28421749 is an odd 8-digits prime number following 28421748
and preceding 28421750 . In scientific notation, it is written as 2.8421749 × 10^7.
The sum of its digits is 37. It has a total of 1 prime factors and 2 positive divisors.
There are 28421748 positive integers (up to 28421749) that are relatively prime to 28421749.
28421749 has 2 divisors, whose sum is 28421750
The reverse of 28421749 is 94712482
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 37 Digital Root 1
Name
twenty-eight million four hundred twenty-one thousand seven hundred forty-nine
Scientific notation
2.8421749 × 10^7
Engineering notation
2.8421749 × 10^6
Prime Factorization
28421749
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
28421749 Product of the distinct prime numbers
The prime factorization of 28421749 is 28421749.
Since it has a total of 1 prime factors.
10 , 8 , 28 , 77 , 635 , 122 , 1904 , 8553 , 88959 , 67685 , 629293 , 121915 , 9318384 , 4406256 , 61230794 , 78278774 , 371867518 , 134446402 , 7036176464 , 6426414152
n×2
56843498
n×3
85265247
n×4
113686996
n×5
142108745
n÷2
14210874.5
n÷3
9473916.3333333
n÷3
7105437.25
n÷5
5684349.8
n2
807795816219001
n3
2.2958969931827E+22
n4
6.5253408070092E+29
n5
1.8546159855627E+37
2 √n5331.2052108318
3 √n305.17592287503
4 √n73.015102621525
5 √n30.954953784541
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
28421750 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
14210875 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
5331.2053046192 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999296314 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28421749 can be divided by 2 positive divisors.
The sum of these divisors (counting 28421749) is 28421750, the average is 14210875.
Base
System
Value
2
Binary
1101100011010111001110101
3
Ternary
1222110222022101
4
Quaternary
1230122321311
5
Quinary
24233443444
6
Senary
2453102101
8
Octal
154327165
10
Decimal
28421749
12
Duodecimal
9627931
16
Hexadecimal
1b1ae75
20
Vigesimal
8hce79
36
Base36
gx6d1
md5
da0191cd8ba4fe4713ed814e19e8e492
sha1
7a8b84bfea7b7072169e842d54ac9a8d2907b1b4
sha256
32fcb9d0aaa7201f052d047daf20c55a0f28a02e94e6959f272e5d9b608ab6bd
sha512
00408eec1094637013e7ae774ae6ad09cd8eaf0d11f9228af76ccebd40664546559ea6afedcb9d009a7a7fb9a6523f02e025badba102b850746ef19c728ff709
ripemd-160
c04361d160a1622579c474f561113d83868c7df5
Diameter
56843498
Circumference
178579115.72115
Area
2.5377654018342E+15
Volume
9.617030836242E+22
Surface area
1.0151061607337E+16
Circumference
178579115.72115
Perimeter
113686996
Area
807795816219001
Diagonal
40194422.902164
Surface area
4846774897314006
Volume
2.2958969931827E+22
Space diagonal
49227913.30797
Perimeter
85265247
Area
3.4978584895822E+14
Altitude
24613956.653985
Surface area
3.4978584895822E+14
Volume
2.7057405546421E+21
Height
13398140.967388