28731330 is an even 8-digits composite number following 28731329
and preceding 28731331 . In scientific notation, it is written as 2.8731330 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 7661664 positive integers (up to 28731330) that are relatively prime to 28731330.
28731330 has 8 divisors, whose sum is 44054844
The reverse of 28731330 is 03313782
Previous prime number is 45
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-eight million seven hundred thirty-one thousand three hundred thirty
Scientific notation
2.8731330 × 10^7
Engineering notation
2.8731330 × 10^6
Prime Factorization
2 × 45 × 319237
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28731330
Product of the distinct prime numbers
The prime factorization of 28731330 is 2 × 45 × 319237.
Since it has a total of 3 prime factors.
6 , 4 , 93 , 1 , 884 , 577 , 2866 , 7584 , 18098 , 29604 , 106803 , 272500 , 5874485 , 3735942 , 54452276 , 93436026 , 2830811 , 238494511 , 9585221977 , 1126644766
n×2
57462660
n×3
86193990
n×4
114925320
n×5
143656650
n÷2
14365665
n÷3
9577110
n÷3
7182832.5
n÷5
5746266
n2
825489323568900
n3
2.3717406166935E+22
n4
6.8143262332624E+29
n5
1.9578465573552E+37
2 √n
5360.1613781676
3 √n
306.27995653097
4 √n
73.213122991494
5 √n
31.022096614724
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
-28731329
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 28731330 can be divided by 8 positive divisors.
The sum of these divisors (counting 28731330) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101101100110011111000010
3
Ternary
2000001200222100
4
Quaternary
1231212133002
5
Quinary
24323400310
6
Senary
2503451230
8
Octal
155463702
10
Decimal
28731330
12
Duodecimal
9756b16
16
Hexadecimal
1b667c2
20
Vigesimal
8jb86a
36
Base36
h3t8i
md5
f913478b9ecf7d705ce9ae89dbab1f78
sha1
722ba143f422b74138865b22f29fb1f29bb2ef17
sha256
747e7e2ca4860a75c176a3475504cf899a8dfcb24b15ebcc7920fd90b3fa6504
sha512
93eef8d8bfee2c51ff2a1b4c5099165b539f3ad6f44feea1fe453110c8e5cc49104918cca5fc843b65939098f31a70f09dbe870c3e776a3f28d9aa2f5603a5de
ripemd-160
d3bb6d04e8fbb396d43156e068fbdad4a45983be
Diameter
57462660
Circumference
180524270.51173
Area
2.5933511945409E+15
Volume
9.9347238634997E+22
Surface area
1.0373404778163E+16
Circumference
180524270.51173
Perimeter
114925320
Area
825489323568900
Diagonal
40632236.551017
Surface area
4952935941413400
Volume
2.3717406166935E+22
Space diagonal
49764123.329028
Perimeter
86193990
Area
3.5744736238175E+14
Altitude
24882061.664514
Surface area
3.5744736238175E+14
Volume
2.7951231221325E+21
Height
13544078.850339