28888971 is an odd 8-digits composite number following 28888970
and preceding 28888972 . In scientific notation, it is written as 2.8888971 × 10^7.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 18641664 positive integers (up to 28888971) that are relatively prime to 28888971.
28888971 has 16 divisors, whose sum is 39765024
The reverse of 28888971 is 17988882
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6
Name
twenty-eight million eight hundred eighty-eight thousand nine hundred seventy-one
Scientific notation
2.8888971 × 10^7
Engineering notation
2.8888971 × 10^6
Prime Factorization
3 × 233 × 37 × 1117
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28888971
Product of the distinct prime numbers
The prime factorization of 28888971 is 3 × 233 × 37 × 1117.
Since it has a total of 4 prime factors.
2 , 1 , 98 , 27 , 407 , 948 , 3377 , 4039 , 89999 , 81814 , 334862 , 931389 , 6972149 , 3910924 , 37867793 , 9198698 , 792680589 , 812091096 , 3203431324 , 2138056188
n×2
57777942
n×3
86666913
n×4
115555884
n×5
144444855
n÷2
14444485.5
n÷3
9629657
n÷3
7222242.75
n÷5
5777794.2
n2
834572645438841
n3
2.4109944951476E+22
n4
6.9651150051479E+29
n5
2.0121500539538E+37
2 √n
5374.8461373327
3 √n
306.83909346035
4 √n
73.313342150885
5 √n
31.056064110917
1 , 3 , 37 , 111 , 233 , 699 , 1117 , 3351 , 8621 , 25863 , 41329 , 123987 , 260261 , 780783 , 9629657 , 28888971
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
-28888970
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 28888971 can be divided by 16 positive divisors.
The sum of these divisors (counting 28888971) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101110001100111110001011
3
Ternary
2000100201012220
4
Quaternary
1232030332023
5
Quinary
24343421341
6
Senary
2511105123
8
Octal
156147613
10
Decimal
28888971
12
Duodecimal
98121a3
16
Hexadecimal
1b8cf8b
20
Vigesimal
90b28b
36
Base36
h76vf
md5
3e7446b63ad048a35024084d8d8d4254
sha1
1545389bc8e509479d52082fc70b060977e659f6
sha256
a1af253e1b88312e42a8cb2390d4aa90de1f6158f942404ad3f8757c407ead8a
sha512
30ff204b473b6031ed507199f4d92982a6ed5273ccab995db254763699dea134dbfcb3cc3f10641d0ffe61f2f353bd7eaf95e972d2a88328fad39ca5a81a90e6
ripemd-160
d5e373adfa75a029ad1cb5aec9c62b3c685cba12
Diameter
57777942
Circumference
181514758.12674
Area
2.6218872917977E+15
Volume
1.0099150125068E+23
Surface area
1.0487549167191E+16
Circumference
181514758.12674
Perimeter
115555884
Area
834572645438841
Diagonal
40855174.591203
Surface area
5007435872633046
Volume
2.4109944951476E+22
Space diagonal
50037165.550384
Perimeter
86666913
Area
3.6138055612681E+14
Altitude
25018582.775192
Surface area
3.6138055612681E+14
Volume
2.8413842615372E+21
Height
13618391.530401