28279871 is an odd 8-digits prime number following 28279870
and preceding 28279872 . In scientific notation, it is written as 2.8279871 × 10^7.
The sum of its digits is 44. It has a total of 1 prime factors and 2 positive divisors.
There are 28279870 positive integers (up to 28279871) that are relatively prime to 28279871.
28279871 has 2 divisors, whose sum is 28279872
The reverse of 28279871 is 17897282
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 44 Digital Root 8
Name
twenty-eight million two hundred seventy-nine thousand eight hundred seventy-one
Scientific notation
2.8279871 × 10^7
Engineering notation
2.8279871 × 10^6
Prime Factorization
28279871
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
28279871 Product of the distinct prime numbers
The prime factorization of 28279871 is 28279871.
Since it has a total of 1 prime factors.
8 , 6 , 25 , 35 , 516 , 730 , 1027 , 3472 , 97010 , 5532 , 539705 , 463110 , 6511408 , 3496691 , 21382016 , 48771122 , 998902718 , 32111205 , 7328286126 , 4856335260
n×2
56559742
n×3
84839613
n×4
113119484
n×5
141399355
n÷2
14139935.5
n÷3
9426623.6666667
n÷3
7069967.75
n÷5
5655974.2
n2
799751103776641
n3
2.2616858046911E+22
n4
6.3960182799196E+29
n5
1.8087857186977E+37
2 √n5317.8821912487
3 √n304.6672748933
4 √n72.923810866196
5 √n30.923987198478
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
28279872 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
14139936 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
5317.8822852711 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999292783 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28279871 can be divided by 2 positive divisors.
The sum of these divisors (counting 28279871) is 28279872, the average is 14139936.
Base
System
Value
2
Binary
1101011111000010000111111
3
Ternary
1222012202200122
4
Quaternary
1223320100333
5
Quinary
24214423441
6
Senary
2450045155
8
Octal
153702077
10
Decimal
28279871
12
Duodecimal
95797bb
16
Hexadecimal
1af843f
20
Vigesimal
8gejdb
36
Base36
gu4vz
md5
8a68455777f6d0ce9120542746260940
sha1
37e0845f0cafb620320b814172f7bcd01d6ef86a
sha256
d2819c4fedfa2ee22025d28a626cfb4e721f17e400b6c69e4d2986590d22759b
sha512
7312a716b9aaa375eba8b8755d1d8a4462f94edd1c61125a44cb05879590ddef85444d0f0c561adc2bdf1b0946bb12e479cf49f7d72738d7d66d64381f31bc27
ripemd-160
7ddf52abde0fd8a722275d526a9b88c8cdd388eb
Diameter
56559742
Circumference
177687669.95613
Area
2.512492192325E+15
Volume
9.4737273449945E+22
Surface area
1.00499687693E+16
Circumference
177687669.95613
Perimeter
113119484
Area
799751103776641
Diagonal
39993777.110362
Surface area
4798506622659846
Volume
2.2616858046911E+22
Space diagonal
48982173.403494
Perimeter
84839613
Area
3.4630238628761E+14
Altitude
24491086.701747
Surface area
3.4630238628761E+14
Volume
2.6654222823507E+21
Height
13331259.036787