1381806 is an even 7-digits composite number following 1381805
and preceding 1381807 . In scientific notation, it is written as 1.381806 × 10^6.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 460584 positive integers (up to 1381806) that are relatively prime to 1381806.
1381806 has 16 divisors, whose sum is 3070800
The reverse of 1381806 is 6081831
Previous prime number is 3
Is Prime? no
Number parity even
Number length 7
Sum of Digits 27
Digital Root 9
Name
one million three hundred eighty-one thousand eight hundred six
Scientific notation
1.381806 × 10^6
Engineering notation
1.381806 × 10^6
Prime Factorization
2 × 9 × 3 × 25589
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1381806
Product of the distinct prime numbers
The prime factorization of 1381806 is 2 × 9 × 3 × 25589.
Since it has a total of 4 prime factors.
1 , 6 , 57 , 73 , 82 , 502 , 7045 , 6701 , 95913 , 65824 , 68224 , 998765 , 8784283 , 3998136 , 12045039 , 55871815 , 313149148 , 844084904 , 7047072120 , 224970735
n×2
2763612
n×3
4145418
n×4
5527224
n×5
6909030
n÷2
690903
n÷3
460602
n÷3
345451.5
n÷5
276361.2
n2
1909387821636
n3
2638403548263554616
n4
3.6457618534119E+24
n5
5.0377356036156E+30
2 √n
1175.5024457652
3 √n
111.38217425926
4 √n
34.285601143413
5 √n
16.907890043126
1 , 2 , 3 , 6 , 9 , 18 , 27 , 54 , 25589 , 51178 , 76767 , 153534 , 230301 , 460602 , 690903 , 1381806
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
-1381805
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 1381806 can be divided by 16 positive divisors.
The sum of these divisors (counting 1381806) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101010001010110101110
3
Ternary
2121012111000
4
Quaternary
11101112232
5
Quinary
323204211
6
Senary
45341130
8
Octal
5212656
10
Decimal
1381806
12
Duodecimal
5677a6
16
Hexadecimal
1515ae
20
Vigesimal
8cea6
36
Base36
tm7i
md5
b7fb212da1179cfb098580cffb87720d
sha1
80c3e11049d7b73a8a8154a6a7b914ee0f1e8d3d
sha256
c4e3f9ee5ee2aa507f0cbd53fc4fb6b1a80388d7ab39b3171e89e52579ea6bf0
sha512
2c5c45874b85982d67aaf1d2878557a11602bdadfaddc7314952bafa69181ee064e2bd550287a71b5b61c30f7ed468e5574cb1827a568a61b4fcb67959722a2b
ripemd-160
6569b4fc51990989e7798caa98411833b05fc818
Diameter
2763612
Circumference
8682143.1565726
Area
5998518753305.5
Volume
1.105171893924E+19
Surface area
23994075013222
Circumference
8682143.1565726
Perimeter
5527224
Area
1909387821636
Diagonal
1954168.7857685
Surface area
11456326929816
Volume
2638403548263554616
Space diagonal
2393358.1982035
Perimeter
4145418
Area
826789179606.7
Altitude
1196679.0991018
Surface area
826789179606.7
Volume
3.1093884008063E+17
Height
651389.59525617