28207838 is an even 8-digits composite number following 28207837
and preceding 28207839 . In scientific notation, it is written as 2.8207838 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 13565376 positive integers (up to 28207838) that are relatively prime to 28207838.
28207838 has 16 divisors, whose sum is 43953840
The reverse of 28207838 is 83870282
Previous prime number is 89
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-eight million two hundred seven thousand eight hundred thirty-eight
Scientific notation
2.8207838 × 10^7
Engineering notation
2.8207838 × 10^6
Prime Factorization
2 × 37 × 89 × 4283
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28207838
Product of the distinct prime numbers
The prime factorization of 28207838 is 2 × 37 × 89 × 4283.
Since it has a total of 4 prime factors.
3 , 9 , 33 , 50 , 170 , 315 , 668 , 275 , 67670 , 45617 , 386617 , 523302 , 5197335 , 5957424 , 37318306 , 95443822 , 657754760 , 641289531 , 7979822320 , 8798991238
n×2
56415676
n×3
84623514
n×4
112831352
n×5
141039190
n÷2
14103919
n÷3
9402612.6666667
n÷3
7051959.5
n÷5
5641567.6
n2
795682124634244
n3
2.2444472471179E+22
n4
6.3311004346246E+29
n5
1.7858665542162E+37
2 √n
5311.1051580627
3 √n
304.40837746598
4 √n
72.877329520659
5 √n
30.908217532475
1 , 2 , 37 , 74 , 89 , 178 , 3293 , 4283 , 6586 , 8566 , 158471 , 316942 , 381187 , 762374 , 14103919 , 28207838
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
-28207837
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 28207838 can be divided by 16 positive divisors.
The sum of these divisors (counting 28207838) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101011100110101011011110
3
Ternary
1222002002212202
4
Quaternary
1223212223132
5
Quinary
24210122323
6
Senary
2444331502
8
Octal
153465336
10
Decimal
28207838
12
Duodecimal
9543b92
16
Hexadecimal
1ae6ade
20
Vigesimal
8g5jbi
36
Base36
gslb2
md5
2f76ad330dac41e0b68b1027552ee9d0
sha1
629e0d6c737fe8aa7a325591eeb5b25926b6b7f9
sha256
ff7b162767601cb5758c4f4470828faeeceb2ac83211ac92038a6101e9cacfef
sha512
0634ade2fdaa178a8f02cc98136ac05980a328cd1118b8ad9f94b4ef41aff63bb638d0e9b47001a2b5da7289763e7a8c5f50516ba6b21a4043c07d742e75d776
ripemd-160
b2aa5ec13efa39d3a44679493b3e1b74f18ec7f8
Diameter
56415676
Circumference
177235073.2689
Area
2.4997091173437E+15
Volume
9.4015186438871E+22
Surface area
9.9988364693746E+15
Circumference
177235073.2689
Perimeter
112831352
Area
795682124634244
Diagonal
39891907.064823
Surface area
4774092747805464
Volume
2.2444472471179E+22
Space diagonal
48857408.587672
Perimeter
84623514
Area
3.4454046663522E+14
Altitude
24428704.293836
Surface area
3.4454046663522E+14
Volume
2.6451064474209E+21
Height
13297302.354941