28208839 is an odd 8-digits composite number following 28208838
and preceding 28208840 . In scientific notation, it is written as 2.8208839 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 28189080 positive integers (up to 28208839) that are relatively prime to 28208839.
28208839 has 4 divisors, whose sum is 28228600
The reverse of 28208839 is 93880282
Previous prime number is 1549
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-eight million two hundred eight thousand eight hundred thirty-nine
Scientific notation
2.8208839 × 10^7
Engineering notation
2.8208839 × 10^6
Prime Factorization
1549 × 18211
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28208839
Product of the distinct prime numbers
The prime factorization of 28208839 is 1549 × 18211.
Since it has a total of 2 prime factors.
5 , 1 , 40 , 68 , 999 , 340 , 403 , 9558 , 57205 , 25466 , 524381 , 732207 , 2674435 , 8201315 , 94529077 , 1375118 , 369058083 , 371642185 , 3334130565 , 1139763641
n×2
56417678
n×3
84626517
n×4
112835356
n×5
141044195
n÷2
14104419.5
n÷3
9402946.3333333
n÷3
7052209.75
n÷5
5641767.8
n2
795738597727921
n3
2.2446861989393E+22
n4
6.33199915914E+29
n5
1.7861834482832E+37
2 √n
5311.199393734
3 √n
304.41197822855
4 √n
72.877976054045
5 √n
30.908436894814
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
-28208838
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 28208839 can be divided by 4 positive divisors.
The sum of these divisors (counting 28208839) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101011100110111011000111
3
Ternary
1222002011020211
4
Quaternary
1223212323013
5
Quinary
24210140324
6
Senary
2444340251
8
Octal
153467307
10
Decimal
28208839
12
Duodecimal
9544687
16
Hexadecimal
1ae6ec7
20
Vigesimal
8g621j
36
Base36
gsm2v
md5
37919539acf436e51d2e6bfb9e9f8469
sha1
f841236426d9abd0cd1fe5f0b11ad4b9d210c363
sha256
2565f7f94d461de39918bfbaeaa401e3686ce66e480a86840a3face9d612f32a
sha512
7fb9f87aee0f4cff2d58a28d8e3fe16b07d3de2d87210b71cfd005b764948daa3e3ec3cbf28aa3d33f53da7508e25370440f5825ff04c2cda840227fc6259ca6
ripemd-160
58ae3954184f75e326853f55d67117107c14745a
Diameter
56417678
Circumference
177241362.73739
Area
2.4998865327999E+15
Volume
9.402519562936E+22
Surface area
9.9995461311995E+15
Circumference
177241362.73739
Perimeter
112835356
Area
795738597727921
Diagonal
39893322.692599
Surface area
4774431586367526
Volume
2.2446861989393E+22
Space diagonal
48859142.37053
Perimeter
84626517
Area
3.4456492020209E+14
Altitude
24429571.185265
Surface area
3.4456492020209E+14
Volume
2.645388054843E+21
Height
13297774.230866