28168515 is an odd 8-digits composite number following 28168514
and preceding 28168516 . In scientific notation, it is written as 2.8168515 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 14984640 positive integers (up to 28168515) that are relatively prime to 28168515.
28168515 has 16 divisors, whose sum is 40164864
The reverse of 28168515 is 51586182
Previous prime number is 947
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-eight million one hundred sixty-eight thousand five hundred fifteen
Scientific notation
2.8168515 × 10^7
Engineering notation
2.8168515 × 10^6
Prime Factorization
15 × 3 × 947 × 661
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28168515
Product of the distinct prime numbers
The prime factorization of 28168515 is 15 × 3 × 947 × 661.
Since it has a total of 4 prime factors.
10 , 1 , 3 , 1 , 356 , 815 , 8008 , 4507 , 42008 , 91606 , 450058 , 200535 , 6021309 , 4504046 , 12833778 , 83068811 , 843184061 , 754768364 , 7447915857 , 3294258444
n×2
56337030
n×3
84505545
n×4
112674060
n×5
140842575
n÷2
14084257.5
n÷3
9389505
n÷3
7042128.75
n÷5
5633703
n2
793465237305225
n3
2.2350737439011E+22
n4
6.2958708281184E+29
n5
1.7734533185991E+37
2 √n
5307.4019067713
3 √n
304.26685867612
4 √n
72.851917660219
5 √n
30.899595232981
1 , 3 , 15 , 45 , 661 , 947 , 1983 , 2841 , 9915 , 14205 , 29745 , 42615 , 625967 , 1877901 , 9389505 , 28168515
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
-28168514
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 28168515 can be divided by 16 positive divisors.
The sum of these divisors (counting 28168515) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101011011101000101000011
3
Ternary
1222000002221100
4
Quaternary
1223131011003
5
Quinary
24202343030
6
Senary
2443425443
8
Octal
153350503
10
Decimal
28168515
12
Duodecimal
9525283
16
Hexadecimal
1add143
20
Vigesimal
8g115f
36
Base36
grqyr
md5
1659d23ebf5409c9265fc946dfd8b0d0
sha1
e0d3ba0f39253696710dc96301205dfde022daa6
sha256
32f3fa0c185105698bec86cbadd6b87b0a7e05e4a60ec64a72d0eb8367047f51
sha512
6d5d62ceb90a2848962125a9ddf325afc0fd5ea2c708c36daa3f522dfb5ff1af277274c1fd35c1f30768971b0723e53e3b15cde569a913f8d55452fa760dc8c5
ripemd-160
9d122925c64ac432f8ee0384fb6131076bb5ee9a
Diameter
56337030
Circumference
176987999.57307
Area
2.492744560397E+15
Volume
9.3622550054281E+22
Surface area
9.9709782415879E+15
Circumference
176987999.57307
Perimeter
112674060
Area
793465237305225
Diagonal
39836295.94491
Surface area
4760791423831350
Volume
2.2350737439011E+22
Space diagonal
48789299.153766
Perimeter
84505545
Area
3.4358052626309E+14
Altitude
24394649.576883
Surface area
3.4358052626309E+14
Volume
2.6340596679408E+21
Height
13278765.31497