1306809 is an odd 7-digits composite number following 1306808
and preceding 1306810 . In scientific notation, it is written as 1.306809 × 10^6.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 746712 positive integers (up to 1306809) that are relatively prime to 1306809.
1306809 has 8 divisors, whose sum is 1659520
The reverse of 1306809 is 9086031
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 27
Digital Root 9
Name
one million three hundred six thousand eight hundred nine
Scientific notation
1.306809 × 10^6
Engineering notation
1.306809 × 10^6
Prime Factorization
9 × 7 × 20743
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1306809
Product of the distinct prime numbers
The prime factorization of 1306809 is 9 × 7 × 20743.
Since it has a total of 3 prime factors.
3 , 9 , 98 , 34 , 937 , 136 , 6098 , 5671 , 94324 , 6055 , 221681 , 692436 , 2739048 , 5706584 , 73282882 , 230241 , 699465792 , 650937212 , 1692313237 , 4130290309
n×2
2613618
n×3
3920427
n×4
5227236
n×5
6534045
n÷2
653404.5
n÷3
435603
n÷3
326702.25
n÷5
261361.8
n2
1707749762481
n3
2231702759358033129
n4
2.9164092512539E+24
n5
3.8111898572219E+30
2 √n
1143.1574694678
3 √n
109.3295026006
4 √n
33.810611787837
5 √n
16.720236781806
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1306808
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1306809 can be divided by 8 positive divisors.
The sum of these divisors (counting 1306809) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111111000010111001
3
Ternary
2110101121100
4
Quaternary
10333002321
5
Quinary
313304214
6
Senary
44002013
8
Octal
4770271
10
Decimal
1306809
12
Duodecimal
530309
16
Hexadecimal
13f0b9
20
Vigesimal
83709
36
Base36
s0c9
md5
6d3c179eed9df2ae27a5a42a28a31fb3
sha1
8cd8fbcca4da55c0e00cab50dd9bf5946e8ce7d7
sha256
50334c6de4ff357e3fedd29ad52ae784fc9fd013b7809345fcd68282d16477e5
sha512
f374db9c1b0f2a22c37fbb69e5dcbb03fbd24e4a32f89e80d8d41ab9f8e89d0ea18bb4b1050b99559a604550c06f089e42a51192ec820b70ee93c93ec5f2775d
ripemd-160
3e8258f2448b3cdc461b1281d052698a1acd1089
Diameter
2613618
Circumference
8210923.10809
Area
5365054107980
Volume
9.3481346583937E+18
Surface area
21460216431920
Circumference
8210923.10809
Perimeter
5227236
Area
1707749762481
Diagonal
1848107.0112312
Surface area
10246498574886
Volume
2231702759358033129
Space diagonal
2263459.5837883
Perimeter
3920427
Area
739477338807.69
Altitude
1131729.7918941
Surface area
739477338807.69
Volume
2.630086924558E+17
Height
616035.67041041