28687533 is an odd 8-digits composite number following 28687532
and preceding 28687534 . In scientific notation, it is written as 2.8687533 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 16358400 positive integers (up to 28687533) that are relatively prime to 28687533.
28687533 has 8 divisors, whose sum is 30116856
The reverse of 28687533 is 33578682
Previous prime number is 601
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty-eight million six hundred eighty-seven thousand five hundred thirty-three
Scientific notation
2.8687533 × 10^7
Engineering notation
2.8687533 × 10^6
Prime Factorization
21 × 601 × 2273
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28687533
Product of the distinct prime numbers
The prime factorization of 28687533 is 21 × 601 × 2273.
Since it has a total of 3 prime factors.
9 , 3 , 10 , 42 , 940 , 84 , 2681 , 6338 , 50258 , 88609 , 967429 , 805284 , 3714930 , 9219888 , 79112316 , 53142534 , 828267648 , 319941148 , 52440788 , 6304496228
n×2
57375066
n×3
86062599
n×4
114750132
n×5
143437665
n÷2
14343766.5
n÷3
9562511
n÷3
7171883.25
n÷5
5737506.6
n2
822974549626089
n3
2.3609109550559E+22
n4
6.7728710933226E+29
n5
1.9429696299444E+37
2 √n
5356.0744020224
3 √n
306.12425002469
4 √n
73.18520616916
5 √n
31.012633050247
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28687532
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28687533 can be divided by 8 positive divisors.
The sum of these divisors (counting 28687533) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101101011011110010101101
3
Ternary
1222222110220020
4
Quaternary
1231123302231
5
Quinary
24321000113
6
Senary
2502512353
8
Octal
155336255
10
Decimal
28687533
12
Duodecimal
97356b9
16
Hexadecimal
1b5bcad
20
Vigesimal
8j5igd
36
Base36
h2vfx
md5
02bf30828c7c68aa8ff5e4569fae272a
sha1
78b28c521bf16057c4d1438fc253cdb100a3ffcc
sha256
a89d047a76c518be228f64caccb2577b07805a93de65d7de51b039b8aa23bfe1
sha512
fec4857de705c0fdd0f5a0b99404b2f3257f3e42cbddf3fdff562f23e1d96a40ea54f50cbf924974505423f29a7b816a865e1d1f384d7484b83e25981b4343e0
ripemd-160
17ac84ec2d08d1cfb734eef284aa64bdb60ed049
Diameter
57375066
Circumference
180249085.84483
Area
2.5854507991967E+15
Volume
9.8893606829109E+22
Surface area
1.0341803196787E+16
Circumference
180249085.84483
Perimeter
114750132
Area
822974549626089
Diagonal
40570298.239626
Surface area
4937847297756534
Volume
2.3609109550559E+22
Space diagonal
49688264.699809
Perimeter
86062599
Area
3.5635843332213E+14
Altitude
24844132.349904
Surface area
3.5635843332213E+14
Volume
2.782360243496E+21
Height
13523432.746542