231489728 is an even 9-digits composite number following 231489727
and preceding 231489729 . In scientific notation, it is written as 2.31489728 × 10^8.
The sum of its digits is 44. It has a total of 7 prime factors and 14 positive divisors.
There are 115744832 positive integers (up to 231489728) that are relatively prime to 231489728.
231489728 has 14 divisors, whose sum is 459362556
The reverse of 231489728 is 827984132
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 44
Digital Root 8
Name
two hundred thirty-one million four hundred eighty-nine thousand seven hundred twenty-eight
Scientific notation
2.31489728 × 10^8
Engineering notation
2.31489728 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 3617027
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
7234054
Product of the distinct prime numbers
The prime factorization of 231489728 is 2 × 2 × 2 × 2 × 2 × 2 × 3617027.
Since it has a total of 7 prime factors.
2 , 1 , 46 , 10 , 375 , 495 , 3570 , 5495 , 80416 , 14613 , 2540 , 550867 , 8834776 , 2152952 , 58849200 , 83643791 , 244072287 , 585596132 , 5492960195 , 6051581772
n×2
462979456
n×3
694469184
n×4
925958912
n×5
1157448640
n÷2
115744864
n÷3
77163242.666667
n÷3
57872432
n÷5
46297945.6
n2
53587494169513984
n3
1.2404954449502E+25
n4
2.8716195313677E+33
n5
6.647504242358E+41
2 √n
15214.786492094
3 √n
614.01254099097
4 √n
123.34823262655
5 √n
47.087577166352
1 , 2 , 4 , 8 , 16 , 32 , 64 , 3617027 , 7234054 , 14468108 , 28936216 , 57872432 , 115744864 , 231489728
14 divisors
τ
Total Divisors
14
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-231489727
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.071428571428571
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
14
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 231489728 can be divided by 14 positive divisors.
The sum of these divisors (counting 231489728) is 1, the average is 0.071428571428571.
Base
System
Value
2
Binary
1101110011000100000011000000
3
Ternary
121010120220012122
4
Quaternary
31303010003000
5
Quinary
433230132403
6
Senary
34545343412
8
Octal
1563040300
10
Decimal
231489728
12
Duodecimal
65637b68
16
Hexadecimal
dcc40c0
20
Vigesimal
3c6g468
36
Base36
3ttmm8
md5
7a9c9169521b3bced181bc16f7d5b918
sha1
4377dc225d77b5a33cbfe76033227ad5b518ce7c
sha256
e5ad4274cb2aec639437609b095ac3f40afdbfe1dff7c9e2fe4af1fa602b59ed
sha512
6942f3fdfc88f0906d6b5d513ae3f5ec4941aa6e84d8af41b8ef387106016096205f5a026d535fec4651a338e259f63bc7ad328049e2ee423d93308e397bbc09
ripemd-160
091cf5173d9068ff2dd20677c418825a32e2393f
Diameter
462979456
Circumference
1454492857.7326
Area
1.6835007800723E+17
Volume
5.1961751688897E+25
Surface area
6.7340031202892E+17
Circumference
1454492857.7326
Perimeter
925958912
Area
53587494169513984
Diagonal
327375912.88766
Surface area
321524965017083904
Volume
1.2404954449502E+25
Space diagonal
400951970.3263
Perimeter
694469184
Area
2.3204065637975E+16
Altitude
200475985.16315
Surface area
2.3204065637975E+16
Volume
1.4619379019256E+24
Height
109125304.29589