1728 is an even 4-digits composite number following 1727
and preceding 1729 . In scientific notation, it is written as 1.728 × 10^3.
The sum of its digits is 18. It has a total of 8 prime factors and 28 positive divisors.
There are 576 positive integers (up to 1728) that are relatively prime to 1728.
1728 has 28 divisors, whose sum is 5080
The reverse of 1728 is 8271
Previous prime number is 9
Is Prime? no
Number parity even
Number length 4
Sum of Digits 18
Digital Root 9
Name
one thousand seven hundred twenty-eight
Scientific notation
1.728 × 10^3
Engineering notation
1.728 × 10^3
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 9 × 3
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
54
Product of the distinct prime numbers
The prime factorization of 1728 is 2 × 2 × 2 × 2 × 2 × 2 × 9 × 3.
Since it has a total of 8 prime factors.
7 , 2 , 51 , 88 , 348 , 137 , 4497 , 4138 , 36922 , 23525 , 200786 , 941894 , 4253993 , 5174535 , 52042088 , 42993358 , 314342003 , 973203442 , 5319559598 , 7260647400
n×2
3456
n×3
5184
n×4
6912
n×5
8640
n÷2
864
n÷3
576
n÷3
432
n÷5
345.6
n2
2985984
n3
5159780352
n4
8916100448256
n5
15407021574586368
2 √n
41.569219381653
3 √n
12
4 √n
6.4474195909413
5 √n
4.4412860698458
1 , 2 , 3 , 4 , 6 , 8 , 9 , 12 , 16 , 18 , 24 , 27 , 32 , 36 , 48 , 54 , 64 , 72 , 96 , 108 , 144 , 192 , 216 , 288 , 432 , 576 , 864 , 1728
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1727
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1728 can be divided by 28 positive divisors.
The sum of these divisors (counting 1728) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
11011000000
3
Ternary
2101000
4
Quaternary
123000
5
Quinary
23403
6
Senary
12000
8
Octal
3300
10
Decimal
1728
12
Duodecimal
1000
16
Hexadecimal
6c0
20
Vigesimal
468
36
Base36
1c0
md5
7137debd45ae4d0ab9aa953017286b20
sha1
8c10a6b59c03e198cb8f0915642d0052f00792b9
sha256
a0bd94956b9f42cde97b95b10ad65bbaf2a8d87142caf819e4c099ed75126d72
sha512
f8f404dfac2e3511a0ee820a6b2a258ffe741ad545b36bae4c1f137fbcdb06665dcabdb630186c6032fa7e3252ee8247538c51fbaccd1cd0447b4aeba8ff2804
ripemd-160
51195ea0bae33f8e2cb1e5b6fb369b5dd3a2c0b2
Diameter
3456
Circumference
10857.344210806
Area
9380745.3981367
Volume
21613237397.307
Surface area
37522981.592547
Circumference
10857.344210806
Perimeter
6912
Area
2985984
Diagonal
2443.7610357807
Surface area
17915904
Volume
5159780352
Space diagonal
2992.983795479
Perimeter
5184
Area
1292968.9996469
Altitude
1496.4918977395
Surface area
1292968.9996469
Volume
608085946.05539
Height
814.5870119269