78442906 is an even 8-digits composite number following 78442905
and preceding 78442907 . In scientific notation, it is written as 7.8442906 × 10^7.
The sum of its digits is 40. It has a total of 5 prime factors and 32 positive divisors.
There are 36011376 positive integers (up to 78442906) that are relatively prime to 78442906.
78442906 has 32 divisors, whose sum is 127733760
The reverse of 78442906 is 60924487
Previous prime number is 47
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
seventy-eight million four hundred forty-two thousand nine hundred six
Scientific notation
7.8442906 × 10^7
Engineering notation
7.8442906 × 10^6
Prime Factorization
2 × 19 × 263 × 47 × 167
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
78442906
Product of the distinct prime numbers
The prime factorization of 78442906 is 2 × 19 × 263 × 47 × 167.
Since it has a total of 5 prime factors.
2 , 1 , 4 , 71 , 864 , 732 , 6588 , 9025 , 21223 , 38284 , 820818 , 353126 , 6341331 , 3555179 , 38737472 , 72950894 , 702228427 , 303452154 , 6368358754 , 6391631711
n×2
156885812
n×3
235328718
n×4
313771624
n×5
392214530
n÷2
39221453
n÷3
26147635.333333
n÷3
19610726.5
n÷5
15688581.2
n2
6153289501724836
n3
4.8268190997459E+23
n4
3.7862971692037E+31
n5
2.9700815293191E+39
2 √n
8856.7999864511
3 √n
428.07305431877
4 √n
94.110573191598
5 √n
37.923702834407
1 , 2 , 19 , 38 , 47 , 94 , 167 , 263 , 334 , 526 , 893 , 1786 , 3173 , 4997 , 6346 , 7849 , 9994 , 12361 , 15698 , 24722 , 43921 , 87842 , 149131 , 234859 , 298262 , 469718 , 834499 , 1668998 , 2064287 , 4128574 , 39221453 , 78442906
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78442905
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78442906 can be divided by 32 positive divisors.
The sum of these divisors (counting 78442906) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100101011001111000110011010
3
Ternary
12110121022102211
4
Quaternary
10223033012122
5
Quinary
130040133111
6
Senary
11441145334
8
Octal
453170632
10
Decimal
78442906
12
Duodecimal
2232b24a
16
Hexadecimal
4acf19a
20
Vigesimal
14a5756
36
Base36
1apaxm
md5
77fffcba79d8dfb8d32c2a5182588230
sha1
2c7f586f2c88896ab5e4940ac18309c93472fadf
sha256
2bf8fd8824abb62a301909889d7adde00f7382b6b5dc39fed8e0058ccf1a1346
sha512
c3032c871574610de33602139e79ead4d502ed93a279077269051d261415abeba563f3572138f8145abfbf29462c37156748037aa43c1982b16902ec5930eb34
ripemd-160
0dc58cd8629fd5c057a15b526f032f08c75b5496
Diameter
156885812
Circumference
492871314.43167
Area
1.933112909403E+16
Volume
2.0218532565291E+24
Surface area
7.732451637612E+16
Circumference
492871314.43167
Perimeter
313771624
Area
6153289501724836
Diagonal
110935021.53716
Surface area
36919737010349016
Volume
4.8268190997459E+23
Space diagonal
135867098.68535
Perimeter
235328718
Area
2.6644525126669E+15
Altitude
67933549.342675
Surface area
2.6644525126669E+15
Volume
5.6884608616518E+22
Height
36978340.512386