28508731 is an odd 8-digits prime number following 28508730
and preceding 28508732 . In scientific notation, it is written as 2.8508731 × 10^7.
The sum of its digits is 34. It has a total of 1 prime factors and 2 positive divisors.
There are 28508730 positive integers (up to 28508731) that are relatively prime to 28508731.
28508731 has 2 divisors, whose sum is 28508732
The reverse of 28508731 is 13780582
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-eight million five hundred eight thousand seven hundred thirty-one
Scientific notation
2.8508731 × 10^7
Engineering notation
2.8508731 × 10^6
Prime Factorization
28508731
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
28508731
Product of the distinct prime numbers
The prime factorization of 28508731 is 28508731.
Since it has a total of 1 prime factors.
3 , 8 , 50 , 48 , 853 , 310 , 1862 , 6617 , 62283 , 86519 , 477535 , 857549 , 1162387 , 8654766 , 69096554 , 68350634 , 802873866 , 674872767 , 8648752134 , 2066795054
n×2
57017462
n×3
85526193
n×4
114034924
n×5
142543655
n÷2
14254365.5
n÷3
9502910.3333333
n÷3
7127182.75
n÷5
5701746.2
n2
812747743230361
n3
2.3170406782611E+22
n4
6.6055889412604E+29
n5
1.8831695822297E+37
2 √n
5339.356796469
3 √n
305.48692624078
4 √n
73.070902529454
5 √n
30.973877558349
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
28508732
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
14254366
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
5339.3568901133
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999298461
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28508731 can be divided by 2 positive divisors.
The sum of these divisors (counting 28508731) is 28508732, the average is 14254366.
Base
System
Value
2
Binary
1101100110000001000111011
3
Ternary
1222122101121221
4
Quaternary
1230300020323
5
Quinary
24244234411
6
Senary
2455012511
8
Octal
154601073
10
Decimal
28508731
12
Duodecimal
966a137
16
Hexadecimal
1b3023b
20
Vigesimal
8i3bgb
36
Base36
gz1h7
md5
1fa01990d6a8a775f9929bb12af049e4
sha1
3f05ec9defcf72a666d5c84a03de99e284d4e475
sha256
95fd17cc8ad788d2cad934f508b0eae423b34e1394aaa3c9d9b59643baf992f4
sha512
96948213ed3f1319b30197436281966bd935efef29d656e8bd0c050aaebb681bbfb3aa0b60b7e1a21880ff98e9611426a981eafdcc2748fede3aabb76a057b5b
ripemd-160
f40f49a21432c6a964138d513bb7799d8e6720b1
Diameter
57017462
Circumference
179125639.74554
Area
2.5533223393542E+15
Volume
9.7055972971919E+22
Surface area
1.0213289357417E+16
Circumference
179125639.74554
Perimeter
114034924
Area
812747743230361
Diagonal
40317434.026246
Surface area
4876486459382166
Volume
2.3170406782611E+22
Space diagonal
49378570.551314
Perimeter
85526193
Area
3.5193009625298E+14
Altitude
24689285.275657
Surface area
3.5193009625298E+14
Volume
2.7306586264726E+21
Height
13439144.675415