28888925 is an odd 8-digits composite number following 28888924
and preceding 28888926 . In scientific notation, it is written as 2.8888925 × 10^7.
The sum of its digits is 50. It has a total of 5 prime factors and 24 positive divisors.
There are 21101760 positive integers (up to 28888925) that are relatively prime to 28888925.
28888925 has 24 divisors, whose sum is 38997504
The reverse of 28888925 is 52988882
Previous prime number is 863
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5
Name
twenty-eight million eight hundred eighty-eight thousand nine hundred twenty-five
Scientific notation
2.8888925 × 10^7
Engineering notation
2.8888925 × 10^6
Prime Factorization
5 × 5 × 13 × 863 × 103
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5777785
Product of the distinct prime numbers
The prime factorization of 28888925 is 5 × 5 × 13 × 863 × 103.
Since it has a total of 5 prime factors.
2 , 5 , 77 , 87 , 523 , 997 , 7634 , 7952 , 84592 , 78937 , 958024 , 143006 , 8014627 , 2493177 , 66298039 , 62326896 , 695038897 , 144451708 , 6804129201 , 6854794985
n×2
57777850
n×3
86666775
n×4
115555700
n×5
144444625
n÷2
14444462.5
n÷3
9629641.6666667
n÷3
7222231.25
n÷5
5777785
n2
834569987655625
n3
2.4109829780634E+22
n4
6.9650706429551E+29
n5
2.0121340342403E+37
2 √n
5374.8418581387
3 √n
306.83893059998
4 √n
73.3133129666
5 √n
31.056054220777
1 , 5 , 13 , 25 , 65 , 103 , 325 , 515 , 863 , 1339 , 2575 , 4315 , 6695 , 11219 , 21575 , 33475 , 56095 , 88889 , 280475 , 444445 , 1155557 , 2222225 , 5777785 , 28888925
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28888924
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28888925 can be divided by 24 positive divisors.
The sum of these divisors (counting 28888925) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1101110001100111101011101
3
Ternary
2000100201011012
4
Quaternary
1232030331131
5
Quinary
24343421200
6
Senary
2511105005
8
Octal
156147535
10
Decimal
28888925
12
Duodecimal
9812165
16
Hexadecimal
1b8cf5d
20
Vigesimal
90b265
36
Base36
h76u5
md5
d6cc3463a9bff5ecf23084604da2c679
sha1
25c70da74a52b9edfbafdda364d1cc928436fed1
sha256
a060abccd0cd67fef99899c5a82e76d4203c59810693084daef462cd5c2c804c
sha512
d471b68c78d2c02ce806b87fd8dde43ae8c47efdb87df0359b5f9fa1b2bc7574491eb15e6994ceee980e6ccc817fcc2b66871afccf0971ecd029a5c36dff126f
ripemd-160
8620e4226517e6be5d71c24472188b90c718599d
Diameter
57777850
Circumference
181514469.10021
Area
2.6218789421254E+15
Volume
1.0099101882419E+23
Surface area
1.0487515768502E+16
Circumference
181514469.10021
Perimeter
115555700
Area
834569987655625
Diagonal
40855109.537379
Surface area
5007419925933750
Volume
2.4109829780634E+22
Space diagonal
50037085.876047
Perimeter
86666775
Area
3.6137940527292E+14
Altitude
25018542.938023
Surface area
3.6137940527292E+14
Volume
2.8413706885233E+21
Height
13618369.845793