231387946 is an even 9-digits composite number following 231387945
and preceding 231387947 . In scientific notation, it is written as 2.31387946 × 10^8.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 115648320 positive integers (up to 231387946) that are relatively prime to 231387946.
231387946 has 8 divisors, whose sum is 347218884
The reverse of 231387946 is 649783132
Previous prime number is 2693
Is Prime? no
Number parity even
Number length 9
Sum of Digits 43
Digital Root 7
Name
two hundred thirty-one million three hundred eighty-seven thousand nine hundred forty-six
Scientific notation
2.31387946 × 10^8
Engineering notation
2.31387946 × 10^6
Prime Factorization
2 × 2693 × 42961
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
231387946
Product of the distinct prime numbers
The prime factorization of 231387946 is 2 × 2693 × 42961.
Since it has a total of 3 prime factors.
1 , 10 , 59 , 57 , 913 , 78 , 180 , 792 , 77958 , 87923 , 185491 , 424034 , 8272798 , 3313156 , 73418450 , 91590315 , 591290145 , 814764316 , 8892305249 , 3734039637
n×2
462775892
n×3
694163838
n×4
925551784
n×5
1156939730
n÷2
115693973
n÷3
77129315.333333
n÷3
57846986.5
n÷5
46277589.2
n2
53540381554098916
n3
1.2388598915859E+25
n4
2.8665724569585E+33
n5
6.632903128758E+41
2 √n
15211.441286085
3 √n
613.9225375934
4 √n
123.33467187326
5 √n
47.083435720471
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
-231387945
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 231387946 can be divided by 8 positive divisors.
The sum of these divisors (counting 231387946) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101110010101011001100101010
3
Ternary
121010101201120221
4
Quaternary
31302223030222
5
Quinary
433213403241
6
Senary
34543240254
8
Octal
1562531452
10
Decimal
231387946
12
Duodecimal
655a908a
16
Hexadecimal
dcab32a
20
Vigesimal
3c639h6
36
Base36
3trg2y
md5
362db127a1e04d96a97e0169169a4e84
sha1
ea54a2435f72245d7fb3c4c25329aca9f1006413
sha256
a54980b18165508e576b2e4b0400c6b3e032062c60e75009d555fa5c01ac3b05
sha512
1688c15aafb74511a7262aeb07195d93b770ba36432f43a4881446ccb2e5573ef7ee79bd4a51877a6d8cae136f861c5e073337bfbbbb114e63e9ce848a907449
ripemd-160
064abc2c424d3eacbf9b92e585606d02a684cc41
Diameter
462775892
Circumference
1453853342.5657
Area
1.6820206936075E+17
Volume
5.1893241789778E+25
Surface area
6.7280827744301E+17
Circumference
1453853342.5657
Perimeter
925551784
Area
53540381554098916
Diagonal
327231971.40285
Surface area
321242289324593496
Volume
1.2388598915859E+25
Space diagonal
400775678.731
Perimeter
694163838
Area
2.3183665277081E+16
Altitude
200387839.3655
Surface area
2.3183665277081E+16
Volume
1.4600103838007E+24
Height
109077323.80095