28261005 is an odd 8-digits composite number following 28261004
and preceding 28261006 . In scientific notation, it is written as 2.8261005 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 15011840 positive integers (up to 28261005) that are relatively prime to 28261005.
28261005 has 16 divisors, whose sum is 45399744
The reverse of 28261005 is 50016282
Previous prime number is 257
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-eight million two hundred sixty-one thousand five
Scientific notation
2.8261005 × 10^7
Engineering notation
2.8261005 × 10^6
Prime Factorization
5 × 3 × 257 × 7331
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28261005
Product of the distinct prime numbers
The prime factorization of 28261005 is 5 × 3 × 257 × 7331.
Since it has a total of 4 prime factors.
9 , 1 , 5 , 81 , 503 , 539 , 4265 , 765 , 35473 , 36994 , 641169 , 899874 , 1184492 , 937710 , 22010575 , 5012208 , 578894722 , 141487144 , 9603428652 , 789520164
n×2
56522010
n×3
84783015
n×4
113044020
n×5
141305025
n÷2
14130502.5
n÷3
9420335
n÷3
7065251.25
n÷5
5652201
n2
798684403610025
n3
2.2571623923845E+22
n4
6.378967765699E+29
n5
1.8027603992126E+37
2 √n
5316.108068879
3 √n
304.59951018713
4 √n
72.911645632772
5 √n
30.919860109733
1 , 3 , 5 , 15 , 257 , 771 , 1285 , 3855 , 7331 , 21993 , 36655 , 109965 , 1884067 , 5652201 , 9420335 , 28261005
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
-28261004
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 28261005 can be divided by 16 positive divisors.
The sum of these divisors (counting 28261005) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101011110011101010001101
3
Ternary
1222011210210220
4
Quaternary
1223303222031
5
Quinary
24213323010
6
Senary
2445421553
8
Octal
153635215
10
Decimal
28261005
12
Duodecimal
956a8b9
16
Hexadecimal
1af3a8d
20
Vigesimal
8gcca5
36
Base36
gtqbx
md5
36c915a61b3be8c226c945eafe12d9fc
sha1
a033a00ff56297db4d7d398f80e084e77ec9c911
sha256
d22d96398b119097ef89a77d7b09e6c94a620df2c289fe8b4725948cb6c3251d
sha512
d82fdf6edfe4ca8ccb7b695ac68ba05a6c7888489b422da6a487a517b89980eee620b80e626891971b58d8e931d51dc3f30ef3296ae256052500a1b5e3f49fbe
ripemd-160
f67a0c6e59014e0375484962194047265e4e7364
Diameter
56522010
Circumference
177569131.38213
Area
2.509141054918E+15
Volume
9.4547797198324E+22
Surface area
1.0036564219672E+16
Circumference
177569131.38213
Perimeter
113044020
Area
798684403610025
Diagonal
39967096.557294
Surface area
4792106421660150
Volume
2.2571623923845E+22
Space diagonal
48949496.532958
Perimeter
84783015
Area
3.4584049156635E+14
Altitude
24474748.266479
Surface area
3.4584049156635E+14
Volume
2.6600913898239E+21
Height
13322365.519098