1282 is an even 4-digits composite number following 1281
and preceding 1283 . In scientific notation, it is written as 1.282 × 10^3.
The sum of its digits is 13. It has a total of 2 prime factors and 4 positive divisors.
There are 640 positive integers (up to 1282) that are relatively prime to 1282.
1282 has 4 divisors, whose sum is 1926
The reverse of 1282 is 2821
Previous prime number is 2
Is Prime? no
Number parity even
Number length 4
Sum of Digits 13
Digital Root 4
Name
one thousand two hundred eighty-two
Scientific notation
1.282 × 10^3
Engineering notation
1.282 × 10^3
Prime Factorization
2 × 641
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1282
Product of the distinct prime numbers
The prime factorization of 1282 is 2 × 641.
Since it has a total of 2 prime factors.
8 , 6 , 41 , 73 , 817 , 440 , 6140 , 7534 , 67578 , 93609 , 188962 , 356353 , 9603582 , 6187829 , 99278072 , 77764122 , 95702976 , 886203374 , 2509864171 , 6455059143
n×2
2564
n×3
3846
n×4
5128
n×5
6410
n÷2
641
n÷3
427.33333333333
n÷3
320.5
n÷5
256.4
n2
1643524
n3
2106997768
n4
2701171138576
n5
3462901399654432
2 √n
35.805027579936
3 √n
10.863322560303
4 √n
5.9837302395693
5 √n
4.1838644436649
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
-1281
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 1282 can be divided by 4 positive divisors.
The sum of these divisors (counting 1282) is 1, the average is 0.25.
Base
System
Value
2
Binary
10100000010
3
Ternary
1202111
4
Quaternary
110002
5
Quinary
20112
6
Senary
5534
8
Octal
2402
10
Decimal
1282
12
Duodecimal
8aa
16
Hexadecimal
502
20
Vigesimal
342
36
Base36
zm
md5
1cecc7a77928ca8133fa24680a88d2f9
sha1
b0203282b4e6a5ceeeb4e9b59dea288dd545f6e4
sha256
3ac84a052226066874f36ca9dfddd1639db06447d2096a119ed31515dbd67505
sha512
20335d6609b6e37d0714a4144779cf615818c5495ec46c8ed1fac265a97098e4baa94574d8e56d02756cf2f5c618de693c37842d3472554aa3fcaf1edbc650e9
ripemd-160
a017f39aabc153c9b5b10f63cf89c6a06347ce36
Diameter
2564
Circumference
8055.0435638042
Area
5163282.9243985
Volume
8825771612.1052
Surface area
20653131.697594
Circumference
8055.0435638042
Perimeter
5128
Area
1643524
Diagonal
1813.0217869623
Surface area
9861144
Volume
2106997768
Space diagonal
2220.4891353033
Perimeter
3846
Area
711666.76786471
Altitude
1110.2445676517
Surface area
711666.76786471
Volume
248312068.28295
Height
604.3405956541