28999745 is an odd 8-digits composite number following 28999744
and preceding 28999746 . In scientific notation, it is written as 2.8999745 × 10^7.
The sum of its digits is 53. It has a total of 3 prime factors and 8 positive divisors.
There are 22761856 positive integers (up to 28999745) that are relatively prime to 28999745.
28999745 has 8 divisors, whose sum is 35456616
The reverse of 28999745 is 54799982
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 53
Digital Root 8
Name
twenty-eight million nine hundred ninety-nine thousand seven hundred forty-five
Scientific notation
2.8999745 × 10^7
Engineering notation
2.8999745 × 10^6
Prime Factorization
5 × 53 × 109433
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28999745
Product of the distinct prime numbers
The prime factorization of 28999745 is 5 × 53 × 109433.
Since it has a total of 3 prime factors.
4 , 7 , 43 , 85 , 313 , 567 , 2208 , 8116 , 42953 , 44397 , 406979 , 297098 , 2106702 , 8033410 , 28412816 , 71443398 , 567631867 , 546440526 , 1345904350 , 5582781023
n×2
57999490
n×3
86999235
n×4
115998980
n×5
144998725
n÷2
14499872.5
n÷3
9666581.6666667
n÷3
7249936.25
n÷5
5799949
n2
840985210065025
n3
2.4388356640657E+22
n4
7.0725612354811E+29
n5
2.0510247232584E+37
2 √n
5385.1411309268
3 √n
307.23078205929
4 √n
73.383520840355
5 √n
31.079844397197
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
-28999744
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 28999745 can be divided by 8 positive divisors.
The sum of these divisors (counting 28999745) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101110101000000001000001
3
Ternary
2000120100011122
4
Quaternary
1232220001001
5
Quinary
24410442440
6
Senary
2513322025
8
Octal
156500101
10
Decimal
28999745
12
Duodecimal
9866315
16
Hexadecimal
1ba8041
20
Vigesimal
914j75
36
Base36
h9kch
md5
62a8dc60d87a141c6fe9fe5356e6fdfb
sha1
26d4b591d2ef7dff6eed4fadf9668811f1ef356f
sha256
e7109a1e75721b7bba209fbb86238336757173cf2550786926f059d88ba5760f
sha512
9bccb44a1256658796b64e0d6268783d4d178bfb81fbc1ad7dd327471bb85ff6319cddc6ff3dbe9a1bf1a33be8e3e99f973ab2b814335242d6eeae072b52d6a2
ripemd-160
684167164556016bccb5c346929f8fb27e57b0cd
Diameter
57999490
Circumference
182210771.69595
Area
2.642032957718E+15
Volume
1.0215770940722E+23
Surface area
1.0568131830872E+16
Circumference
182210771.69595
Perimeter
115998980
Area
840985210065025
Diagonal
41011832.684361
Surface area
5045911260390150
Volume
2.4388356640657E+22
Space diagonal
50229031.746542
Perimeter
86999235
Area
3.6415727806165E+14
Altitude
25114515.873271
Surface area
3.6415727806165E+14
Volume
2.8741953937674E+21
Height
13670610.894787