1331 is an odd 4-digits composite number following 1330
and preceding 1332 . In scientific notation, it is written as 1.331 × 10^3.
The sum of its digits is 8. It has a total of 3 prime factors and 4 positive divisors.
There are 1210 positive integers (up to 1331) that are relatively prime to 1331.
1331 has 4 divisors, whose sum is 1464
The reverse of 1331 is 1331
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 4
Sum of Digits 8
Digital Root 8
Name
one thousand three hundred thirty-one
Scientific notation
1.331 × 10^3
Engineering notation
1.331 × 10^3
Prime Factorization
11 × 11 × 11
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
11
Product of the distinct prime numbers
The prime factorization of 1331 is 11 × 11 × 11.
Since it has a total of 3 prime factors.
2 , 1 , 68 , 52 , 103 , 340 , 423 , 5979 , 61227 , 73493 , 89319 , 996840 , 3836561 , 4182205 , 2447 , 50418142 , 9791466 , 675335349 , 3513200951 , 1274410108
n×2
2662
n×3
3993
n×4
5324
n×5
6655
n÷2
665.5
n÷3
443.66666666667
n÷3
332.75
n÷5
266.2
n2
1771561
n3
2357947691
n4
3138428376721
n5
4177248169415651
2 √n
36.482872693909
3 √n
11
4 √n
6.0401053545372
5 √n
4.2153691330919
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
-1330
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 1331 can be divided by 4 positive divisors.
The sum of these divisors (counting 1331) is 1, the average is 0.25.
Base
System
Value
2
Binary
10100110011
3
Ternary
1211022
4
Quaternary
110303
5
Quinary
20311
6
Senary
10055
8
Octal
2463
10
Decimal
1331
12
Duodecimal
92b
16
Hexadecimal
533
20
Vigesimal
36b
36
Base36
10z
md5
e077e1a544eec4f0307cf5c3c721d944
sha1
8322f586c69aaaec73b86b416ab8cbb4ef1f1ff2
sha256
7ba7d31bfa1ed86327ecfa9deb2dd8a44488fba943ca78c86c1e21f2d1be0a10
sha512
6aa38fccab0d66979736679875a71158e836372982cd99bc41e37886e2188400f2b521e5765a1c74884e4a8d55709a918480e0ec329056461b454585dd0707f9
ripemd-160
c3aac764dba82bf9902cef16d6cfac44c437b91f
Diameter
2662
Circumference
8362.919643856
Area
5565523.0229862
Volume
9876948191.4595
Surface area
22262092.091945
Circumference
8362.919643856
Perimeter
5324
Area
1771561
Diagonal
1882.3182515186
Surface area
10629366
Volume
2357947691
Space diagonal
2305.3596248742
Perimeter
3993
Area
767108.41517688
Altitude
1152.6798124371
Surface area
767108.41517688
Volume
277886800.33154
Height
627.43941717286