495 is an odd 3-digits composite number following 494
and preceding 496 . In scientific notation, it is written as 4.95 × 10^2.
The sum of its digits is 18. It has a total of 3 prime factors and 8 positive divisors.
There are 240 positive integers (up to 495) that are relatively prime to 495.
495 has 8 divisors, whose sum is 720
The reverse of 495 is 594
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 3
Sum of Digits 18
Digital Root 9
Name
four hundred ninety-five
Scientific notation
4.95 × 10^2
Engineering notation
4.95 × 10^0
Prime Factorization
9 × 5 × 11
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
495
Product of the distinct prime numbers
The prime factorization of 495 is 9 × 5 × 11.
Since it has a total of 3 prime factors.
3 , 10 , 70 , 69 , 140 , 354 , 8681 , 3595 , 37434 , 34049 , 631969 , 190912 , 2157430 , 6243944 , 77262224 , 31228123 , 77686415 , 877818739 , 4572546426 , 5368521581
n×2
990
n×3
1485
n×4
1980
n×5
2475
n÷2
247.5
n÷3
165
n÷3
123.75
n÷5
99
n2
245025
n3
121287375
n4
60037250625
n5
29718439059375
2 √n
22.248595461287
3 √n
7.9104598934652
4 √n
4.7168416828729
5 √n
3.4587648740223
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
-494
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 495 can be divided by 8 positive divisors.
The sum of these divisors (counting 495) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101111
3
Ternary
200100
4
Quaternary
13233
5
Quinary
3440
6
Senary
2143
8
Octal
757
10
Decimal
495
12
Duodecimal
353
16
Hexadecimal
1ef
20
Vigesimal
14f
36
Base36
dr
md5
35051070e572e47d2c26c241ab88307f
sha1
f1e75747bc4c6d0b16f0d429b76d23f1c06153a9
sha256
ac1270c5058af65025e5b2a3e3014cea69460e7d9f159ae667028e1b6eab433e
sha512
700ad1ab118adba5d6a5b19cf19f492530d5ba5e6a51038f9d5874d8aa3ba33afa2c4653a61201edcd6d02e149617a2651442749f23be5a4663a5b53062d9923
ripemd-160
f665fa288ceba75eb617234efacbed5af87db2a0
Diameter
990
Circumference
3110.1767270539
Area
769768.73994584
Volume
508047368.36425
Surface area
3079074.9597834
Circumference
3110.1767270539
Perimeter
1980
Area
245025
Diagonal
700.03571337468
Surface area
1470150
Volume
121287375
Space diagonal
857.36514974659
Perimeter
1485
Area
106098.93728114
Altitude
428.6825748733
Surface area
106098.93728114
Volume
14293854.222469
Height
233.34523779156