28293855 is an odd 8-digits composite number following 28293854
and preceding 28293856 . In scientific notation, it is written as 2.8293855 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 14380800 positive integers (up to 28293855) that are relatively prime to 28293855.
28293855 has 16 divisors, whose sum is 31629312
The reverse of 28293855 is 55839282
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty-eight million two hundred ninety-three thousand eight hundred fifty-five
Scientific notation
2.8293855 × 10^7
Engineering notation
2.8293855 × 10^6
Prime Factorization
15 × 71 × 31 × 857
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28293855
Product of the distinct prime numbers
The prime factorization of 28293855 is 15 × 71 × 31 × 857.
Since it has a total of 4 prime factors.
6 , 8 , 50 , 84 , 211 , 965 , 95 , 8256 , 85009 , 91363 , 832742 , 186990 , 3291238 , 3634356 , 47864658 , 88125875 , 174422612 , 530420015 , 8595814121 , 7123652352
n×2
56587710
n×3
84881565
n×4
113175420
n×5
141469275
n÷2
14146927.5
n÷3
9431285
n÷3
7073463.75
n÷5
5658771
n2
800542230761025
n3
2.2650425798529E+22
n4
6.4086786323184E+29
n5
1.8132622396441E+37
2 √n
5319.1968378694
3 √n
304.71748451788
4 √n
72.932824145712
5 √n
30.927044889427
1 , 15 , 31 , 71 , 465 , 857 , 1065 , 2201 , 12855 , 26567 , 33015 , 60847 , 398505 , 912705 , 1886257 , 28293855
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
-28293854
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 28293855 can be divided by 16 positive divisors.
The sum of these divisors (counting 28293855) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101011111011101011011111
3
Ternary
1222020110212120
4
Quaternary
1223323223133
5
Quinary
24220400410
6
Senary
2450234023
8
Octal
153735337
10
Decimal
28293855
12
Duodecimal
9585913
16
Hexadecimal
1afbadf
20
Vigesimal
8ggecf
36
Base36
gufof
md5
c078644d09b4369f0c0e838bb5a212cc
sha1
b1193bfb49594d53678666c51f392c460b2b83c9
sha256
32ecf4a01dbd7d8b359e2dbe88869e60e6985a623041b90546bb12c078dd69cb
sha512
450e73cf4742fc9a0e040a92bc3d00a16fba5a4df0cf52a8bd1ae5269234ae3242093319847727ca8e97d021199a1b16666fd7d2853b571b09dbff1693319b8c
ripemd-160
b4d0772fc9b61b8ab0b88144cd538bbf26d90910
Diameter
56587710
Circumference
177775534.01947
Area
2.5149775910472E+15
Volume
9.4877881719119E+22
Surface area
1.0059910364189E+16
Circumference
177775534.01947
Perimeter
113175420
Area
800542230761025
Diagonal
40013553.472818
Surface area
4803253384566150
Volume
2.2650425798529E+22
Space diagonal
49006394.401987
Perimeter
84881565
Area
3.4664495432066E+14
Altitude
24503197.200993
Surface area
3.4664495432066E+14
Volume
2.6693782798171E+21
Height
13337851.157606