1331805 is an odd 7-digits composite number following 1331804
and preceding 1331806 . In scientific notation, it is written as 1.331805 × 10^6.
The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors.
There are 672768 positive integers (up to 1331805) that are relatively prime to 1331805.
1331805 has 8 divisors, whose sum is 1495680
The reverse of 1331805 is 5081331
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 21
Digital Root 3
Name
one million three hundred thirty-one thousand eight hundred five
Scientific notation
1.331805 × 10^6
Engineering notation
1.331805 × 10^6
Prime Factorization
15 × 19 × 4673
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1331805
Product of the distinct prime numbers
The prime factorization of 1331805 is 15 × 19 × 4673.
Since it has a total of 3 prime factors.
6 , 6 , 87 , 47 , 34 , 639 , 4361 , 1765 , 68379 , 57077 , 869249 , 236470 , 4502061 , 7696437 , 41896125 , 60829605 , 225930980 , 427608353 , 5999331755 , 4707696348
n×2
2663610
n×3
3995415
n×4
5327220
n×5
6659025
n÷2
665902.5
n÷3
443935
n÷3
332951.25
n÷5
266361
n2
1773704558025
n3
2362228598900485125
n4
3.1460278591587E+24
n5
4.1898956329668E+30
2 √n
1154.0385608809
3 √n
110.02217183924
4 √n
33.971143061146
5 √n
16.783716234302
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
-1331804
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 1331805 can be divided by 8 positive divisors.
The sum of these divisors (counting 1331805) is 1, the average is 0.125.
Base
System
Value
2
Binary
101000101001001011101
3
Ternary
2111122220010
4
Quaternary
11011021131
5
Quinary
320104210
6
Senary
44313433
8
Octal
5051135
10
Decimal
1331805
12
Duodecimal
542879
16
Hexadecimal
14525d
20
Vigesimal
869a5
36
Base36
sjml
md5
cce9b9f9c920bbb569ad349cb11f17eb
sha1
0db6a0104ccff145a01b847a36984a97b4aa1d18
sha256
ced424957062500972b333965ae6d8e4246c796524332d28669d278ec43eab76
sha512
41c36159d06f32de5036ad09ab60b7993f64ee64b2470c3625f8986c04ec02504f5e817b8eb2ac8532f4cf58ffc1ee327d4626eff77b558a543e34a4b2e826c6
ripemd-160
626f08d620251d9f103ded481c680b392076d76f
Diameter
2663610
Circumference
8367977.6080283
Area
5572257209130.1
Volume
9.8948800165406E+18
Surface area
22289028836520
Circumference
8367977.6080283
Perimeter
5327220
Area
1773704558025
Diagonal
1883456.6934363
Surface area
10642227348150
Volume
2362228598900485125
Space diagonal
2306753.9257743
Perimeter
3995415
Area
768036603028.95
Altitude
1153376.9628871
Surface area
768036603028.95
Volume
2.7839131016589E+17
Height
627818.8978121