28403731 is an odd 8-digits composite number following 28403730
and preceding 28403732 . In scientific notation, it is written as 2.8403731 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 27424264 positive integers (up to 28403731) that are relatively prime to 28403731.
28403731 has 4 divisors, whose sum is 29383200
The reverse of 28403731 is 13730482
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-eight million four hundred three thousand seven hundred thirty-one
Scientific notation
2.8403731 × 10^7
Engineering notation
2.8403731 × 10^6
Prime Factorization
29 × 979439
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28403731
Product of the distinct prime numbers
The prime factorization of 28403731 is 29 × 979439.
Since it has a total of 2 prime factors.
9 , 5 , 67 , 39 , 855 , 461 , 7894 , 1263 , 37344 , 79932 , 141437 , 569863 , 5076322 , 4326027 , 7965094 , 60120619 , 80888812 , 326429297 , 791499370 , 1881338746
n×2
56807462
n×3
85211193
n×4
113614924
n×5
142018655
n÷2
14201865.5
n÷3
9467910.3333333
n÷3
7100932.75
n÷5
5680746.2
n2
806771934720361
n3
2.2915333012147E+22
n4
6.5088095465243E+29
n5
1.8487447548971E+37
2 √n
5329.5150811307
3 √n
305.11142036854
4 √n
73.003527867705
5 √n
30.951028003304
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28403730
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28403731 can be divided by 4 positive divisors.
The sum of these divisors (counting 28403731) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101100010110100000010011
3
Ternary
1222110001121001
4
Quaternary
1230112200103
5
Quinary
24232404411
6
Senary
2452442431
8
Octal
154264023
10
Decimal
28403731
12
Duodecimal
9619417
16
Hexadecimal
1b16813
20
Vigesimal
8ha96b
36
Base36
gwsgj
md5
a62d12f4bbc7d97cc6cb4e91f8bf0ac5
sha1
28e032bcd38158d2084b0c3052a1e1b40b3f8a2a
sha256
7ac44740acaaf6c8f18c83690886407bea69083546bc9c17a5116af99b846ca6
sha512
35531fae521223330e4ac22f64b4dbd8dee3d6ea644f3acc5da5b5cad67c24a3daabe2c93d983ee91a9afcfb0ce61cb98f60437865596b823a959ee3275dec08
ripemd-160
58284ed1f8ea1e49036cc1adae7432bde1c42600
Diameter
56807462
Circumference
178465905.28828
Area
2.5345487832399E+15
Volume
9.5987522460698E+22
Surface area
1.013819513296E+16
Circumference
178465905.28828
Perimeter
113614924
Area
806771934720361
Diagonal
40168941.602197
Surface area
4840631608322166
Volume
2.2915333012147E+22
Space diagonal
49196705.216519
Perimeter
85211193
Area
3.4934249526408E+14
Altitude
24598352.60826
Surface area
3.4934249526408E+14
Volume
2.7005978943395E+21
Height
13389647.200732