28697866 is an even 8-digits composite number following 28697865
and preceding 28697867 . In scientific notation, it is written as 2.8697866 × 10^7.
The sum of its digits is 52. It has a total of 4 prime factors and 16 positive divisors.
There are 13225680 positive integers (up to 28697866) that are relatively prime to 28697866.
28697866 has 16 divisors, whose sum is 46539360
The reverse of 28697866 is 66879682
Previous prime number is 37
Is Prime? no
Number parity even
Number length 8
Sum of Digits 52
Digital Root 7
Name
twenty-eight million six hundred ninety-seven thousand eight hundred sixty-six
Scientific notation
2.8697866 × 10^7
Engineering notation
2.8697866 × 10^6
Prime Factorization
2 × 19 × 37 × 20411
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28697866
Product of the distinct prime numbers
The prime factorization of 28697866 is 2 × 19 × 37 × 20411.
Since it has a total of 4 prime factors.
1 , 6 , 33 , 18 , 535 , 939 , 7574 , 7906 , 98405 , 55038 , 597895 , 217233 , 1619495 , 9118484 , 53629680 , 26427863 , 97871980 , 119385290 , 4832610736 , 8164736683
n×2
57395732
n×3
86093598
n×4
114791464
n×5
143489330
n÷2
14348933
n÷3
9565955.3333333
n÷3
7174466.5
n÷5
5739573.2
n2
823567512953956
n3
2.3634630128706E+22
n4
6.7826344839316E+29
n5
1.9464713554685E+37
2 √n
5357.0389208965
3 √n
306.16100004391
4 √n
73.191795447963
5 √n
31.014866824601
1 , 2 , 19 , 37 , 38 , 74 , 703 , 1406 , 20411 , 40822 , 387809 , 755207 , 775618 , 1510414 , 14348933 , 28697866
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
-28697865
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 28697866 can be divided by 16 positive divisors.
The sum of these divisors (counting 28697866) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101101011110010100001010
3
Ternary
2000000000001221
4
Quaternary
1231132110022
5
Quinary
24321312431
6
Senary
2503032254
8
Octal
155362412
10
Decimal
28697866
12
Duodecimal
973b68a
16
Hexadecimal
1b5e50a
20
Vigesimal
8j74d6
36
Base36
h33ey
md5
134462c140608495c2148f873efcbd35
sha1
941904e7b6c8650ac9c286cd63b2c71eedd1cec0
sha256
45e897757b2ed8fe573fc18435845f6bde38de68888ed90807a41ced631c59b7
sha512
e7cc36748191cec568cfac9d6badf89a234d716293d1e3821d517492b758027dc3f5c6d8b2a3cf72d3dcd7ae94e127f31af0d7537f6df69ee2cb5dd48fe06b0f
ripemd-160
2589592c2c0f30510a4e925191fc084e4b77d84a
Diameter
57395732
Circumference
180314009.99861
Area
2.5873136484314E+15
Volume
9.9000507176873E+22
Surface area
1.0349254593725E+16
Circumference
180314009.99861
Perimeter
114791464
Area
823567512953956
Diagonal
40584911.308366
Surface area
4941405077723736
Volume
2.3634630128706E+22
Space diagonal
49706161.980803
Perimeter
86093598
Area
3.5661519397485E+14
Altitude
24853080.990402
Surface area
3.5661519397485E+14
Volume
2.785367872474E+21
Height
13528303.769455