28215530 is an even 8-digits composite number following 28215529
and preceding 28215531 . In scientific notation, it is written as 2.8215530 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors.
There are 9673872 positive integers (up to 28215530) that are relatively prime to 28215530.
28215530 has 16 divisors, whose sum is 58043520
The reverse of 28215530 is 03551282
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-eight million two hundred fifteen thousand five hundred thirty
Scientific notation
2.8215530 × 10^7
Engineering notation
2.8215530 × 10^6
Prime Factorization
2 × 5 × 7 × 403079
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28215530
Product of the distinct prime numbers
The prime factorization of 28215530 is 2 × 5 × 7 × 403079.
Since it has a total of 4 prime factors.
8 , 9 , 92 , 94 , 622 , 651 , 6421 , 9335 , 67922 , 24911 , 527894 , 537251 , 7488524 , 1948870 , 91725704 , 72634113 , 226763575 , 40773547 , 1742368566 , 7493911044
n×2
56431060
n×3
84646590
n×4
112862120
n×5
141077650
n÷2
14107765
n÷3
9405176.6666667
n÷3
7053882.5
n÷5
5643106
n2
796116133180900
n3
2.246283863925E+22
n4
6.3380089751091E+29
n5
1.7883028237746E+37
2 √n
5311.8292517738
3 √n
304.43604467484
4 √n
72.882297245448
5 √n
30.909903022026
1 , 2 , 5 , 7 , 10 , 14 , 35 , 70 , 403079 , 806158 , 2015395 , 2821553 , 4030790 , 5643106 , 14107765 , 28215530
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28215529
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28215530 can be divided by 16 positive divisors.
The sum of these divisors (counting 28215530) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101011101000100011101010
3
Ternary
1222002111102122
4
Quaternary
1223220203222
5
Quinary
24210344110
6
Senary
2444431242
8
Octal
153504352
10
Decimal
28215530
12
Duodecimal
9548522
16
Hexadecimal
1ae88ea
20
Vigesimal
8g6iga
36
Base36
gsr8q
md5
3cabe631f0990c1545d84096c5e58f4c
sha1
5535b48f3284367077f812b305bb482f0ca5661e
sha256
9f33d39c131ed5650617a2d1a5bcc44c8dffa7d3ed58f10743cd8c8eb92fc454
sha512
78b131eda06af5f50431dc6a7ce9f3585a0492686dabd1b6f7c1e3b1e5823c106cb80c95b07b321add0051d1a05f4e79a854a1e4ff548b5477fc04f48601732e
ripemd-160
d982bdf8a93f4ef9052a3610d93a09684ae71071
Diameter
56431060
Circumference
177283403.53028
Area
2.5010725954054E+15
Volume
9.4092118463786E+22
Surface area
1.0004290381622E+16
Circumference
177283403.53028
Perimeter
112862120
Area
796116133180900
Diagonal
39902785.195545
Surface area
4776696799085400
Volume
2.246283863925E+22
Space diagonal
48870731.522484
Perimeter
84646590
Area
3.4472839784865E+14
Altitude
24435365.761242
Surface area
3.4472839784865E+14
Volume
2.6472709210854E+21
Height
13300928.398515