28906875 is an odd 8-digits composite number following 28906874
and preceding 28906876 . In scientific notation, it is written as 2.8906875 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 22 positive divisors.
There are 15390000 positive integers (up to 28906875) that are relatively prime to 28906875.
28906875 has 22 divisors, whose sum is 39945620
The reverse of 28906875 is 57860982
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty-eight million nine hundred six thousand eight hundred seventy-five
Scientific notation
2.8906875 × 10^7
Engineering notation
2.8906875 × 10^6
Prime Factorization
9 × 225 × 5 × 5 × 571
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5781375
Product of the distinct prime numbers
The prime factorization of 28906875 is 9 × 225 × 5 × 5 × 571.
Since it has a total of 5 prime factors.
5 , 5 , 85 , 69 , 530 , 308 , 4478 , 8128 , 67078 , 60123 , 746382 , 343403 , 9504607 , 4330324 , 71775417 , 37280209 , 218430448 , 826666222 , 3142664146 , 8558073745
n×2
57813750
n×3
86720625
n×4
115627500
n×5
144534375
n÷2
14453437.5
n÷3
9635625
n÷3
7226718.75
n÷5
5781375
n2
835607422265625
n3
2.4154799304505E+22
n4
6.982397641454E+29
n5
2.0183929582181E+37
2 √n
5376.5114154068
3 √n
306.90246842584
4 √n
73.324698536079
5 √n
31.059912569094
1 , 5 , 9 , 25 , 45 , 225 , 571 , 1125 , 2025 , 2855 , 5139 , 5625 , 10125 , 14275 , 25695 , 50625 , 128475 , 642375 , 1156275 , 3211875 , 5781375 , 28906875
22 divisors
τ
Total Divisors
22
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28906874
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.045454545454545
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
22
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28906875 can be divided by 22 positive divisors.
The sum of these divisors (counting 28906875) is 1, the average is 0.045454545454545.
Base
System
Value
2
Binary
1101110010001010101111011
3
Ternary
2000101121210000
4
Quaternary
1232101111323
5
Quinary
24400010000
6
Senary
2511324043
8
Octal
156212573
10
Decimal
28906875
12
Duodecimal
9820623
16
Hexadecimal
1b9157b
20
Vigesimal
90d73f
36
Base36
h7kor
md5
ee7b1f14cae6692c135188c531e7b923
sha1
011a7e5003947de4cf09ee57ae2028a382dd3b93
sha256
354cdcf7ed9d27113c0759b056e262831e7f4ce7d9d6d7fe9e19574186bd3ea4
sha512
4c41e29e2d45a95ade74e91e48be583499bf20b3733778fc59563c10cea1c53e66016e6b8ad8ac9239a5b9077b76db7c90a5c21cf0696312142043d23fc8bfe5
ripemd-160
501b2d73e90d46d5db49ee6dbc335b690be7b872
Diameter
57813750
Circumference
181627252.27648
Area
2.6251381390748E+15
Volume
1.0117938672529E+23
Surface area
1.0500552556299E+16
Circumference
181627252.27648
Perimeter
115627500
Area
835607422265625
Diagonal
40880494.670824
Surface area
5013644533593750
Volume
2.4154799304505E+22
Space diagonal
50068176.188043
Perimeter
86720625
Area
3.6182862763643E+14
Altitude
25034088.094021
Surface area
3.6182862763643E+14
Volume
2.8466703977359E+21
Height
13626831.556941