a42a5af17671ceb126678bdd08b4792a70b841df890cab99645e20cc8
sha512
fa8caedf9e24560cb6ff8b1ed8bbbc6ad480e02b070fda4b3b085a62e9ac10f355512606bca1de6d31c40137c8a5abbcd39d8aadbc2d205277359ea31fd6c5ec
ripemd-160
8d00934df2bb6b62436ef61672874e3fd9e810bd
Diameter
462770
Circumference
1453834.8323017
Area
168197786336.07
Volume
5.1891259721829E+16
Surface area
672791145344.28
Circumference
1453834.8323017
Perimeter
925540
Area
53539018225
Diagonal
327227.8051297
Surface area
321234109350
Volume
12388125731991625
Space diagonal
400770.57610932
Perimeter
694155
Area
23183074938.264
Altitude
200385.28805466
Surface area
23183074938.264
Volume
1.4599546185471E+15
Height
109075.93504323