775 is an odd 3-digits composite number following 774
and preceding 776 . In scientific notation, it is written as 7.75 × 10^2.
The sum of its digits is 19. It has a total of 3 prime factors and 6 positive divisors.
There are 600 positive integers (up to 775) that are relatively prime to 775.
775 has 6 divisors, whose sum is 992
The reverse of 775 is 577
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 3
Sum of Digits 19
Digital Root 1
Name
seven hundred seventy-five
Scientific notation
7.75 × 10^2
Engineering notation
7.75 × 10^0
Prime Factorization
5 × 5 × 31
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
155
Product of the distinct prime numbers
The prime factorization of 775 is 5 × 5 × 31.
Since it has a total of 3 prime factors.
4 , 6 , 21 , 30 , 279 , 897 , 3120 , 7678 , 89702 , 93104 , 618601 , 472007 , 9886818 , 5237466 , 38017995 , 68022386 , 128432894 , 921532267 , 2755328503 , 2324766697
n×2
1550
n×3
2325
n×4
3100
n×5
3875
n÷2
387.5
n÷3
258.33333333333
n÷3
193.75
n÷5
155
n2
600625
n3
465484375
n4
360750390625
n5
279581552734375
2 √n
27.83882181415
3 √n
9.1854527500711
4 √n
5.2762507345794
5 √n
3.7832090551876
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-774
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 775 can be divided by 6 positive divisors.
The sum of these divisors (counting 775) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1100000111
3
Ternary
1001201
4
Quaternary
30013
5
Quinary
11100
6
Senary
3331
8
Octal
1407
10
Decimal
775
12
Duodecimal
547
16
Hexadecimal
307
20
Vigesimal
1if
36
Base36
lj
md5
c0f168ce8900fa56e57789e2a2f2c9d0
sha1
ccd04939f25266ed88d9dbb3eb298866911b04f4
sha256
54006483f014c53f76d879c033e5589a76e0080d8ced5d818d777344eb78656f
sha512
e54553858d6fb86b747c3bee2a9ec2ef025ead7ff38d52dcbc7738a22c9e8887cf68e2f2cde7a07a8a5bc8422258df51f69d57945bbab699cfbae86a9eba2b1f
ripemd-160
5574efc6e0a19c3d4071c982845dc4578c1e9170
Diameter
1550
Circumference
4869.4686130642
Area
1886919.0875624
Volume
1949816390.4811
Surface area
7547676.3502495
Circumference
4869.4686130642
Perimeter
3100
Area
600625
Diagonal
1096.0155108391
Surface area
3603750
Volume
465484375
Space diagonal
1342.3393758659
Perimeter
2325
Area
260078.25407401
Altitude
671.16968793294
Surface area
260078.25407401
Volume
54857859.683147
Height
365.33850361305