28207871 is an odd 8-digits composite number following 28207870
and preceding 28207872 . In scientific notation, it is written as 2.8207871 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 27137880 positive integers (up to 28207871) that are relatively prime to 28207871.
28207871 has 8 divisors, whose sum is 29297664
The reverse of 28207871 is 17870282
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-eight million two hundred seven thousand eight hundred seventy-one
Scientific notation
2.8207871 × 10^7
Engineering notation
2.8207871 × 10^6
Prime Factorization
67 × 43 × 9791
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28207871
Product of the distinct prime numbers
The prime factorization of 28207871 is 67 × 43 × 9791.
Since it has a total of 3 prime factors.
6 , 9 , 84 , 2 , 891 , 746 , 5251 , 444 , 15428 , 57009 , 526845 , 927189 , 7148826 , 4695737 , 43014567 , 78316288 , 940685594 , 531843571 , 3745337553 , 6301976386
n×2
56415742
n×3
84623613
n×4
112831484
n×5
141039355
n÷2
14103935.5
n÷3
9402623.6666667
n÷3
7051967.75
n÷5
5641574.2
n2
795683986352641
n3
2.2444551243801E+22
n4
6.3311300613803E+29
n5
1.7858770005564E+37
2 √n
5311.1082647598
3 √n
304.4084961738
4 √n
72.87735083522
5 √n
30.9082247643
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28207870
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28207871 can be divided by 8 positive divisors.
The sum of these divisors (counting 28207871) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101011100110101011111111
3
Ternary
1222002002220222
4
Quaternary
1223212223333
5
Quinary
24210122441
6
Senary
2444331555
8
Octal
153465377
10
Decimal
28207871
12
Duodecimal
9543bbb
16
Hexadecimal
1ae6aff
20
Vigesimal
8g5jdb
36
Base36
gslbz
md5
af72309fc20efb50657f9e2f37820b11
sha1
255fb777c10909579136f4a7adcd849f0e3b8e25
sha256
914ce19cd824a1c4cdd40d2a642e78b27bfb31aa16911420efd51de86402757f
sha512
e60b771e624d692475cbf1cf48eb6b673e5e7fcee6e25b23dd3490737611e0eab7cb1d0bd041b684b665a17511ba4d8caa1e76b3eb60dc297d446d6656f15b4a
ripemd-160
d214593e08312c1e45b023051d8dfa173734ca00
Diameter
56415742
Circumference
177235280.61402
Area
2.4997149661045E+15
Volume
9.401551640086E+22
Surface area
9.998859864418E+15
Circumference
177235280.61402
Perimeter
112831484
Area
795683986352641
Diagonal
39891953.733871
Surface area
4774103918115846
Volume
2.2444551243801E+22
Space diagonal
48857465.745349
Perimeter
84623613
Area
3.4454127278293E+14
Altitude
24428732.872674
Surface area
3.4454127278293E+14
Volume
2.6451157308634E+21
Height
13297317.91129