28275871 is an odd 8-digits composite number following 28275870
and preceding 28275872 . In scientific notation, it is written as 2.8275871 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 25607712 positive integers (up to 28275871) that are relatively prime to 28275871.
28275871 has 8 divisors, whose sum is 31026240
The reverse of 28275871 is 17857282
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-eight million two hundred seventy-five thousand eight hundred seventy-one
Scientific notation
2.8275871 × 10^7
Engineering notation
2.8275871 × 10^6
Prime Factorization
53 × 13 × 41039
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28275871
Product of the distinct prime numbers
The prime factorization of 28275871 is 53 × 13 × 41039.
Since it has a total of 3 prime factors.
10 , 9 , 19 , 31 , 76 , 146 , 8966 , 2940 , 72765 , 6123 , 789219 , 811030 , 937883 , 3855369 , 55871017 , 99798233 , 76048383 , 197915277 , 8542048615 , 4381016088
n×2
56551742
n×3
84827613
n×4
113103484
n×5
141379355
n÷2
14137935.5
n÷3
9425290.3333333
n÷3
7068967.75
n÷5
5655174.2
n2
799524880808641
n3
2.2607262391036E+22
n4
6.3924003503207E+29
n5
1.8075068768602E+37
2 √n
5317.5060883839
3 √n
304.65290982823
4 √n
72.921232082185
5 √n
30.923112350444
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
-28275870
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 28275871 can be divided by 8 positive divisors.
The sum of these divisors (counting 28275871) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101011110111010010011111
3
Ternary
1222012120012111
4
Quaternary
1223313102133
5
Quinary
24214311441
6
Senary
2450014451
8
Octal
153672237
10
Decimal
28275871
12
Duodecimal
9577427
16
Hexadecimal
1af749f
20
Vigesimal
8ge9db
36
Base36
gu1sv
md5
74f26d3c88ef9186f1542b20d855552e
sha1
67923826d402487860d385110aa0ac2cca2cd4b0
sha256
1e23758e52a04fd6609d344e875d065e5c1c91743405d230c853925c4944e6b7
sha512
67f8448b071d3fe7c4739522384af8b3fb6e1953fee1f214306eabae57cbb6b31498fba32d2f1c12b95eaf8828088e2f4155b15fedb4b5624267ad973ffe2f83
ripemd-160
cef1776de73861a16e629e694a383e57508fbefb
Diameter
56551742
Circumference
177662537.21491
Area
2.5117814919107E+15
Volume
9.4697079260605E+22
Surface area
1.0047125967643E+16
Circumference
177662537.21491
Perimeter
113103484
Area
799524880808641
Diagonal
39988120.256112
Surface area
4797149284851846
Volume
2.2607262391036E+22
Space diagonal
48975245.200263
Perimeter
84827613
Area
3.46204428869E+14
Altitude
24487622.600132
Surface area
3.46204428869E+14
Volume
2.6642914234608E+21
Height
13329373.418704