28202281 is an odd 8-digits composite number following 28202280
and preceding 28202282 . In scientific notation, it is written as 2.8202281 × 10^7.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 26656560 positive integers (up to 28202281) that are relatively prime to 28202281.
28202281 has 8 divisors, whose sum is 29790464
The reverse of 28202281 is 18220282
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-eight million two hundred two thousand two hundred eighty-one
Scientific notation
2.8202281 × 10^7
Engineering notation
2.8202281 × 10^6
Prime Factorization
43 × 31 × 21157
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28202281
Product of the distinct prime numbers
The prime factorization of 28202281 is 43 × 31 × 21157.
Since it has a total of 3 prime factors.
2 , 10 , 41 , 86 , 371 , 543 , 3101 , 4354 , 48857 , 28569 , 292130 , 92013 , 2743931 , 7827650 , 36437237 , 93546529 , 55240610 , 986467278 , 2021641517 , 7578909750
n×2
56404562
n×3
84606843
n×4
112809124
n×5
141011405
n÷2
14101140.5
n÷3
9400760.3333333
n÷3
7050570.25
n÷5
5640456.2
n2
795368653602961
n3
2.2431210267502E+22
n4
6.3261129513419E+29
n5
1.7841081509148E+37
2 √n
5310.5819831728
3 √n
304.38838646858
4 √n
72.873740010877
5 √n
30.906999640476
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
-28202280
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 28202281 can be divided by 8 positive divisors.
The sum of these divisors (counting 28202281) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101011100101010100101001
3
Ternary
1222001211020221
4
Quaternary
1223211110221
5
Quinary
24204433111
6
Senary
2444250041
8
Octal
153452451
10
Decimal
28202281
12
Duodecimal
9540921
16
Hexadecimal
1ae5529
20
Vigesimal
8g55e1
36
Base36
gsh0p
md5
bc412c642cb793b5c4361d23d72e52ce
sha1
80a13fa71933456bf499b90218991d2d7c9dc383
sha256
d7ffee974905959b9e62e5ddf5110888802d0f594ebb39f07a6bdf39ec8de1ed
sha512
4cc8280eb1122b0d63a26ce5bb38760b63a2b46cccf1d16766ba80c284854875333be1858f34a9f7ba524f14a9ee53e1aa989fc0b11a46adfe55809128d2bfc9
ripemd-160
b9add552cfd4b9bbb7c60671754ce29fc2404a06
Diameter
56404562
Circumference
177200157.60815
Area
2.4987243190547E+15
Volume
9.3959633850018E+22
Surface area
9.9948972762187E+15
Circumference
177200157.60815
Perimeter
112809124
Area
795368653602961
Diagonal
39884048.280057
Surface area
4772211921617766
Volume
2.2431210267502E+22
Space diagonal
48847783.581334
Perimeter
84606843
Area
3.4440472969699E+14
Altitude
24423891.790667
Surface area
3.4440472969699E+14
Volume
2.6435434817287E+21
Height
13294682.760019