1809726728 is an even 10-digits composite number following 1809726727
and preceding 1809726729 . In scientific notation, it is written as 1.809726728 × 10^9.
The sum of its digits is 50. It has a total of 5 prime factors and 16 positive divisors.
There are 885610768 positive integers (up to 1809726728) that are relatively prime to 1809726728.
1809726728 has 16 divisors, whose sum is 3465434880
The reverse of 1809726728 is 8276279081
Previous prime number is 47
Is Prime? no
Number parity even
Number length 10
Sum of Digits 50
Digital Root 5
Name
one billion eight hundred nine million seven hundred twenty-six thousand seven hundred twenty-eight
Scientific notation
1.809726728 × 10^9
Engineering notation
1.809726728 × 10^9
Prime Factorization
2 × 2 × 2 × 47 × 4813103
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
452431682
Product of the distinct prime numbers
The prime factorization of 1809726728 is 2 × 2 × 2 × 47 × 4813103.
Since it has a total of 5 prime factors.
9 , 1 , 1 , 14 , 732 , 373 , 1469 , 3630 , 94219 , 56756 , 168636 , 786251 , 4776088 , 3845251 , 41468764 , 48556708 , 83577614 , 577518333 , 3756074460 , 227219150
n×2
3619453456
n×3
5429180184
n×4
7238906912
n×5
9048633640
n÷2
904863364
n÷3
603242242.66667
n÷3
452431682
n÷5
361945345.6
n2
3275110830037585984
n3
5.9270556062813E+27
n4
1.0726350949029E+37
n5
1.9411764006367E+46
2 √n
42540.883018574
3 √n
1218.6275725086
4 √n
206.25441333114
5 √n
71.043213899573
1 , 2 , 4 , 8 , 47 , 94 , 188 , 376 , 4813103 , 9626206 , 19252412 , 38504824 , 226215841 , 452431682 , 904863364 , 1809726728
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1809726727
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1809726728 can be divided by 16 positive divisors.
The sum of these divisors (counting 1809726728) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101011110111100011110100001000
3
Ternary
11200010022122100212
4
Quaternary
1223313203310020
5
Quinary
12201242223403
6
Senary
455324420252
8
Octal
15367436410
10
Decimal
1809726728
12
Duodecimal
4260a7688
16
Hexadecimal
6bde3d08
20
Vigesimal
185afgg8
36
Base36
txgq2w
md5
c469946b874ed47e3e7075569852252b
sha1
d0cd8456dfcb67cd414b864485d3a22edc478b6c
sha256
f3eda29972971353c302f15a33be9a6fe661162155352b917974b8de3ab43b0d
sha512
7be385ffd71256cfaeba7dcae010986cd1d4c909d48b11b873de87c1d0623b42c0d82fea4c15b09034d30cfe9ea8377dce1821962dc0304901af027a4b747136
ripemd-160
af8c1320b34b1450526ee81f258d37354d48ebde
Diameter
3619453456
Circumference
11370848387.38
Area
1.0289064123338E+19
Volume
2.4827192466815E+28
Surface area
4.1156256493354E+19
Circumference
11370848387.38
Perimeter
7238906912
Area
3275110830037585984
Diagonal
2559340082.9267
Surface area
1.9650664980226E+19
Volume
5.9270556062813E+27
Space diagonal
3134538640.7114
Perimeter
5429180184
Area
1.418164589511E+18
Altitude
1567269320.3557
Surface area
1.418164589511E+18
Volume
6.9851020194521E+26
Height
853113360.97556