1361 is an odd 4-digits prime number following 1360
and preceding 1362 . In scientific notation, it is written as 1.361 × 10^3.
The sum of its digits is 11. It has a total of 1 prime factors and 2 positive divisors.
There are 1360 positive integers (up to 1361) that are relatively prime to 1361.
1361 has 2 divisors, whose sum is 1362
The reverse of 1361 is 1631
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 4
Sum of Digits 11
Digital Root 2
Name
one thousand three hundred sixty-one
Scientific notation
1.361 × 10^3
Engineering notation
1.361 × 10^3
Prime Factorization
1361
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
1361
Product of the distinct prime numbers
The prime factorization of 1361 is 1361.
Since it has a total of 1 prime factors.
3 , 5 , 4 , 74 , 61 , 91 , 9226 , 6110 , 29462 , 12678 , 826719 , 656856 , 9375230 , 7975440 , 82610827 , 5332146 , 190132299 , 338730685 , 24698149 , 538237649
n×2
2722
n×3
4083
n×4
5444
n×5
6805
n÷2
680.5
n÷3
453.66666666667
n÷3
340.25
n÷5
272.2
n2
1852321
n3
2521008881
n4
3431093087041
n5
4669717691462801
2 √n
36.891733491393
3 √n
11.082031366966
4 √n
6.0738565583485
5 √n
4.2342025078225
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
1362
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
681
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
36.905284174492
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9985315712188
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1361 can be divided by 2 positive divisors.
The sum of these divisors (counting 1361) is 1362, the average is 681.
Base
System
Value
2
Binary
10101010001
3
Ternary
1212102
4
Quaternary
111101
5
Quinary
20421
6
Senary
10145
8
Octal
2521
10
Decimal
1361
12
Duodecimal
955
16
Hexadecimal
551
20
Vigesimal
381
36
Base36
11t
md5
cf9a242b70f45317ffd281241fa66502
sha1
2b8c5c3d26a90dd3ae49b5001f6c2d3139bb6fc8
sha256
2ee1a4c2b1f11f0ca375d1429e7902a1d84b900348ae65e624c83b1589ff2e27
sha512
1930d9d052e59f6fca48eb437e60e2928457e5d431b0e0b3d4ea446ed61845bd054cf2455bf014dbd5534ba621954cadeb8684ff5ef7f74333ba982a10f42eb8
ripemd-160
0cc4a4cc479bdb32980d185ef26614da724eba2c
Diameter
2722
Circumference
8551.4152030714
Area
5819238.0456901
Volume
10559977306.912
Surface area
23276952.18276
Circumference
8551.4152030714
Perimeter
5444
Area
1852321
Diagonal
1924.7446583898
Surface area
11113926
Volume
2521008881
Space diagonal
2357.3211491012
Perimeter
4083
Area
802078.5209817
Altitude
1178.6605745506
Surface area
802078.5209817
Volume
297103745.86444
Height
641.58155279659