1808013 is an odd 7-digits composite number following 1808012
and preceding 1808014 . In scientific notation, it is written as 1.808013 × 10^6.
The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors.
There are 1166400 positive integers (up to 1808013) that are relatively prime to 1808013.
1808013 has 8 divisors, whose sum is 2488576
The reverse of 1808013 is 3108081
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 21
Digital Root 3
Name
one million eight hundred eight thousand thirteen
Scientific notation
1.808013 × 10^6
Engineering notation
1.808013 × 10^6
Prime Factorization
3 × 31 × 19441
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1808013
Product of the distinct prime numbers
The prime factorization of 1808013 is 3 × 31 × 19441.
Since it has a total of 3 prime factors.
7 , 1 , 62 , 99 , 711 , 706 , 4800 , 6137 , 16199 , 66157 , 775781 , 775615 , 3674586 , 3484566 , 51698211 , 37090915 , 137544950 , 829412607 , 3445561118 , 3641420970
n×2
3616026
n×3
5424039
n×4
7232052
n×5
9040065
n÷2
904006.5
n÷3
602671
n÷3
452003.25
n÷5
361602.6
n2
3268911008169
n3
5910233598612658197
n4
1.0685779179328E+25
n5
1.9320027671355E+31
2 √n
1344.6237391925
3 √n
121.82427895997
4 √n
36.669111513541
5 √n
17.84186749765
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
-1808012
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 1808013 can be divided by 8 positive divisors.
The sum of these divisors (counting 1808013) is 1, the average is 0.125.
Base
System
Value
2
Binary
110111001011010001101
3
Ternary
10101212010110
4
Quaternary
12321122031
5
Quinary
430324023
6
Senary
102430233
8
Octal
6713215
10
Decimal
1808013
12
Duodecimal
732379
16
Hexadecimal
1b968d
20
Vigesimal
b600d
36
Base36
12r2l
md5
74bfca35d8e6218eedabf0434dee189c
sha1
490bd6e8ef8bc678724ed3c77820dc73ac1c2ef1
sha256
abbbc661da5b18180b3d79e71a2b14d52683f089ef45259ff65b905c458118b2
sha512
b39e14ddc6eba373f0b0196ee3fd99d93fdf418087a87796bf47249a06971c21f8553ee85894eee570d69897009b5438cabe84e221577d1109c29bd5f4080636
ripemd-160
558d23f209a6696d558d94e8a3f02994a4edf2de
Diameter
3616026
Circumference
11360080.71679
Area
10269586808503
Volume
2.4756728605868E+19
Surface area
41078347234010
Circumference
11360080.71679
Perimeter
7232052
Area
3268911008169
Diagonal
2556916.5055469
Surface area
19613466049014
Volume
5910233598612658197
Space diagonal
3131570.376745
Perimeter
5424039
Area
1415479987892.5
Altitude
1565785.1883725
Surface area
1415479987892.5
Volume
6.9652770932926E+17
Height
852305.50184896