28261749 is an odd 8-digits composite number following 28261748
and preceding 28261750 . In scientific notation, it is written as 2.8261749 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 18614000 positive integers (up to 28261749) that are relatively prime to 28261749.
28261749 has 8 divisors, whose sum is 38136672
The reverse of 28261749 is 94716282
Previous prime number is 83
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-eight million two hundred sixty-one thousand seven hundred forty-nine
Scientific notation
2.8261749 × 10^7
Engineering notation
2.8261749 × 10^6
Prime Factorization
3 × 83 × 113501
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28261749
Product of the distinct prime numbers
The prime factorization of 28261749 is 3 × 83 × 113501.
Since it has a total of 3 prime factors.
1 , 9 , 81 , 42 , 353 , 256 , 5621 , 3525 , 13753 , 72995 , 600449 , 980307 , 3456419 , 7745642 , 47555195 , 51302796 , 122564774 , 492393014 , 7768913057 , 2877190396
n×2
56523498
n×3
84785247
n×4
113046996
n×5
141308745
n÷2
14130874.5
n÷3
9420583
n÷3
7065437.25
n÷5
5652349.8
n2
798726456539001
n3
2.2573406634365E+22
n4
6.3796395237535E+29
n5
1.802997709308E+37
2 √n
5316.1780444225
3 √n
304.60218312872
4 √n
72.912125496535
5 √n
30.920022907437
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
-28261748
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 28261749 can be divided by 8 positive divisors.
The sum of these divisors (counting 28261749) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101011110011110101110101
3
Ternary
1222011211211110
4
Quaternary
1223303311311
5
Quinary
24213333444
6
Senary
2445425233
8
Octal
153636565
10
Decimal
28261749
12
Duodecimal
956b219
16
Hexadecimal
1af3d75
20
Vigesimal
8gce79
36
Base36
gtqwl
md5
5b4ff057f70735a6a61b5b187c1b94aa
sha1
6610e6d552291f0386666cbe50c7e6b017c5ffde
sha256
c9a41d41310a42d26c4098eaf5986542a03cae72080c46d4f714daa985f2c748
sha512
4de80895ffac438b535d15a5ecf8cfe71a3de72d0691064b8f77f4d141ba626270fc7674fd7084979e824a2c9beeef24e1916a728981c068bd470aecd915afe1
ripemd-160
d430ce8a0b077ee4c9b5986e7d8766fc156daa25
Diameter
56523498
Circumference
177573806.072
Area
2.5092731680907E+15
Volume
9.4555264598687E+22
Surface area
1.0037092672363E+16
Circumference
177573806.072
Perimeter
113046996
Area
798726456539001
Diagonal
39968148.732184
Surface area
4792358739234006
Volume
2.2573406634365E+22
Space diagonal
48950785.178759
Perimeter
84785247
Area
3.4585870101875E+14
Altitude
24475392.589379
Surface area
3.4585870101875E+14
Volume
2.6603014842734E+21
Height
13322716.244061