231644 is an even 6-digits composite number following 231643
and preceding 231645 . In scientific notation, it is written as 2.31644 × 10^5.
The sum of its digits is 20. It has a total of 4 prime factors and 12 positive divisors.
There are 99264 positive integers (up to 231644) that are relatively prime to 231644.
231644 has 12 divisors, whose sum is 463344
The reverse of 231644 is 446132
Previous prime number is 7
Is Prime? no
Number parity even
Number length 6
Sum of Digits 20
Digital Root 2
Name
two hundred thirty-one thousand six hundred forty-four
Scientific notation
2.31644 × 10^5
Engineering notation
2.31644 × 10^3
Prime Factorization
2 × 2 × 7 × 8273
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
115822
Product of the distinct prime numbers
The prime factorization of 231644 is 2 × 2 × 7 × 8273.
Since it has a total of 4 prime factors.
5 , 8 , 94 , 77 , 420 , 303 , 7948 , 369 , 19344 , 88614 , 497093 , 730262 , 7031261 , 2675737 , 55241423 , 59065511 , 332327673 , 283233157 , 859348478 , 7101567095
n×2
463288
n×3
694932
n×4
926576
n×5
1158220
n÷2
115822
n÷3
77214.666666667
n÷3
57911
n÷5
46328.8
n2
53658942736
n3
12429772131137984
n4
2.8792821355453E+21
n5
6.6696843100626E+26
2 √n
481.29408888953
3 √n
61.414890976029
4 √n
21.938415824519
5 √n
11.829440689436
1 , 2 , 4 , 7 , 14 , 28 , 8273 , 16546 , 33092 , 57911 , 115822 , 231644
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-231643
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 231644 can be divided by 12 positive divisors.
The sum of these divisors (counting 231644) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111000100011011100
3
Ternary
102202202102
4
Quaternary
320203130
5
Quinary
24403034
6
Senary
4544232
8
Octal
704334
10
Decimal
231644
12
Duodecimal
b2078
16
Hexadecimal
388dc
20
Vigesimal
18j24
36
Base36
4yqk
md5
a71ff9a9ac35e3e74679d8d79e24c76a
sha1
2c25e2bf8dda4c3f5a835d394d0ae4520c6daf00
sha256
4828a0104ac254df9abac22a13e94c6abbd55175f3c8bf70f754ca09b7563cbe
sha512
cedf748d5a01575c34c89f6b1dc1f262d3f9bd94d1c14f7bc22c7c4fd27d66bac1dab81d0e4ce7ff9cd012c250de3aafff10f795a0a9019fea0299c7b095b764
ripemd-160
b989c102205802135f492b5089c4c7ff6b20e726
Diameter
463288
Circumference
1455462.1772963
Area
168574540298.81
Volume
5.2065707750638E+16
Surface area
674298161195.25
Circumference
1455462.1772963
Perimeter
926576
Area
53658942736
Diagonal
327594.08644235
Surface area
321953656416
Volume
12429772131137984
Space diagonal
401219.17726849
Perimeter
694932
Area
23235003774.795
Altitude
200609.58863424
Surface area
23235003774.795
Volume
1.4648626937552E+15
Height
109198.02881412