28857515 is an odd 8-digits composite number following 28857514
and preceding 28857516 . In scientific notation, it is written as 2.8857515 × 10^7.
The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors.
There are 22250592 positive integers (up to 28857515) that are relatively prime to 28857515.
28857515 has 16 divisors, whose sum is 35904000
The reverse of 28857515 is 51575882
Previous prime number is 79
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty-eight million eight hundred fifty-seven thousand five hundred fifteen
Scientific notation
2.8857515 × 10^7
Engineering notation
2.8857515 × 10^6
Prime Factorization
5 × 43 × 79 × 1699
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28857515
Product of the distinct prime numbers
The prime factorization of 28857515 is 5 × 43 × 79 × 1699.
Since it has a total of 4 prime factors.
9 , 6 , 75 , 80 , 272 , 450 , 309 , 8814 , 2090 , 20026 , 695254 , 891110 , 7306529 , 7072419 , 56305077 , 82416123 , 178590747 , 881368634 , 4186342996 , 9475298838
n×2
57715030
n×3
86572545
n×4
115430060
n×5
144287575
n÷2
14428757.5
n÷3
9619171.6666667
n÷3
7214378.75
n÷5
5771503
n2
832756171975225
n3
2.4031273724118E+22
n4
6.9348284196283E+29
n5
2.0012191514185E+37
2 √n
5371.9191170382
3 √n
306.72768490193
4 √n
73.293377033932
5 √n
31.049298031828
1 , 5 , 43 , 79 , 215 , 395 , 1699 , 3397 , 8495 , 16985 , 73057 , 134221 , 365285 , 671105 , 5771503 , 28857515
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
-28857514
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 28857515 can be divided by 16 positive divisors.
The sum of these divisors (counting 28857515) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101110000101010010101011
3
Ternary
2000022010001212
4
Quaternary
1232011102223
5
Quinary
24341420030
6
Senary
2510303335
8
Octal
156052253
10
Decimal
28857515
12
Duodecimal
97b7b4b
16
Hexadecimal
1b854ab
20
Vigesimal
9073ff
36
Base36
h6iln
md5
510cb26b4f673d35d3390860cf59a2ff
sha1
851d1e5a940eb1af85d92dd5f1f1bdb8a209d800
sha256
1913200444c374f87ccf9a96436522e19bd4b15eb2ed84a7ef0afe3dddf460d1
sha512
8e6012ec14625126765084b749f633f248c47a2cb1b3492c261ef4aa8ea06f016907442230ea8fee4930b65cd38c562563c5c9a49891ce8c2fd3269957539915
ripemd-160
7b9ab002b4cdbecce9355c6e66afcb3d8615c04a
Diameter
57715030
Circumference
181317114.24971
Area
2.6161806721089E+15
Volume
1.0066196398412E+23
Surface area
1.0464722688436E+16
Circumference
181317114.24971
Perimeter
115430060
Area
832756171975225
Diagonal
40810689.089385
Surface area
4996537031851350
Volume
2.4031273724118E+22
Space diagonal
49982682.160181
Perimeter
86572545
Area
3.6059400004441E+14
Altitude
24991341.08009
Surface area
3.6059400004441E+14
Volume
2.8321127684789E+21
Height
13603563.029795