28750090 is an even 8-digits composite number following 28750089
and preceding 28750091 . In scientific notation, it is written as 2.8750090 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 11471040 positive integers (up to 28750090) that are relatively prime to 28750090.
28750090 has 16 divisors, whose sum is 51880680
The reverse of 28750090 is 09005782
Previous prime number is 421
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-eight million seven hundred fifty thousand ninety
Scientific notation
2.8750090 × 10^7
Engineering notation
2.8750090 × 10^6
Prime Factorization
2 × 5 × 421 × 6829
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28750090
Product of the distinct prime numbers
The prime factorization of 28750090 is 2 × 5 × 421 × 6829.
Since it has a total of 4 prime factors.
4 , 7 , 44 , 69 , 812 , 304 , 1999 , 784 , 34822 , 45132 , 393223 , 646547 , 8678088 , 3746112 , 6970640 , 47800063 , 409168408 , 780637164 , 3447262712 , 1480691575
n×2
57500180
n×3
86250270
n×4
115000360
n×5
143750450
n÷2
14375045
n÷3
9583363.3333333
n÷3
7187522.5
n÷5
5750018
n2
826567675008100
n3
2.3763895047574E+22
n4
6.832141213683E+29
n5
1.9642467478609E+37
2 √n
5361.9110399185
3 √n
306.34660342677
4 √n
73.225071115831
5 √n
31.026146706334
1 , 2 , 5 , 10 , 421 , 842 , 2105 , 4210 , 6829 , 13658 , 34145 , 68290 , 2875009 , 5750018 , 14375045 , 28750090
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
-28750089
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 28750090 can be divided by 16 positive divisors.
The sum of these divisors (counting 28750090) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101101101011000100001010
3
Ternary
2000002122201011
4
Quaternary
1231223010022
5
Quinary
24330000330
6
Senary
2504114134
8
Octal
155530412
10
Decimal
28750090
12
Duodecimal
976594a
16
Hexadecimal
1b6b10a
20
Vigesimal
8jdf4a
36
Base36
h47pm
md5
028bbb9d28c6c0834e25b73a5948625b
sha1
224208ac6b1d0ff4ff78d11b5f67261027e2217d
sha256
fbbc7185f33031ce61f201fc0a6a21072657c26bd52693b81c34372b61e031cb
sha512
854063e99af6283f638872d150dc893f0213d09d3cf4f4d3038b3469e2d47ab5051d34e7e083625c7be9428d5864b8b7a4d87270d9f57d8cd32db660d5799ec2
ripemd-160
6f8f64796b3c6305c90316dd21b4a2f63e77cc07
Diameter
57500180
Circumference
180642143.06809
Area
2.5967389355002E+15
Volume
9.9541970802848E+22
Surface area
1.0386955742001E+16
Circumference
180642143.06809
Perimeter
115000360
Area
826567675008100
Diagonal
40658767.197447
Surface area
4959406050048600
Volume
2.3763895047574E+22
Space diagonal
49796616.602178
Perimeter
86250270
Area
3.5791430225203E+14
Altitude
24898308.301089
Surface area
3.5791430225203E+14
Volume
2.8006018892575E+21
Height
13552922.399149