145215 is an odd 6-digits composite number following 145214
and preceding 145216 . In scientific notation, it is written as 1.45215 × 10^5.
The sum of its digits is 18. It has a total of 5 prime factors and 24 positive divisors.
There are 66240 positive integers (up to 145215) that are relatively prime to 145215.
145215 has 24 divisors, whose sum is 288288
The reverse of 145215 is 512541
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 18
Digital Root 9
Name
one hundred forty-five thousand two hundred fifteen
Scientific notation
1.45215 × 10^5
Engineering notation
1.45215 × 10^3
Prime Factorization
7 × 3 × 5 × 3 × 461
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
48405
Product of the distinct prime numbers
The prime factorization of 145215 is 7 × 3 × 5 × 3 × 461.
Since it has a total of 5 prime factors.
10 , 6 , 74 , 19 , 739 , 932 , 9268 , 6307 , 84155 , 83267 , 409869 , 46793 , 8445620 , 6011996 , 42734696 , 89711833 , 624601771 , 169634778 , 2336086563 , 3573309875
n×2
290430
n×3
435645
n×4
580860
n×5
726075
n÷2
72607.5
n÷3
48405
n÷3
36303.75
n÷5
29043
n2
21087396225
n3
3062206242813375
n4
4.4467827955014E+20
n5
6.4573956364874E+25
2 √n
381.07085955239
3 √n
52.561831910741
4 √n
19.521036333976
5 √n
10.774628272949
1 , 3 , 5 , 7 , 9 , 15 , 21 , 35 , 45 , 63 , 105 , 315 , 461 , 1383 , 2305 , 3227 , 4149 , 6915 , 9681 , 16135 , 20745 , 29043 , 48405 , 145215
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
-145214
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 145215 can be divided by 24 positive divisors.
The sum of these divisors (counting 145215) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100011011100111111
3
Ternary
21101012100
4
Quaternary
203130333
5
Quinary
14121330
6
Senary
3040143
8
Octal
433477
10
Decimal
145215
12
Duodecimal
70053
16
Hexadecimal
2373f
20
Vigesimal
i30f
36
Base36
341r
md5
ee9bd8073a31663328cd3d3f3ed824ad
sha1
d8063429a98dc50a2519c01e9185e90f37aeed10
sha256
b7f8f371ea63eb8bb3db0c2b638c6acdbb93777adba12b0e0400324574e1704d
sha512
1e7d60de5e69c77f523f25b2c83f35adbd312354346a392cf03d89a6dce693c1c17620285079b43f6abf299e5e88a401d202f37d2a51d0ea727c5039ea48d0c9
ripemd-160
e3d5d300279f9a276756090fa9c6c2eb969e192a
Diameter
290430
Circumference
912412.75438208
Area
66248009063.797
Volume
1.2826939514932E+16
Surface area
264992036255.19
Circumference
912412.75438208
Perimeter
580860
Area
21087396225
Diagonal
205365.02246001
Surface area
126524377350
Volume
3062206242813375
Space diagonal
251519.75802111
Perimeter
435645
Area
9131110415.259
Altitude
125759.87901056
Surface area
9131110415.259
Volume
3.6088446661419E+14
Height
68455.00748667