28012208 is an even 8-digits composite number following 28012207
and preceding 28012209 . In scientific notation, it is written as 2.8012208 × 10^7.
The sum of its digits is 23. It has a total of 6 prime factors and 20 positive divisors.
There are 12005184 positive integers (up to 28012208) that are relatively prime to 28012208.
28012208 has 20 divisors, whose sum is 62027280
The reverse of 28012208 is 80221082
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty-eight million twelve thousand two hundred eight
Scientific notation
2.8012208 × 10^7
Engineering notation
2.8012208 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 7 × 250109
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
3501526
Product of the distinct prime numbers
The prime factorization of 28012208 is 2 × 2 × 2 × 2 × 7 × 250109.
Since it has a total of 6 prime factors.
7 , 2 , 3 , 1 , 190 , 883 , 7777 , 5682 , 32979 , 93395 , 415956 , 828190 , 964241 , 7155992 , 17181451 , 41762654 , 942647368 , 859753142 , 5999583281 , 3099699020
n×2
56024416
n×3
84036624
n×4
112048832
n×5
140061040
n÷2
14006104
n÷3
9337402.6666667
n÷3
7003052
n÷5
5602441.6
n2
784683797035264
n3
2.1980725736782E+22
n4
6.1572866132968E+29
n5
1.7247919332729E+37
2 √n
5292.6560439915
3 √n
303.70302253503
4 √n
72.75064291119
5 √n
30.865226512213
1 , 2 , 4 , 7 , 8 , 14 , 16 , 28 , 56 , 112 , 250109 , 500218 , 1000436 , 1750763 , 2000872 , 3501526 , 4001744 , 7003052 , 14006104 , 28012208
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28012207
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28012208 can be divided by 20 positive divisors.
The sum of these divisors (counting 28012208) is 1, the average is 0.05.
Base
System
Value
2
Binary
1101010110110111010110000
3
Ternary
1221201011112012
4
Quaternary
1222312322300
5
Quinary
24132342313
6
Senary
2440222052
8
Octal
152667260
10
Decimal
28012208
12
Duodecimal
946a928
16
Hexadecimal
1ab6eb0
20
Vigesimal
8f1aa8
36
Base36
goecw
md5
d6dff737cfcee906a8f16f43547a2f65
sha1
756bc979a834998cfebb285b7ffbbdfa71be7663
sha256
a2a3e5464ba2b2d80162d218864da032e8b37eb93771da0c9c407a1df9e8fb88
sha512
98b4d7b4bca9cd8d662888349738ace9782d7a39d1af30ffe8503e3fc7da728f397fec9d9ec694714eebf6c9f219c0556c2937c14755ac9e7bc781a317962092
ripemd-160
0bdf6c7e7eb91b23cb5fa7be4df67d64717fee0e
Diameter
56024416
Circumference
176005893.72726
Area
2.4651568521569E+15
Volume
9.2072648660327E+22
Surface area
9.8606274086277E+15
Circumference
176005893.72726
Perimeter
112048832
Area
784683797035264
Diagonal
39615244.465616
Surface area
4708102782211584
Volume
2.1980725736782E+22
Space diagonal
48518567.488187
Perimeter
84036624
Area
3.3977805108529E+14
Altitude
24259283.744094
Surface area
3.3977805108529E+14
Volume
2.5904533706467E+21
Height
13205081.488539