28291212 is an even 8-digits composite number following 28291211
and preceding 28291213 . In scientific notation, it is written as 2.8291212 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors.
There are 9408672 positive integers (up to 28291212) that are relatively prime to 28291212.
28291212 has 24 divisors, whose sum is 55137600
The reverse of 28291212 is 21219282
Previous prime number is 719
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-eight million two hundred ninety-one thousand two hundred twelve
Scientific notation
2.8291212 × 10^7
Engineering notation
2.8291212 × 10^6
Prime Factorization
2 × 2 × 9 × 719 × 1093
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
14145606
Product of the distinct prime numbers
The prime factorization of 28291212 is 2 × 2 × 9 × 719 × 1093.
Since it has a total of 5 prime factors.
10 , 4 , 73 , 21 , 448 , 937 , 2019 , 1103 , 59677 , 84128 , 630390 , 735545 , 8419130 , 7541962 , 83654062 , 43489376 , 964112155 , 436309830 , 9956151684 , 3730507859
n×2
56582424
n×3
84873636
n×4
113164848
n×5
141456060
n÷2
14145606
n÷3
9430404
n÷3
7072803
n÷5
5658242.4
n2
800392676428944
n3
2.2644078892099E+22
n4
6.4062843648109E+29
n5
1.8124154909715E+37
2 √n
5318.9483923046
3 √n
304.70799608078
4 √n
72.931120876514
5 √n
30.926467073261
1 , 2 , 4 , 9 , 18 , 36 , 719 , 1093 , 1438 , 2186 , 2876 , 4372 , 6471 , 9837 , 12942 , 19674 , 25884 , 39348 , 785867 , 1571734 , 3143468 , 7072803 , 14145606 , 28291212
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28291211
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28291212 can be divided by 24 positive divisors.
The sum of these divisors (counting 28291212) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1101011111011000010001100
3
Ternary
1222020100020200
4
Quaternary
1223323002030
5
Quinary
24220304322
6
Senary
2450213500
8
Octal
153730214
10
Decimal
28291212
12
Duodecimal
9584290
16
Hexadecimal
1afb08c
20
Vigesimal
8gg80c
36
Base36
gudn0
md5
b6f4a2db50b7138af0f39ad69a50f04f
sha1
b970c7e1914981f17c217cad70a83a1ace4386d0
sha256
203fc2605db721e3cc6d29c529e1aec583b0901e1c6ebd0f007d0043006a890a
sha512
34dacbf1ed9598bbb04e40e7c268b35ef13385170d4ffef06bd0f09f99fb2a48b5657fd5eaf2f38fd10609ea5ea1d4079b4799712c022ca3f876f3a8854f174d
ripemd-160
c546b4031a9b6388dc562da9403a7a80dbdb937a
Diameter
56582424
Circumference
177758927.5607
Area
2.5145077522562E+15
Volume
9.4851295859633E+22
Surface area
1.0058031009025E+16
Circumference
177758927.5607
Perimeter
113164848
Area
800392676428944
Diagonal
40009815.706372
Surface area
4802356058573664
Volume
2.2644078892099E+22
Space diagonal
49001816.591702
Perimeter
84873636
Area
3.4658019539524E+14
Altitude
24500908.295851
Surface area
3.4658019539524E+14
Volume
2.668630289721E+21
Height
13336605.235457