231291243 is an odd 9-digits composite number following 231291242
and preceding 231291244 . In scientific notation, it is written as 2.31291243 × 10^8.
The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors.
There are 147489936 positive integers (up to 231291243) that are relatively prime to 231291243.
231291243 has 12 divisors, whose sum is 348613200
The reverse of 231291243 is 342192132
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 27
Digital Root 9
Name
two hundred thirty-one million two hundred ninety-one thousand two hundred forty-three
Scientific notation
2.31291243 × 10^8
Engineering notation
2.31291243 × 10^6
Prime Factorization
3 × 3 × 23 × 1117349
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
77097081
Product of the distinct prime numbers
The prime factorization of 231291243 is 3 × 3 × 23 × 1117349.
Since it has a total of 4 prime factors.
8 , 4 , 89 , 64 , 596 , 434 , 3598 , 7351 , 74547 , 36896 , 480838 , 170706 , 2865635 , 7490831 , 90169465 , 49478357 , 910355930 , 608578457 , 8437843524 , 3980245658
n×2
462582486
n×3
693873729
n×4
925164972
n×5
1156456215
n÷2
115645621.5
n÷3
77097081
n÷3
57822810.75
n÷5
46258248.6
n2
53495639088485049
n3
1.2373072859855E+25
n4
2.8617834014854E+33
n5
6.6190544012634E+41
2 √n
15208.262326775
3 √n
613.8370009804
4 √n
123.32178366686
5 √n
47.079499585596
1 , 3 , 9 , 23 , 69 , 207 , 1117349 , 3352047 , 10056141 , 25699027 , 77097081 , 231291243
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
-231291242
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 231291243 can be divided by 12 positive divisors.
The sum of these divisors (counting 231291243) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101110010010011100101101011
3
Ternary
121010012210221100
4
Quaternary
31302103211223
5
Quinary
433202304433
6
Senary
34541212443
8
Octal
1562234553
10
Decimal
231291243
12
Duodecimal
65561123
16
Hexadecimal
dc9396b
20
Vigesimal
3c5b823
36
Base36
3tpdgr
md5
777412d18327172358475d5881f83849
sha1
68f49feda114a76289019d06403550f4620e75a0
sha256
8609e7610bcca04ca567372db33836f975ee423453717fbe3812d3fa0c5b8ea0
sha512
4b52231597b5ab9717bd4fc7eefe184528cc1fc5f29b6c0f12d312185e5903b257dfe36f076e9901051e88678acee531f82e4019fbc348e82f5e17165d0243a8
ripemd-160
37b6091fe0a77ae0ba192adf3fe7db5ee0e8ebb3
Diameter
462582486
Circumference
1453245739.6969
Area
1.6806150675948E+17
Volume
5.1828206398469E+25
Surface area
6.722460270379E+17
Circumference
1453245739.6969
Perimeter
925164972
Area
53495639088485049
Diagonal
327095212.70873
Surface area
320973834530910294
Volume
1.2373072859855E+25
Space diagonal
400608184.22176
Perimeter
693873729
Area
2.3164291221156E+16
Altitude
200304092.11088
Surface area
2.3164291221156E+16
Volume
1.4581806205531E+24
Height
109031737.56958