231489387 is an odd 9-digits composite number following 231489386
and preceding 231489388 . In scientific notation, it is written as 2.31489387 × 10^8.
The sum of its digits is 45. It has a total of 5 prime factors and 16 positive divisors.
There are 153630216 positive integers (up to 231489387) that are relatively prime to 231489387.
231489387 has 16 divisors, whose sum is 344494080
The reverse of 231489387 is 783984132
Previous prime number is 223
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
two hundred thirty-one million four hundred eighty-nine thousand three hundred eighty-seven
Scientific notation
2.31489387 × 10^8
Engineering notation
2.31489387 × 10^6
Prime Factorization
3 × 3 × 3 × 223 × 38447
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
25721043
Product of the distinct prime numbers
The prime factorization of 231489387 is 3 × 3 × 3 × 223 × 38447.
Since it has a total of 5 prime factors.
10 , 4 , 79 , 31 , 940 , 855 , 6959 , 6706 , 23484 , 10774 , 940365 , 560581 , 6110322 , 9444457 , 81367211 , 17046878 , 654843937 , 350795522 , 4627616706 , 1745122744
n×2
462978774
n×3
694468161
n×4
925957548
n×5
1157446935
n÷2
115744693.5
n÷3
77163129
n÷3
57872346.75
n÷5
46297877.4
n2
53587336293635769
n3
1.2404899629577E+25
n4
2.8716026110472E+33
n5
6.6474552813892E+41
2 √n
15214.775285886
3 √n
614.01223949684
4 √n
123.34818720146
5 √n
47.087563293708
1 , 3 , 9 , 27 , 223 , 669 , 2007 , 6021 , 38447 , 115341 , 346023 , 1038069 , 8573681 , 25721043 , 77163129 , 231489387
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
-231489386
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 231489387 can be divided by 16 positive divisors.
The sum of these divisors (counting 231489387) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101110011000011111101101011
3
Ternary
121010120212202000
4
Quaternary
31303003331223
5
Quinary
433230130022
6
Senary
34545342043
8
Octal
1563037553
10
Decimal
231489387
12
Duodecimal
65637923
16
Hexadecimal
dcc3f6b
20
Vigesimal
3c6g397
36
Base36
3ttmcr
md5
732bd7f6244ff87f9bb344d889142b7d
sha1
52566afb977dddaa1b25dbbd4b11185a83861cff
sha256
5dd693a320ce513905edc4fd8806e0ee26195c503a3b8f9f6ac7660645352972
sha512
ec06800a04dfeeee9e67f01023f1acb5c91fd9e056200d3e1bb05cfe89c572f2d226ca9b401c9fe13755198bc2c30b42d62e617cf9ec3787c714dd38622d64b6
ripemd-160
3a19c9206621896a8458dff196036c490554b5cb
Diameter
462978774
Circumference
1454490715.1664
Area
1.6834958202553E+17
Volume
5.1961522059729E+25
Surface area
6.7339832810213E+17
Circumference
1454490715.1664
Perimeter
925957548
Area
53587336293635769
Diagonal
327375430.64083
Surface area
321524017761814614
Volume
1.2404899629577E+25
Space diagonal
400951379.69697
Perimeter
694468161
Area
2.3203997275714E+16
Altitude
200475689.84849
Surface area
2.3203997275714E+16
Volume
1.4619314413354E+24
Height
109125143.54694