28874865 is an odd 8-digits composite number following 28874864
and preceding 28874866 . In scientific notation, it is written as 2.8874865 × 10^7.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 14497280 positive integers (up to 28874865) that are relatively prime to 28874865.
28874865 has 16 divisors, whose sum is 35925120
The reverse of 28874865 is 56847882
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
twenty-eight million eight hundred seventy-four thousand eight hundred sixty-five
Scientific notation
2.8874865 × 10^7
Engineering notation
2.8874865 × 10^6
Prime Factorization
87 × 5 × 41 × 1619
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28874865
Product of the distinct prime numbers
The prime factorization of 28874865 is 87 × 5 × 41 × 1619.
Since it has a total of 4 prime factors.
5 , 4 , 4 , 80 , 129 , 948 , 8902 , 9337 , 54782 , 80094 , 967046 , 542010 , 8638478 , 3532093 , 94101323 , 99681512 , 896843271 , 501013798 , 1218448739 , 6087700827
n×2
57749730
n×3
86624595
n×4
115499460
n×5
144374325
n÷2
14437432.5
n÷3
9624955
n÷3
7218716.25
n÷5
5774973
n2
833757828768225
n3
2.4074644748376E+22
n4
6.951521170323E+29
n5
2.0072423533772E+37
2 √n
5373.5337534996
3 √n
306.78914386866
4 √n
73.304391092892
5 √n
31.053030687348
1 , 5 , 41 , 87 , 205 , 435 , 1619 , 3567 , 8095 , 17835 , 66379 , 140853 , 331895 , 704265 , 5774973 , 28874865
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
-28874864
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 28874865 can be divided by 16 positive divisors.
The sum of these divisors (counting 28874865) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101110001001100001110001
3
Ternary
2000022222212110
4
Quaternary
1232021201301
5
Quinary
24342443430
6
Senary
2510515533
8
Octal
156114161
10
Decimal
28874865
12
Duodecimal
9805ba9
16
Hexadecimal
1b89871
20
Vigesimal
909735
36
Base36
h6vzl
md5
1c2433f82ea1b2adad4a8cf5ac374eef
sha1
8866bb166c368a743c7a7c53115c4ebefe7821e7
sha256
ca7ec5f512b303a171b7dd770af1d78ae91c6e801a5c6bcd1fd55df25c86cda5
sha512
7f377f439186c6104e4de071c133b2a5ed335d36b0107cb6a716fbe30e90e84bbd0759acaa992924fda47a362d7ea757e73b902683bf49aa0bf713ae8446d3fe
ripemd-160
e258a877f44ef12865d76f94bde94696479fcb4f
Diameter
57749730
Circumference
181426127.51479
Area
2.6193274697312E+15
Volume
1.0084363610571E+23
Surface area
1.0477309878925E+16
Circumference
181426127.51479
Perimeter
115499460
Area
833757828768225
Diagonal
40835225.694692
Surface area
5002546972609350
Volume
2.4074644748376E+22
Space diagonal
50012733.241692
Perimeter
86624595
Area
3.6102773015872E+14
Altitude
25006366.620846
Surface area
3.6102773015872E+14
Volume
2.8372240927056E+21
Height
13611741.898231