19681331 is an odd 8-digits prime number following 19681330
and preceding 19681332 . In scientific notation, it is written as 1.9681331 × 10^7.
The sum of its digits is 32. It has a total of 1 prime factors and 2 positive divisors.
There are 19681330 positive integers (up to 19681331) that are relatively prime to 19681331.
19681331 has 2 divisors, whose sum is 19681332
The reverse of 19681331 is 13318691
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
nineteen million six hundred eighty-one thousand three hundred thirty-one
Scientific notation
1.9681331 × 10^7
Engineering notation
1.9681331 × 10^6
Prime Factorization
19681331
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
19681331
Product of the distinct prime numbers
The prime factorization of 19681331 is 19681331.
Since it has a total of 1 prime factors.
9 , 10 , 30 , 68 , 135 , 12 , 4165 , 3782 , 40120 , 60177 , 154099 , 995913 , 2634240 , 9246265 , 65743326 , 70281169 , 161118965 , 236351486 , 142586449 , 27746925
n×2
39362662
n×3
59043993
n×4
78725324
n×5
98406655
n÷2
9840665.5
n÷3
6560443.6666667
n÷3
4920332.75
n÷5
3936266.2
n2
387354789931561
n3
7.6236578350785E+21
n4
1.5004373328292E+29
n5
2.9530603792169E+36
2 √n
4436.3646153129
3 √n
269.99236832567
4 √n
66.606040381581
5 √n
28.761457680888
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
19681332
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
9840666
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4436.3647280177
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999998983809
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19681331 can be divided by 2 positive divisors.
The sum of these divisors (counting 19681331) is 19681332, the average is 9840666.
Base
System
Value
2
Binary
1001011000101000000110011
3
Ternary
1101000220201012
4
Quaternary
1023011000303
5
Quinary
20014300311
6
Senary
1541501135
8
Octal
113050063
10
Decimal
19681331
12
Duodecimal
67117ab
16
Hexadecimal
12c5033
20
Vigesimal
63036b
36
Base36
bpu7n
md5
324d6eab4804437ffd48c7bd870cb965
sha1
64b717cb003aaa86a62ee515e4089be84394e867
sha256
5879866b73fb9c7ae87b8b0a5870e3fd829f8c2290b17e417e6a6ea4d1cad516
sha512
356d614d47e31220cc35df3f56efd0112179f4d31b3c63e53d54ec08567cd2bc8083f786edfcee1d8dac579fef267bde4ee73ac9a6a74e98c84f2bef621164ca
ripemd-160
47aebe49e07c14a5bc59a192742e598fec430cb6
Diameter
39362662
Circumference
123661449.76494
Area
1.2169109623818E+15
Volume
3.193390326422E+22
Surface area
4.8676438495272E+15
Circumference
123661449.76494
Perimeter
78725324
Area
387354789931561
Diagonal
27833605.225754
Surface area
2324128739589366
Volume
7.6236578350785E+21
Space diagonal
34089065.25258
Perimeter
59043993
Area
1.6772954417916E+14
Altitude
17044532.62629
Surface area
1.6772954417916E+14
Volume
8.98456692105E+20
Height
9277868.4085847