1321808 is an even 7-digits composite number following 1321807
and preceding 1321809 . In scientific notation, it is written as 1.321808 × 10^6.
The sum of its digits is 23. It has a total of 5 prime factors and 10 positive divisors.
There are 660896 positive integers (up to 1321808) that are relatively prime to 1321808.
1321808 has 10 divisors, whose sum is 2561034
The reverse of 1321808 is 8081231
Previous prime number is 2
Is Prime? no
Number parity even
Number length 7
Sum of Digits 23
Digital Root 5
Name
one million three hundred twenty-one thousand eight hundred eight
Scientific notation
1.321808 × 10^6
Engineering notation
1.321808 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 82613
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
165226
Product of the distinct prime numbers
The prime factorization of 1321808 is 2 × 2 × 2 × 2 × 82613.
Since it has a total of 5 prime factors.
7 , 6 , 42 , 25 , 738 , 591 , 7696 , 4778 , 37374 , 8005 , 272738 , 592737 , 4757429 , 7370135 , 71964474 , 75873112 , 288334011 , 788791477 , 3443374610 , 5351866057
n×2
2643616
n×3
3965424
n×4
5287232
n×5
6609040
n÷2
660904
n÷3
440602.66666667
n÷3
330452
n÷5
264361.6
n2
1747176388864
n3
2309431728211546112
n4
3.0526253338038E+24
n5
4.0349845872246E+30
2 √n
1149.6990910669
3 √n
109.74619168573
4 √n
33.907212965192
5 √n
16.758443333383
10 divisors
τ
Total Divisors
10
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1321807
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.1
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
10
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1321808 can be divided by 10 positive divisors.
The sum of these divisors (counting 1321808) is 1, the average is 0.1.
Base
System
Value
2
Binary
101000010101101010000
3
Ternary
2111011011212
4
Quaternary
11002231100
5
Quinary
314244213
6
Senary
44155252
8
Octal
5025520
10
Decimal
1321808
12
Duodecimal
538b28
16
Hexadecimal
142b50
20
Vigesimal
854a8
36
Base36
sbww
md5
8d66ea5ab1ad61bb3b45c811c17ef035
sha1
b7e8da62cf771aae8dcc617af939ee2dcf050e87
sha256
574fbaa1a345d366a478603ebac4abfcec0a81c96283c0857b93d55a110e6320
sha512
8aba56095e6b485c002a3f068489b666fcfde864286084bfc2abdd40c612d9bac6217a7287c89a51af4a33071046aa4a6de3b418a8fe139a8a37644e032873c5
ripemd-160
2117a103734fea5d8aea697c0d64688da9579413
Diameter
2643616
Circumference
8305164.6045124
Area
5488916507780.7
Volume
9.6737250017554E+18
Surface area
21955666031123
Circumference
8305164.6045124
Perimeter
5287232
Area
1747176388864
Diagonal
1869318.8004533
Surface area
10483058333184
Volume
2309431728211546112
Space diagonal
2289438.613851
Perimeter
3965424
Area
756549568824.29
Altitude
1144719.3069255
Surface area
756549568824.29
Volume
2.7216913928429E+17
Height
623106.26681775