28743045 is an odd 8-digits composite number following 28743044
and preceding 28743046 . In scientific notation, it is written as 2.8743045 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 14834880 positive integers (up to 28743045) that are relatively prime to 28743045.
28743045 has 16 divisors, whose sum is 47473152
The reverse of 28743045 is 54034782
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-eight million seven hundred forty-three thousand forty-five
Scientific notation
2.8743045 × 10^7
Engineering notation
2.8743045 × 10^6
Prime Factorization
3 × 5 × 31 × 61813
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28743045
Product of the distinct prime numbers
The prime factorization of 28743045 is 3 × 5 × 31 × 61813.
Since it has a total of 4 prime factors.
3 , 3 , 27 , 89 , 16 , 283 , 1811 , 2700 , 67541 , 80087 , 123000 , 930935 , 8528911 , 8822994 , 94115930 , 5377484 , 212672073 , 2065451 , 6234417402 , 7135978287
n×2
57486090
n×3
86229135
n×4
114972180
n×5
143715225
n÷2
14371522.5
n÷3
9581015
n÷3
7185761.25
n÷5
5748609
n2
826162635872025
n3
2.3746429820188E+22
n4
6.8254470091101E+29
n5
1.9618413052797E+37
2 √n
5361.2540510593
3 √n
306.3215787152
4 √n
73.220584886078
5 √n
31.024626011051
1 , 3 , 5 , 15 , 31 , 93 , 155 , 465 , 61813 , 185439 , 309065 , 927195 , 1916203 , 5748609 , 9581015 , 28743045
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
-28743044
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 28743045 can be divided by 16 positive divisors.
The sum of these divisors (counting 28743045) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101101101001010110000101
3
Ternary
2000002022001020
4
Quaternary
1231221112011
5
Quinary
24324234140
6
Senary
2504021353
8
Octal
155512605
10
Decimal
28743045
12
Duodecimal
9761859
16
Hexadecimal
1b69585
20
Vigesimal
8jchc5
36
Base36
h429x
md5
5ba5c3f66845baf7f3a29a4d6e701989
sha1
866dd85ddb20e7031a7a895f7cf4094f04bc6ff1
sha256
8e6c8b75a98c2ac4beccc3aa9da8a842852d1b48b3066575412ab73173e87d35
sha512
50ed78161c1308135dc80fd0b1f4fa1f95be4431951a460e0e60607107ed7435abab4b4c58b08355decaabff761942c3de7422e3ba7b29930eeaa45823e59179
ripemd-160
6b0db66b8e200d27aaba1b6174f0d36f21335257
Diameter
57486090
Circumference
180597878.0276
Area
2.5954664675259E+15
Volume
9.9468812629452E+22
Surface area
1.0381865870104E+16
Circumference
180597878.0276
Perimeter
114972180
Area
826162635872025
Diagonal
40648804.0629
Surface area
4956975815232150
Volume
2.3746429820188E+22
Space diagonal
49784414.304239
Perimeter
86229135
Area
3.5773891516134E+14
Altitude
24892207.152119
Surface area
3.5773891516134E+14
Volume
2.7985435924709E+21
Height
13549601.3543