78441644 is an even 8-digits composite number following 78441643
and preceding 78441645 . In scientific notation, it is written as 7.8441644 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors.
There are 39057600 positive integers (up to 78441644) that are relatively prime to 78441644.
78441644 has 12 divisors, whose sum is 137844168
The reverse of 78441644 is 44614487
Previous prime number is 241
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
seventy-eight million four hundred forty-one thousand six hundred forty-four
Scientific notation
7.8441644 × 10^7
Engineering notation
7.8441644 × 10^6
Prime Factorization
2 × 2 × 241 × 81371
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
39220822
Product of the distinct prime numbers
The prime factorization of 78441644 is 2 × 2 × 241 × 81371.
Since it has a total of 4 prime factors.
8 , 9 , 33 , 28 , 233 , 858 , 6134 , 7850 , 98477 , 76851 , 361850 , 596794 , 4829751 , 7669517 , 24179966 , 6881256 , 831404712 , 123970970 , 3117992327 , 5081226840
n×2
156883288
n×3
235324932
n×4
313766576
n×5
392208220
n÷2
39220822
n÷3
26147214.666667
n÷3
19610411
n÷5
15688328.8
n2
6153091513422736
n3
4.8265861399533E+23
n4
3.7860535172555E+31
n5
2.969842621655E+39
2 √n
8856.7287414711
3 √n
428.07075867421
4 √n
94.110194673431
5 √n
37.923580809298
1 , 2 , 4 , 241 , 482 , 964 , 81371 , 162742 , 325484 , 19610411 , 39220822 , 78441644
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78441643
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78441644 can be divided by 12 positive divisors.
The sum of these divisors (counting 78441644) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100101011001110110010101100
3
Ternary
12110121020201002
4
Quaternary
10223032302230
5
Quinary
130040113034
6
Senary
11441135432
8
Octal
453166254
10
Decimal
78441644
12
Duodecimal
2232a578
16
Hexadecimal
4acecac
20
Vigesimal
14a5424
36
Base36
1ap9yk
md5
2f3c08e1ea2af0e19296a0f97b70f3a9
sha1
a8a608532d4d2cd629789ea0c9c3ff19710c9c51
sha256
0b52507319a4ed79f90a9c78c1991becb2b26f2408c67630ba6cf3cb3e22c843
sha512
551fae99a5e9bc0f0bfbf50fdcd042e34ec1296124c80ab59819df731be621b8e17961cce0e383d56a8b404631a3fc539b00f03d8df1514c912a7055452513c3
ripemd-160
3e90ad02884be28f5027394ceb69345168cba637
Diameter
156883288
Circumference
492863385.05181
Area
1.9330507095435E+16
Volume
2.0217556745594E+24
Surface area
7.7322028381738E+16
Circumference
492863385.05181
Perimeter
313766576
Area
6153091513422736
Diagonal
110933236.79964
Surface area
36918549080536416
Volume
4.8265861399533E+23
Space diagonal
135864912.83723
Perimeter
235324932
Area
2.6643667812173E+15
Altitude
67932456.418615
Surface area
2.6643667812173E+15
Volume
5.6881863159033E+22
Height
36977745.599881