90405 is an odd 5-digits composite number following 90404
and preceding 90406 . In scientific notation, it is written as 9.0405 × 10^4.
The sum of its digits is 18. It has a total of 4 prime factors and 16 positive divisors.
There are 40320 positive integers (up to 90405) that are relatively prime to 90405.
90405 has 16 divisors, whose sum is 129024
The reverse of 90405 is 50409
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 18
Digital Root 9
Name
ninety thousand four hundred five
Scientific notation
9.0405 × 10^4
Engineering notation
9.0405 × 10^3
Prime Factorization
63 × 5 × 7 × 41
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
90405
Product of the distinct prime numbers
The prime factorization of 90405 is 63 × 5 × 7 × 41.
Since it has a total of 4 prime factors.
9 , 7 , 24 , 30 , 611 , 219 , 2026 , 5351 , 13517 , 11720 , 986580 , 894828 , 5620937 , 7118466 , 1105358 , 91610640 , 97065882 , 637683182 , 3146352184 , 4982148172
n×2
180810
n×3
271215
n×4
361620
n×5
452025
n÷2
45202.5
n÷3
30135
n÷3
22601.25
n÷5
18081
n2
8173064025
n3
738885853180125
n4
6.6798975556749E+19
n5
6.0389613852079E+24
2 √n
300.6742423288
3 √n
44.881167956488
4 √n
17.339960851421
5 √n
9.800280139361
1 , 5 , 7 , 35 , 41 , 63 , 205 , 287 , 315 , 441 , 1435 , 2205 , 2583 , 12915 , 18081 , 90405
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
-90404
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 90405 can be divided by 16 positive divisors.
The sum of these divisors (counting 90405) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10110000100100101
3
Ternary
11121000100
4
Quaternary
112010211
5
Quinary
10343110
6
Senary
1534313
8
Octal
260445
10
Decimal
90405
12
Duodecimal
44399
16
Hexadecimal
16125
20
Vigesimal
b605
36
Base36
1xr9
md5
fcf2bb6bbbd989dd56fcf878aac46a79
sha1
426a20f364b7ad2fba82614368705f60ae56ad7f
sha256
e222c384dd83ac669bcd1da281ffea2e60bab298f8c0673d35bc0b704e345282
sha512
1ca3e2bf9b0c1330a2101ee70db7e43c6884f95599f96429e460faf2ced87eaaddfe113b5077f5b555a8a8a6c30fada24b9b5bd07a645ec769d53f8f7c99db64
ripemd-160
37bd57273cfb3199d981904e265045e970666607
Diameter
180810
Circumference
568031.36769557
Area
25676437898.259
Volume
3.0950378242561E+15
Surface area
102705751593.04
Circumference
568031.36769557
Perimeter
361620
Area
8173064025
Diagonal
127851.97710634
Surface area
49038384150
Volume
738885853180125
Space diagonal
156586.05325826
Perimeter
271215
Area
3539040536.2033
Altitude
78293.026629132
Surface area
3539040536.2033
Volume
87078532884412
Height
42617.325702113