1312 is an even 4-digits composite number following 1311
and preceding 1313 . In scientific notation, it is written as 1.312 × 10^3.
The sum of its digits is 7. It has a total of 6 prime factors and 12 positive divisors.
There are 640 positive integers (up to 1312) that are relatively prime to 1312.
1312 has 12 divisors, whose sum is 2646
The reverse of 1312 is 2131
Previous prime number is 2
Is Prime? no
Number parity even
Number length 4
Sum of Digits 7
Digital Root 7
Name
one thousand three hundred twelve
Scientific notation
1.312 × 10^3
Engineering notation
1.312 × 10^3
Prime Factorization
2 × 2 × 2 × 2 × 2 × 41
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
82
Product of the distinct prime numbers
The prime factorization of 1312 is 2 × 2 × 2 × 2 × 2 × 41.
Since it has a total of 6 prime factors.
6 , 1 , 85 , 14 , 228 , 811 , 9453 , 3338 , 96931 , 46217 , 931835 , 623186 , 4577272 , 6161495 , 96753528 , 19007551 , 947180614 , 583119142 , 2905259283 , 15256551
n×2
2624
n×3
3936
n×4
5248
n×5
6560
n÷2
656
n÷3
437.33333333333
n÷3
328
n÷5
262.4
n2
1721344
n3
2258403328
n4
2963025166336
n5
3887489018232832
2 √n
36.22154055255
3 √n
10.947407349597
4 √n
6.0184333968691
5 √n
4.2032649565516
1 , 2 , 4 , 8 , 16 , 32 , 41 , 82 , 164 , 328 , 656 , 1312
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1311
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1312 can be divided by 12 positive divisors.
The sum of these divisors (counting 1312) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
10100100000
3
Ternary
1210121
4
Quaternary
110200
5
Quinary
20222
6
Senary
10024
8
Octal
2440
10
Decimal
1312
12
Duodecimal
914
16
Hexadecimal
520
20
Vigesimal
35c
36
Base36
10g
md5
f29b38f160f87ae86df31cee1982066f
sha1
6a0129d59aa4967c0627c4c0803ae1a9a49f6ddd
sha256
712dca40936b39ce670dc803736fe3735cf99311030a928de039a36f77926230
sha512
1ca8b900c1fd87d2100afc70b187eabe387e656dea10dbd03f46b79f27d960eb8809a035ec645d57bc538bce4c78d620ff59ed4f7b61c1c244e5ba214300fc05
ripemd-160
e01b20628b22b22fd46b3b27344db8d4bf850630
Diameter
2624
Circumference
8243.5391230196
Area
5407761.6647009
Volume
9459977738.7834
Surface area
21631046.658803
Circumference
8243.5391230196
Perimeter
5248
Area
1721344
Diagonal
1855.4481938335
Surface area
10328064
Volume
2258403328
Space diagonal
2272.4506595304
Perimeter
3936
Area
745363.81632596
Altitude
1136.2253297652
Surface area
745363.81632596
Volume
266155384.64718
Height
618.48273127783