28215532 is an even 8-digits composite number following 28215531
and preceding 28215533 . In scientific notation, it is written as 2.8215532 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors.
There are 13365216 positive integers (up to 28215532) that are relatively prime to 28215532.
28215532 has 12 divisors, whose sum is 51976120
The reverse of 28215532 is 23551282
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-eight million two hundred fifteen thousand five hundred thirty-two
Scientific notation
2.8215532 × 10^7
Engineering notation
2.8215532 × 10^6
Prime Factorization
2 × 2 × 19 × 371257
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
14107766
Product of the distinct prime numbers
The prime factorization of 28215532 is 2 × 2 × 19 × 371257.
Since it has a total of 4 prime factors.
10 , 5 , 55 , 33 , 802 , 749 , 5531 , 9245 , 14540 , 76927 , 645379 , 844657 , 7666187 , 482272 , 4884200 , 56210629 , 66371753 , 470097402 , 4096158638 , 2661888156
n×2
56431064
n×3
84646596
n×4
112862128
n×5
141077660
n÷2
14107766
n÷3
9405177.3333333
n÷3
7053883
n÷5
5643106.4
n2
796116246043024
n3
2.2462843415947E+22
n4
6.3380107721364E+29
n5
1.7883034575756E+37
2 √n
5311.8294400329
3 √n
304.43605186795
4 √n
72.882298536976
5 √n
30.909903460223
1 , 2 , 4 , 19 , 38 , 76 , 371257 , 742514 , 1485028 , 7053883 , 14107766 , 28215532
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28215531
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28215532 can be divided by 12 positive divisors.
The sum of these divisors (counting 28215532) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101011101000100011101100
3
Ternary
1222002111102201
4
Quaternary
1223220203230
5
Quinary
24210344112
6
Senary
2444431244
8
Octal
153504354
10
Decimal
28215532
12
Duodecimal
9548524
16
Hexadecimal
1ae88ec
20
Vigesimal
8g6igc
36
Base36
gsr8s
md5
98b5fee98e192b0ea8e6923f08744e5d
sha1
03361164d5f6a74ec5cfe0744242787355e65d92
sha256
647155352233427cb6a244aaa6c7353d376a10075931911ed435d9f0ec1d8944
sha512
afc651be8f8c5432abfd0d0d342799a17a3b0a004733e8a52292c3d4d29121ede871575617245ff87cd2e03c1e2565e73bb664ba6b094a6ad27c5c59606a2e99
ripemd-160
0e3b487b4b5a13fa210da8b2a5be1dd67baa6d7b
Diameter
56431064
Circumference
177283416.09666
Area
2.5010729499722E+15
Volume
9.4092138472368E+22
Surface area
1.0004291799889E+16
Circumference
177283416.09666
Perimeter
112862128
Area
796116246043024
Diagonal
39902788.023972
Surface area
4776697476258144
Volume
2.2462843415947E+22
Space diagonal
48870734.986585
Perimeter
84646596
Area
3.4472844671938E+14
Altitude
24435367.493293
Surface area
3.4472844671938E+14
Volume
2.6472714840246E+21
Height
13300929.341324