28987536 is an even 8-digits composite number following 28987535
and preceding 28987537 . In scientific notation, it is written as 2.8987536 × 10^7.
The sum of its digits is 48. It has a total of 6 prime factors and 20 positive divisors.
There are 9662496 positive integers (up to 28987536) that are relatively prime to 28987536.
28987536 has 20 divisors, whose sum is 74884592
The reverse of 28987536 is 63578982
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 48
Digital Root 3
Name
twenty-eight million nine hundred eighty-seven thousand five hundred thirty-six
Scientific notation
2.8987536 × 10^7
Engineering notation
2.8987536 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 3 × 603907
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
3623442
Product of the distinct prime numbers
The prime factorization of 28987536 is 2 × 2 × 2 × 2 × 3 × 603907.
Since it has a total of 6 prime factors.
5 , 10 , 15 , 35 , 403 , 422 , 2365 , 3304 , 71484 , 82069 , 852129 , 880045 , 1640779 , 5371083 , 55130316 , 58350093 , 888692299 , 845404145 , 945950716 , 54620054
n×2
57975072
n×3
86962608
n×4
115950144
n×5
144937680
n÷2
14493768
n÷3
9662512
n÷3
7246884
n÷5
5797507.2
n2
840277243351296
n3
2.4357566841626E+22
n4
7.0606584569405E+29
n5
2.0467109120427E+37
2 √n
5384.0074294154
3 √n
307.18766090847
4 √n
73.375795937185
5 √n
31.077227010479
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 48 , 603907 , 1207814 , 1811721 , 2415628 , 3623442 , 4831256 , 7246884 , 9662512 , 14493768 , 28987536
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28987535
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28987536 can be divided by 20 positive divisors.
The sum of these divisors (counting 28987536) is 1, the average is 0.05.
Base
System
Value
2
Binary
1101110100101000010010000
3
Ternary
2000112201102110
4
Quaternary
1232211002100
5
Quinary
24410100121
6
Senary
2513145320
8
Octal
156450220
10
Decimal
28987536
12
Duodecimal
985b240
16
Hexadecimal
1ba5090
20
Vigesimal
9138gg
36
Base36
h9axc
md5
5847974a394713d3a1a345f8d5546570
sha1
929884f732307e9703327de4b64d80bef83445f4
sha256
c98d6ae575bbe058a5b47b89f235282d0cee30a4bb3e522e912539bfe95467c3
sha512
d45ea64db76ca9e16ee50f134d56e7664c6d3797ab8b994919425b03059c10e30bbecd98dfdfd8e7f1169e84a37fb44472f7eb818bb3fe4b07fec00a830fa1bc
ripemd-160
f8d0a47801c2336150627fed8358eb749ae73a30
Diameter
57975072
Circumference
182134060.28654
Area
2.6398088146911E+15
Volume
1.0202873739863E+23
Surface area
1.0559235258764E+16
Circumference
182134060.28654
Perimeter
115950144
Area
840277243351296
Diagonal
40994566.550978
Surface area
5041663460107776
Volume
2.4357566841626E+22
Space diagonal
50207885.138232
Perimeter
86962608
Area
3.6385071948209E+14
Altitude
25103942.569116
Surface area
3.6385071948209E+14
Volume
2.8705667811531E+21
Height
13664855.516993