78449375 is an odd 8-digits composite number following 78449374
and preceding 78449376 . In scientific notation, it is written as 7.8449375 × 10^7.
The sum of its digits is 47. It has a total of 5 prime factors and 20 positive divisors.
There are 60720000 positive integers (up to 78449375) that are relatively prime to 78449375.
78449375 has 20 divisors, whose sum is 101217600
The reverse of 78449375 is 57394487
Previous prime number is 31
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 three hundred seventy-five
Scientific notation
7.8449375 × 10^7
Engineering notation
7.8449375 × 10^6
Prime Factorization
5 × 5 × 25 × 31 × 4049
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
15689875
Product of the distinct prime numbers
The prime factorization of 78449375 is 5 × 5 × 25 × 31 × 4049.
Since it has a total of 5 prime factors.
7 , 9 , 51 , 97 , 629 , 393 , 6934 , 1969 , 64218 , 52641 , 684164 , 105481 , 8199836 , 9906331 , 51468854 , 50927278 , 308804164 , 494524187 , 9711157013 , 1785780019
n×2
156898750
n×3
235348125
n×4
313797500
n×5
392246875
n÷2
39224687.5
n÷3
26149791.666667
n÷3
19612343.75
n÷5
15689875
n2
6154304437890625
n3
4.8280133671225E+23
n4
3.787546311424E+31
n5
2.9713064091477E+39
2 √n
8857.1651785433
3 √n
428.08482138439
4 √n
94.112513400415
5 √n
37.924328309301
1 , 5 , 25 , 31 , 125 , 155 , 625 , 775 , 3875 , 4049 , 19375 , 20245 , 101225 , 125519 , 506125 , 627595 , 2530625 , 3137975 , 15689875 , 78449375
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78449374
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78449375 can be divided by 20 positive divisors.
The sum of these divisors (counting 78449375) is 1, the average is 0.05.
Base
System
Value
2
Binary
100101011010000101011011111
3
Ternary
12110121122022102
4
Quaternary
10223100223133
5
Quinary
130040340000
6
Senary
11441235315
8
Octal
453205337
10
Decimal
78449375
12
Duodecimal
22332b3b
16
Hexadecimal
4ad0adf
20
Vigesimal
14a638f
36
Base36
1apfxb
md5
8252d83bc0390c2c000a33a06a454c00
sha1
76261ac3f62f8b09bf808064981861bde00e2ed4
sha256
5190e3a0946803f185b41b2f4694efbedcdf610dff39935306ee59d063770fb4
sha512
55a392e0b2756dc3aceff3fc91df51f4585d2a5b516f07aa4a260f236f816090786613a2efcb369f7a1b3a5bd94b5cb95bfd8cfe70be0c3e48de3841819e1545
ripemd-160
53e3f45fe3627fc6ee73f2531bc17f4429a26e34
Diameter
156898750
Circumference
492911960.35742
Area
1.9334317610032E+16
Volume
2.022353510078E+24
Surface area
7.7337270440129E+16
Circumference
492911960.35742
Perimeter
313797500
Area
6154304437890625
Diagonal
110944170.08469
Surface area
36925826627343750
Volume
4.8280133671225E+23
Space diagonal
135878303.32202
Perimeter
235348125
Area
2.6648919929183E+15
Altitude
67939151.661012
Surface area
2.6648919929183E+15
Volume
5.6898683192526E+22
Height
36981390.028231