28853987 is an odd 8-digits prime number following 28853986
and preceding 28853988 . In scientific notation, it is written as 2.8853987 × 10^7.
The sum of its digits is 50. It has a total of 1 prime factors and 2 positive divisors.
There are 28853986 positive integers (up to 28853987) that are relatively prime to 28853987.
28853987 has 2 divisors, whose sum is 28853988
The reverse of 28853987 is 78935882
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 50 Digital Root 5
Name
twenty-eight million eight hundred fifty-three thousand nine hundred eighty-seven
Scientific notation
2.8853987 × 10^7
Engineering notation
2.8853987 × 10^6
Prime Factorization
28853987
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
28853987 Product of the distinct prime numbers
The prime factorization of 28853987 is 28853987.
Since it has a total of 1 prime factors.
7 , 9 , 81 , 3 , 457 , 70 , 8013 , 6822 , 67837 , 93440 , 109136 , 749360 , 8771212 , 4558377 , 13574162 , 31648692 , 531290849 , 198506247 , 5785764039 , 4099959670
n×2
57707974
n×3
86561961
n×4
115415948
n×5
144269935
n÷2
14426993.5
n÷3
9617995.6666667
n÷3
7213496.75
n÷5
5770797.4
n2
832552565796169
n3
2.4022460910299E+22
n4
6.9314377481378E+29
n5
1.9999961467608E+37
2 √n5371.5907327346
3 √n306.71518464132
4 √n73.291136795213
5 √n31.04853880304
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
28853988 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
14426994 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
5371.5908258169 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999306855 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28853987 can be divided by 2 positive divisors.
The sum of these divisors (counting 28853987) is 28853988, the average is 14426994.
Base
System
Value
2
Binary
1101110000100011011100011
3
Ternary
2000021221020012
4
Quaternary
1232010123203
5
Quinary
24341311422
6
Senary
2510235135
8
Octal
156043343
10
Decimal
28853987
12
Duodecimal
97b5aab
16
Hexadecimal
1b846e3
20
Vigesimal
906ej7
36
Base36
h6fvn
md5
726c428d32bfeb1d8ec8a684a8b55078
sha1
a6502c2ee3faf5fc2f09d6af8865cb62c64070e7
sha256
6726be5412e39da73d73595945f7ee529ce8f3d956f7e81ffa7260b956da7246
sha512
3af058ac15233849080d51153bfbb807c7c53b5e05a48c4e5f8c0d233da3055b7edd01b354cbb20ed27f9dfb60cab201ccceed713e65a34ee01c49e55fc4ef40
ripemd-160
6cbd8b094c583f6893ce1ca15454e68ba41e0383
Diameter
57707974
Circumference
181294947.17195
Area
2.6155410244326E+15
Volume
1.0062504895593E+23
Surface area
1.046216409773E+16
Circumference
181294947.17195
Perimeter
115415948
Area
832552565796169
Diagonal
40805699.743937
Surface area
4995315394777014
Volume
2.4022460910299E+22
Space diagonal
49976571.484932
Perimeter
86561961
Area
3.605058359827E+14
Altitude
24988285.742466
Surface area
3.605058359827E+14
Volume
2.8310741684102E+21
Height
13601899.914646