78448940 is an even 8-digits composite number following 78448939
and preceding 78448941 . In scientific notation, it is written as 7.8448940 × 10^7.
The sum of its digits is 44. It has a total of 5 prime factors and 24 positive divisors.
There are 31149440 positive integers (up to 78448940) that are relatively prime to 78448940.
78448940 has 24 divisors, whose sum is 165951072
The reverse of 78448940 is 04984487
Previous prime number is 137
Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8
Name
seventy-eight million four hundred forty-eight thousand nine hundred forty
Scientific notation
7.8448940 × 10^7
Engineering notation
7.8448940 × 10^6
Prime Factorization
2 × 2 × 5 × 137 × 28631
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
39224470
Product of the distinct prime numbers
The prime factorization of 78448940 is 2 × 2 × 5 × 137 × 28631.
Since it has a total of 5 prime factors.
4 , 3 , 23 , 42 , 559 , 897 , 6549 , 2398 , 32875 , 73918 , 771159 , 952556 , 6413289 , 3191789 , 93249068 , 54345776 , 441701042 , 379562956 , 5149413919 , 4123510929
n×2
156897880
n×3
235346820
n×4
313795760
n×5
392244700
n÷2
39224470
n÷3
26149646.666667
n÷3
19612235
n÷5
15689788
n2
6154236187123600
n3
4.8279330538949E+23
n4
3.7874623046902E+31
n5
2.971224030929E+39
2 √n
8857.1406221195
3 √n
428.08403014273
4 √n
94.112382937207
5 √n
37.9242862513
1 , 2 , 4 , 5 , 10 , 20 , 137 , 274 , 548 , 685 , 1370 , 2740 , 28631 , 57262 , 114524 , 143155 , 286310 , 572620 , 3922447 , 7844894 , 15689788 , 19612235 , 39224470 , 78448940
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
-78448939
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 78448940 can be divided by 24 positive divisors.
The sum of these divisors (counting 78448940) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100101011010000100100101100
3
Ternary
12110121121201022
4
Quaternary
10223100210230
5
Quinary
130040331230
6
Senary
11441233312
8
Octal
453204454
10
Decimal
78448940
12
Duodecimal
22332838
16
Hexadecimal
4ad092c
20
Vigesimal
14a6270
36
Base36
1apfl8
md5
178ea4f552fe381af490ce6cc689abcd
sha1
384ec0abb1ec956a9a59838177d50f3ae8f15ffb
sha256
98e497f44a8173184a88cb8020911259bd24d49ea3a99888b99845ed643fa479
sha512
05c344cc17b465d936faa90f7a7d5f281a7b077755babf258fd647081f19f6affe85429a8ed31af3ec417eee8a5f1760c22621538203951763e77b3e53654a4a
ripemd-160
00718b1a030725c3ec1b40176e436aa5fefcf05f
Diameter
156897880
Circumference
492909227.17181
Area
1.9334103193924E+16
Volume
2.0223198685519E+24
Surface area
7.7336412775696E+16
Circumference
492909227.17181
Perimeter
313795760
Area
6154236187123600
Diagonal
110943554.90179
Surface area
36925417122741600
Volume
4.8279330538949E+23
Space diagonal
135877549.87992
Perimeter
235346820
Area
2.6648624394693E+15
Altitude
67938774.939961
Surface area
2.6648624394693E+15
Volume
5.6897736692062E+22
Height
36981184.967264