28487922 is an even 8-digits composite number following 28487921
and preceding 28487923 . In scientific notation, it is written as 2.8487922 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 9293840 positive integers (up to 28487922) that are relatively prime to 28487922.
28487922 has 16 divisors, whose sum is 58188672
The reverse of 28487922 is 22978482
Previous prime number is 47
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty-eight million four hundred eighty-seven thousand nine hundred twenty-two
Scientific notation
2.8487922 × 10^7
Engineering notation
2.8487922 × 10^6
Prime Factorization
2 × 3 × 47 × 101021
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28487922
Product of the distinct prime numbers
The prime factorization of 28487922 is 2 × 3 × 47 × 101021.
Since it has a total of 4 prime factors.
3 , 6 , 4 , 71 , 28 , 817 , 1037 , 8937 , 64189 , 64169 , 625745 , 165883 , 850118 , 4405283 , 25128873 , 21907829 , 738938935 , 924972630 , 1896267743 , 3529547481
n×2
56975844
n×3
85463766
n×4
113951688
n×5
142439610
n÷2
14243961
n÷3
9495974
n÷3
7121980.5
n÷5
5697584.4
n2
811561699878084
n3
2.3119706404314E+22
n4
6.5863239270901E+29
n5
1.8763068230168E+37
2 √n
5337.4077977985
3 √n
305.41258147555
4 √n
73.05756495941
5 √n
30.969354567246
1 , 2 , 3 , 6 , 47 , 94 , 141 , 282 , 101021 , 202042 , 303063 , 606126 , 4747987 , 9495974 , 14243961 , 28487922
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28487921
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28487922 can be divided by 16 positive divisors.
The sum of these divisors (counting 28487922) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101100101011000011110010
3
Ternary
1222121100002020
4
Quaternary
1230223003302
5
Quinary
24243103142
6
Senary
2454332310
8
Octal
154530362
10
Decimal
28487922
12
Duodecimal
965a096
16
Hexadecimal
1b2b0f2
20
Vigesimal
8i0jg2
36
Base36
gylf6
md5
45aa7a85397f220dfc4ffeeebe262186
sha1
fe5985a90ac05debceca0795816a028c6595018f
sha256
0c7f43424040f7549af599ced7dea662ff09aaf4f456b7cbba6feb19c0d5e769
sha512
fceffc72e93d23b68837e13aae4bb0c6e1f5f0456e4f5f878bb8fced8e0211247478938f158e2b0c880b37087c770068db4427180f98a9f438851c5b6803b84e
ripemd-160
582db38e1cbe0f877ddcc9c4a9a4e2f191167cde
Diameter
56975844
Circumference
178994892.94248
Area
2.5495962742718E+15
Volume
9.6843599723929E+22
Surface area
1.0198385097087E+16
Circumference
178994892.94248
Perimeter
113951688
Area
811561699878084
Diagonal
40288005.656227
Surface area
4869370199268504
Volume
2.3119706404314E+22
Space diagonal
49342528.306059
Perimeter
85463766
Area
3.5141652441645E+14
Altitude
24671264.15303
Surface area
3.5141652441645E+14
Volume
2.7246835295888E+21
Height
13429335.218742