28752445 is an odd 8-digits composite number following 28752444
and preceding 28752446 . In scientific notation, it is written as 2.8752445 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 22411584 positive integers (up to 28752445) that are relatively prime to 28752445.
28752445 has 16 divisors, whose sum is 35400960
The reverse of 28752445 is 54425782
Previous prime number is 83
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-eight million seven hundred fifty-two thousand four hundred forty-five
Scientific notation
2.8752445 × 10^7
Engineering notation
2.8752445 × 10^6
Prime Factorization
5 × 79 × 83 × 877
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28752445
Product of the distinct prime numbers
The prime factorization of 28752445 is 5 × 79 × 83 × 877.
Since it has a total of 4 prime factors.
3 , 7 , 46 , 2 , 413 , 38 , 4892 , 2077 , 389 , 4651 , 177040 , 70746 , 2394409 , 1097390 , 96212741 , 12209297 , 691185096 , 188853159 , 8039105221 , 1017481535
n×2
57504890
n×3
86257335
n×4
115009780
n×5
143762225
n÷2
14376222.5
n÷3
9584148.3333333
n÷3
7188111.25
n÷5
5750489
n2
826703093478025
n3
2.3769735226557E+22
n4
6.8343800476614E+29
n5
1.9650513642948E+37
2 √n
5362.1306399602
3 √n
306.35496776643
4 √n
73.226570587186
5 √n
31.02665497731
1 , 5 , 79 , 83 , 395 , 415 , 877 , 4385 , 6557 , 32785 , 69283 , 72791 , 346415 , 363955 , 5750489 , 28752445
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
-28752444
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 28752445 can be divided by 16 positive divisors.
The sum of these divisors (counting 28752445) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101101101011101000111101
3
Ternary
2000002202221101
4
Quaternary
1231223220331
5
Quinary
24330034240
6
Senary
2504133101
8
Octal
155535075
10
Decimal
28752445
12
Duodecimal
9767191
16
Hexadecimal
1b6ba3d
20
Vigesimal
8je125
36
Base36
h49j1
md5
574246b7cb849bea552a2d484c69fa94
sha1
825754713edb2bf4e95ae7a7a34c152f9c767102
sha256
8bf732d1af5cb143b69e672734881dce319abe84014bc777cc7a7db114de7244
sha512
6994392bb794041b4d81f3f40e132d47fb0526030757bc6e2af4f0776f5e423a65f0e27584dccadad69b099366453db8cc92869e3ead3955e8deade7a2b547ab
ripemd-160
385cfdc966c14e2a145ea0b298e826c7b42d3e66
Diameter
57504890
Circumference
180656939.96949
Area
2.5971643651705E+15
Volume
9.9566434087367E+22
Surface area
1.0388657460682E+16
Circumference
180656939.96949
Perimeter
115009780
Area
826703093478025
Diagonal
40662097.670386
Surface area
4960218560868150
Volume
2.3769735226557E+22
Space diagonal
49800695.58183
Perimeter
86257335
Area
3.5797294016958E+14
Altitude
24900347.790915
Surface area
3.5797294016958E+14
Volume
2.8012901609512E+21
Height
13554032.556795