28821443 is an odd 8-digits composite number following 28821442
and preceding 28821444 . In scientific notation, it is written as 2.8821443 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 23250816 positive integers (up to 28821443) that are relatively prime to 28821443.
28821443 has 8 divisors, whose sum is 34876512
The reverse of 28821443 is 34412882
Previous prime number is 17
Is Prime? no Number parity odd Number length 8 Sum of Digits 32 Digital Root 5
Name
twenty-eight million eight hundred twenty-one thousand four hundred forty-three
Scientific notation
2.8821443 × 10^7
Engineering notation
2.8821443 × 10^6
Prime Factorization
7 × 17 × 242197
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
28821443 Product of the distinct prime numbers
The prime factorization of 28821443 is 7 × 17 × 242197.
Since it has a total of 3 prime factors.
3 , 1 , 33 , 15 , 478 , 361 , 2399 , 8944 , 88967 , 87785 , 932364 , 267890 , 8954432 , 8838450 , 71467523 , 69437462 , 395022108 , 478788435 , 8695710679 , 4701552293
n×2
57642886
n×3
86464329
n×4
115285772
n×5
144107215
n÷2
14410721.5
n÷3
9607147.6666667
n÷3
7205360.75
n÷5
5764288.6
n2
830675576602249
n3
2.3941268782534E+22
n4
6.9002191356348E+29
n5
1.9887427250521E+37
2 √n5368.5606078352
3 √n306.59982803478
4 √n73.270462041912
5 √n31.041531800357
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
-28821442 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 28821443 can be divided by 8 positive divisors.
The sum of these divisors (counting 28821443) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101101111100011111000011
3
Ternary
2000020021120212
4
Quaternary
1231330133003
5
Quinary
24334241233
6
Senary
2505424335
8
Octal
155743703
10
Decimal
28821443
12
Duodecimal
979b0ab
16
Hexadecimal
1b7c7c3
20
Vigesimal
902dc3
36
Base36
h5qrn
md5
16c44f6ecf6b791d501fefe134a83694
sha1
4f666b65158b4fa0bb5cf5c9a1e202a1d6a8dac7
sha256
1dd9c1dcdf08acefc44b1e56d59c67cd21091d3599b0a421bfb1e0b62ab097bf
sha512
792fe9874d656a671735d8f4c6fc0249f9c6be829c18def6872f2e49aca8f453f71709778e834965caa4689bfc82429ef3d931030ed20be93cd71b8cbdd8bf5d
ripemd-160
d8fb36013995b2b003abbf5f6711298b74605323
Diameter
57642886
Circumference
181090467.18931
Area
2.6096442889701E+15
Volume
1.0028495216644E+23
Surface area
1.043857715588E+16
Circumference
181090467.18931
Perimeter
115285772
Area
830675576602249
Diagonal
40759675.577763
Surface area
4984053459613494
Volume
2.3941268782534E+22
Space diagonal
49920203.62345
Perimeter
86464329
Area
3.5969307582042E+14
Altitude
24960101.811725
Surface area
3.5969307582042E+14
Volume
2.8215055843899E+21
Height
13586558.525921