185 is an odd 3-digits composite number following 184
and preceding 186 . In scientific notation, it is written as 1.85 × 10^2.
The sum of its digits is 14. It has a total of 2 prime factors and 4 positive divisors.
There are 144 positive integers (up to 185) that are relatively prime to 185.
185 has 4 divisors, whose sum is 228
The reverse of 185 is 581
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 3
Sum of Digits 14
Digital Root 5
Name
one hundred eighty-five
Scientific notation
1.85 × 10^2
Engineering notation
1.85 × 10^0
Prime Factorization
5 × 37
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
185
Product of the distinct prime numbers
The prime factorization of 185 is 5 × 37.
Since it has a total of 2 prime factors.
5 , 1 , 56 , 69 , 740 , 359 , 9003 , 2480 , 68687 , 89006 , 209316 , 560117 , 6862082 , 1366248 , 36661775 , 82880299 , 786515856 , 533413988 , 7068935956 , 5419447116
n×2
370
n×3
555
n×4
740
n×5
925
n÷2
92.5
n÷3
61.666666666667
n÷3
46.25
n÷5
37
n2
34225
n3
6331625
n4
1171350625
n5
216699865625
2 √n
13.601470508735
3 √n
5.6980192153051
4 √n
3.6880171513613
5 √n
2.8407587017978
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-184
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 185 can be divided by 4 positive divisors.
The sum of these divisors (counting 185) is 1, the average is 0.25.
Base
System
Value
2
Binary
10111001
3
Ternary
20212
4
Quaternary
2321
5
Quinary
1220
6
Senary
505
8
Octal
271
10
Decimal
185
12
Duodecimal
135
16
Hexadecimal
b9
20
Vigesimal
95
36
Base36
55
md5
eecca5b6365d9607ee5a9d336962c534
sha1
cfa2ed2aac6d61f44ca9cba73e1e8946b7cd7d22
sha256
61a229bae1e90331edd986b6bbbe617f7035de88a5bf7c018c3add6c762a6e8d
sha512
831c58f83cbcdb1a9bbc88dd83942ed411b327ddb602b60f8f2d2b129910dd6b7c0b2caa54f3d24f3b84b56456898acadaa976bcb60314f3895657ed8ecc239a
ripemd-160
e0a52ec22d8aa9114c26dcc1dbeba5500fe9c7e1
Diameter
370
Circumference
1162.3892818282
Area
107521.00856911
Volume
26521848.780381
Surface area
430084.03427644
Circumference
1162.3892818282
Perimeter
740
Area
34225
Diagonal
261.62950903902
Surface area
205350
Volume
6331625
Space diagonal
320.42939940024
Perimeter
555
Area
14819.859722261
Altitude
160.21469970012
Surface area
14819.859722261
Volume
746189.16223838
Height
87.209836346341