78449505 is an odd 8-digits composite number following 78449504
and preceding 78449506 . In scientific notation, it is written as 7.8449505 × 10^7.
The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors.
There are 41839728 positive integers (up to 78449505) that are relatively prime to 78449505.
78449505 has 4 divisors, whose sum is 83679488
The reverse of 78449505 is 50594487
Previous prime number is 15
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
seventy-eight million four hundred forty-nine thousand five hundred five
Scientific notation
7.8449505 × 10^7
Engineering notation
7.8449505 × 10^6
Prime Factorization
15 × 5229967
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
78449505
Product of the distinct prime numbers
The prime factorization of 78449505 is 15 × 5229967.
Since it has a total of 2 prime factors.
1 , 7 , 3 , 46 , 387 , 599 , 5687 , 8011 , 17861 , 5363 , 896397 , 10708 , 6333132 , 9850769 , 53553646 , 82352867 , 931788969 , 82671755 , 9680926752 , 6015860604
n×2
156899010
n×3
235348515
n×4
313798020
n×5
392247525
n÷2
39224752.5
n÷3
26149835
n÷3
19612376.25
n÷5
15689901
n2
6154324834745025
n3
4.8280373689495E+23
n4
3.7875714171559E+31
n5
2.9713310282803E+39
2 √n
8857.1725172314
3 √n
428.08505784685
4 √n
94.112552389314
5 √n
37.924340878322
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
-78449504
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 78449505 can be divided by 4 positive divisors.
The sum of these divisors (counting 78449505) is 1, the average is 0.25.
Base
System
Value
2
Binary
100101011010000101101100001
3
Ternary
12110121122111020
4
Quaternary
10223100231201
5
Quinary
130040341010
6
Senary
11441240053
8
Octal
453205541
10
Decimal
78449505
12
Duodecimal
22333029
16
Hexadecimal
4ad0b61
20
Vigesimal
14a63f5
36
Base36
1apg0x
md5
70b2b4d9ff33b149143c10a91243fbf9
sha1
b7a3cff8d35cdda55697a592ba33b78c25116240
sha256
40821f050cd9390f01e88892216c0f30e2c0c3091a94e2d1b8f647d25c8f4dff
sha512
8b165ab5cfdac0e78f0d6b59ca813bfa160c459dfd2caa858b37af11142845e9b08bd622125eeb3d7c084bff573f78d4f06c4da49c9de23d604d88435192c2c6
ripemd-160
7b0e357758ee6a52da18fc48a05753e96a6a7036
Diameter
156899010
Circumference
492912777.17151
Area
1.933438168864E+16
Volume
2.0223635639398E+24
Surface area
7.7337526754561E+16
Circumference
492912777.17151
Perimeter
313798020
Area
6154324834745025
Diagonal
110944353.93246
Surface area
36925949008470150
Volume
4.8280373689495E+23
Space diagonal
135878528.48863
Perimeter
235348515
Area
2.6649008250153E+15
Altitude
67939264.244314
Surface area
2.6649008250153E+15
Volume
5.6898966056771E+22
Height
36981451.310819