28705384 is an even 8-digits composite number following 28705383
and preceding 28705385 . In scientific notation, it is written as 2.8705384 × 10^7.
The sum of its digits is 37. It has a total of 6 prime factors and 32 positive divisors.
There are 13340416 positive integers (up to 28705384) that are relatively prime to 28705384.
28705384 has 32 divisors, whose sum is 57697920
The reverse of 28705384 is 48350782
Previous prime number is 83
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-eight million seven hundred five thousand three hundred eighty-four
Scientific notation
2.8705384 × 10^7
Engineering notation
2.8705384 × 10^6
Prime Factorization
2 × 2 × 2 × 17 × 83 × 2543
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
7176346
Product of the distinct prime numbers
The prime factorization of 28705384 is 2 × 2 × 2 × 17 × 83 × 2543.
Since it has a total of 6 prime factors.
3 , 10 , 67 , 82 , 633 , 138 , 1254 , 9463 , 90797 , 41526 , 319108 , 352217 , 8733581 , 1250266 , 66486886 , 14911918 , 238184584 , 56253997 , 5172173267 , 6654885670
n×2
57410768
n×3
86116152
n×4
114821536
n×5
143526920
n÷2
14352692
n÷3
9568461.3333333
n÷3
7176346
n÷5
5741076.8
n2
823999070587456
n3
2.3653209736856E+22
n4
6.7897446832899E+29
n5
1.949022283958E+37
2 √n
5357.7405685606
3 √n
306.18773277999
4 √n
73.196588503568
5 √n
31.016491651612
1 , 2 , 4 , 8 , 17 , 34 , 68 , 83 , 136 , 166 , 332 , 664 , 1411 , 2543 , 2822 , 5086 , 5644 , 10172 , 11288 , 20344 , 43231 , 86462 , 172924 , 211069 , 345848 , 422138 , 844276 , 1688552 , 3588173 , 7176346 , 14352692 , 28705384
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28705383
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28705384 can be divided by 32 positive divisors.
The sum of these divisors (counting 28705384) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101101100000001001101000
3
Ternary
2000000101101101
4
Quaternary
1231200021220
5
Quinary
24322033014
6
Senary
2503131144
8
Octal
155401150
10
Decimal
28705384
12
Duodecimal
9743ab4
16
Hexadecimal
1b60268
20
Vigesimal
8j8394
36
Base36
h397s
md5
90747b484a71487f193251d1ae61885d
sha1
d35815c57a76f603a6007bb570d61c95d043e079
sha256
1c1c0a51c0e3cc5ee545059487d1e5f438cb76291a4565e19a4489f7763bd7fe
sha512
c9610c84529da317c2df206b45eded39e023125182968c54653ffc517a0ddac8f367feec4e2db46e1e395cd22235d316c2aa382c9c3f410d4f56dd5e966fdf81
ripemd-160
91c6d72bd7064626beb49e4c1dbf124452ca3fe8
Diameter
57410768
Circumference
180361246.98575
Area
2.5886694267224E+15
Volume
9.9078333257501E+22
Surface area
1.0354677706889E+16
Circumference
180361246.98575
Perimeter
114821536
Area
823999070587456
Diagonal
40595543.365928
Surface area
4943994423524736
Volume
2.3653209736856E+22
Space diagonal
49719183.538775
Perimeter
86116152
Area
3.5680206391175E+14
Altitude
24859591.769387
Surface area
3.5680206391175E+14
Volume
2.7875575002931E+21
Height
13531847.788643