78449825 is an odd 8-digits composite number following 78449824
and preceding 78449826 . In scientific notation, it is written as 7.8449825 × 10^7.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 62759840 positive integers (up to 78449825) that are relatively prime to 78449825.
78449825 has 4 divisors, whose sum is 81587844
The reverse of 78449825 is 52894487
Previous prime number is 25
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
seventy-eight million four hundred forty-nine thousand eight hundred twenty-five
Scientific notation
7.8449825 × 10^7
Engineering notation
7.8449825 × 10^6
Prime Factorization
25 × 3137993
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
78449825
Product of the distinct prime numbers
The prime factorization of 78449825 is 25 × 3137993.
Since it has a total of 2 prime factors.
4 , 1 , 39 , 23 , 685 , 754 , 6438 , 7289 , 85466 , 10893 , 516133 , 506209 , 6220481 , 1435907 , 64996347 , 26174243 , 502389013 , 908776459 , 3459085802 , 2086518791
n×2
156899650
n×3
235349475
n×4
313799300
n×5
392249125
n÷2
39224912.5
n÷3
26149941.666667
n÷3
19612456.25
n÷5
15689965
n2
6154375042530625
n3
4.828096450709E+23
n4
3.7876332164124E+31
n5
2.9713916299174E+39
2 √n
8857.1905816687
3 √n
428.08563990717
4 √n
94.112648361783
5 √n
37.924371817381
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78449824
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78449825 can be divided by 4 positive divisors.
The sum of these divisors (counting 78449825) is 1, the average is 0.25.
Base
System
Value
2
Binary
100101011010000110010100001
3
Ternary
12110121122221002
4
Quaternary
10223100302201
5
Quinary
130040343300
6
Senary
11441241345
8
Octal
453206241
10
Decimal
78449825
12
Duodecimal
22333255
16
Hexadecimal
4ad0ca1
20
Vigesimal
14a64b5
36
Base36
1apg9t
md5
60b316a97cec0745337de9011019a723
sha1
e833fcc94ec45a1d33b418b335d74a40c80a2ae3
sha256
195be0c2b917c0af168e76548c1614746e39d53aff11cebcc15d12d0f8905902
sha512
d3d819c07abbf556ec6ed6b7a5b1c630dcbde6211cd0b32f520f97017906c7fa1afd7d44c05ec85f01fedd16fcd2b60a6169db128a8034532ada117158ed8b9e
ripemd-160
70078f07dd3a2ea1ad924fbd06b74201d6f18a43
Diameter
156899650
Circumference
492914787.79081
Area
1.9334539421051E+16
Volume
2.0223883120494E+24
Surface area
7.7338157684202E+16
Circumference
492914787.79081
Perimeter
313799300
Area
6154375042530625
Diagonal
110944806.4808
Surface area
36926250255183750
Volume
4.828096450709E+23
Space diagonal
135879082.74489
Perimeter
235349475
Area
2.6649225656242E+15
Altitude
67939541.372444
Surface area
2.6649225656242E+15
Volume
5.6899662341983E+22
Height
36981602.160265