7215 is an odd 4-digits composite number following 7214
and preceding 7216 . In scientific notation, it is written as 7.215 × 10^3.
The sum of its digits is 15. It has a total of 3 prime factors and 8 positive divisors.
There are 3456 positive integers (up to 7215) that are relatively prime to 7215.
7215 has 8 divisors, whose sum is 8512
The reverse of 7215 is 5127
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 4
Sum of Digits 15
Digital Root 6
Name
seven thousand two hundred fifteen
Scientific notation
7.215 × 10^3
Engineering notation
7.215 × 10^3
Prime Factorization
15 × 13 × 37
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
7215
Product of the distinct prime numbers
The prime factorization of 7215 is 15 × 13 × 37.
Since it has a total of 3 prime factors.
3 , 1 , 88 , 45 , 158 , 917 , 5896 , 7693 , 15295 , 62657 , 335134 , 914073 , 6373775 , 1461913 , 48792967 , 70711098 , 95205063 , 725170439 , 4133005709 , 6810649125
n×2
14430
n×3
21645
n×4
28860
n×5
36075
n÷2
3607.5
n÷3
2405
n÷3
1803.75
n÷5
1443
n2
52056225
n3
375585663375
n4
2709850561250625
n5
1.9551571799423E+19
2 √n
84.941156102328
3 √n
19.323187965457
4 √n
9.2163526463741
5 √n
5.9108136432903
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
-7214
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 7215 can be divided by 8 positive divisors.
The sum of these divisors (counting 7215) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110000101111
3
Ternary
100220020
4
Quaternary
1300233
5
Quinary
212330
6
Senary
53223
8
Octal
16057
10
Decimal
7215
12
Duodecimal
4213
16
Hexadecimal
1c2f
20
Vigesimal
i0f
36
Base36
5kf
md5
b17446af05919be6e83500be7f5df5c4
sha1
4840676eafae2686ba6059499048d303586c1b34
sha256
44e2740e4e8f1d14b3a36c4208eca571cca80075bfd0b446c580d3d8e1188c2e
sha512
4f4efbb49b264c0acdf82433f815496dbfbd11aae21acbe2590443b198f15775a7b8176ed0948ed5a11e1f7be041e06336ceafa1b744c74a7bdd7f44561d87fa
ripemd-160
d6fabd9ac4d87ad80ac9be6cc1cae8ab8cf7dd18
Diameter
14430
Circumference
45333.181991301
Area
163539454.03362
Volume
1573249547803.4
Surface area
654157816.13447
Circumference
45333.181991301
Perimeter
28860
Area
52056225
Diagonal
10203.550852522
Surface area
312337350
Volume
375585663375
Space diagonal
12496.746576609
Perimeter
21645
Area
22541006.637559
Altitude
6248.3732883047
Surface area
22541006.637559
Volume
44263194914.818
Height
3401.1836175073