78442908 is an even 8-digits composite number following 78442907
and preceding 78442909 . In scientific notation, it is written as 7.8442908 × 10^7.
The sum of its digits is 42. It has a total of 5 prime factors and 24 positive divisors.
There are 26062320 positive integers (up to 78442908) that are relatively prime to 78442908.
78442908 has 24 divisors, whose sum is 183630720
The reverse of 78442908 is 80924487
Previous prime number is 311
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
seventy-eight million four hundred forty-two thousand nine hundred eight
Scientific notation
7.8442908 × 10^7
Engineering notation
7.8442908 × 10^6
Prime Factorization
2 × 2 × 3 × 311 × 21019
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
39221454
Product of the distinct prime numbers
The prime factorization of 78442908 is 2 × 2 × 3 × 311 × 21019.
Since it has a total of 5 prime factors.
1 , 3 , 24 , 89 , 28 , 98 , 3898 , 3425 , 90506 , 22890 , 829186 , 183088 , 8331193 , 2430920 , 31673257 , 97694109 , 495300516 , 65042148 , 7224907373 , 4687097442
n×2
156885816
n×3
235328724
n×4
313771632
n×5
392214540
n÷2
39221454
n÷3
26147636
n÷3
19610727
n÷5
15688581.6
n2
6153289815496464
n3
4.8268194689433E+23
n4
3.7862975553493E+31
n5
2.9700819079489E+39
2 √n
8856.8000993587
3 √n
428.07305795685
4 √n
94.110573791465
5 √n
37.92370302779
1 , 2 , 3 , 4 , 6 , 12 , 311 , 622 , 933 , 1244 , 1866 , 3732 , 21019 , 42038 , 63057 , 84076 , 126114 , 252228 , 6536909 , 13073818 , 19610727 , 26147636 , 39221454 , 78442908
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78442907
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78442908 can be divided by 24 positive divisors.
The sum of these divisors (counting 78442908) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100101011001111000110011100
3
Ternary
12110121022102220
4
Quaternary
10223033012130
5
Quinary
130040133113
6
Senary
11441145340
8
Octal
453170634
10
Decimal
78442908
12
Duodecimal
2232b250
16
Hexadecimal
4acf19c
20
Vigesimal
14a5758
36
Base36
1apaxo
md5
1a7498c6c481a35dcfc92b8ae0e3c7bf
sha1
516aa565e586f40dacfa2b5c5b5af3cd5c30e39b
sha256
97e847967c60690f2a78701e358ed51eb79f4607778bdd1e0eb48ec419920233
sha512
80a17545e4df65d7f10ace1a6f6a0c68bb7e154a0d215bb9d95d5252762925e618ed9717cc50529efd39224e11af618cc475ebdfa3b59d6a545afe5eba29d651
ripemd-160
ad48e82a00c227458baccfd286af0176676335c8
Diameter
156885816
Circumference
492871326.99804
Area
1.9331130079773E+16
Volume
2.0218534111782E+24
Surface area
7.732452031909E+16
Circumference
492871326.99804
Perimeter
313771632
Area
6153289815496464
Diagonal
110935024.36558
Surface area
36919738892978784
Volume
4.8268194689433E+23
Space diagonal
135867102.14945
Perimeter
235328724
Area
2.664452648534E+15
Altitude
67933551.074726
Surface area
2.664452648534E+15
Volume
5.6884612967551E+22
Height
36978341.455195