78443885 is an odd 8-digits composite number following 78443884
and preceding 78443886 . In scientific notation, it is written as 7.8443885 × 10^7.
The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors.
There are 56070144 positive integers (up to 78443885) that are relatively prime to 78443885.
78443885 has 16 divisors, whose sum is 101915184
The reverse of 78443885 is 58834487
Previous prime number is 6253
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
seventy-eight million four hundred forty-three thousand eight hundred eighty-five
Scientific notation
7.8443885 × 10^7
Engineering notation
7.8443885 × 10^6
Prime Factorization
5 × 13 × 6253 × 193
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
78443885
Product of the distinct prime numbers
The prime factorization of 78443885 is 5 × 13 × 6253 × 193.
Since it has a total of 4 prime factors.
10 , 2 , 68 , 75 , 775 , 68 , 6137 , 2640 , 42151 , 60173 , 519777 , 440115 , 2404442 , 9457352 , 52007687 , 32208588 , 710611244 , 641142404 , 7991572712 , 3818859021
n×2
156887770
n×3
235331655
n×4
313775540
n×5
392219425
n÷2
39221942.5
n÷3
26147961.666667
n÷3
19610971.25
n÷5
15688777
n2
6153443093893225
n3
4.826999824114E+23
n4
3.7864861909782E+31
n5
2.9702668731918E+39
2 √n
8856.8552545472
3 √n
428.07483515444
4 √n
94.11086682497
5 √n
37.923797494642
1 , 5 , 13 , 65 , 193 , 965 , 2509 , 6253 , 12545 , 31265 , 81289 , 406445 , 1206829 , 6034145 , 15688777 , 78443885
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78443884
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78443885 can be divided by 16 positive divisors.
The sum of these divisors (counting 78443885) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101011001111010101101101
3
Ternary
12110121100210002
4
Quaternary
10223033111231
5
Quinary
130040201020
6
Senary
11441154045
8
Octal
453172555
10
Decimal
78443885
12
Duodecimal
2232b925
16
Hexadecimal
4acf56d
20
Vigesimal
14a59e5
36
Base36
1apbot
md5
7209b9631a05b9381d1dadb236038ebb
sha1
44082b628e7954df93e3fc964b1fbddf3e3e2f14
sha256
830923d6a08ad7c379dcd97fca0ac3dc323d79e53ca1e76924abd2475319cca8
sha512
46588277a79733cfe482a71a33c083a901c681c56fabc0b7bcd68a74ed5e32f12485f1ce17e2ff7be785299032ea96a7acef5aa2d277b743f767f6d4f67eb798
ripemd-160
1111badd045533446290a5d7d0cfb7d9a8c55067
Diameter
156887770
Circumference
492877465.67009
Area
1.9331611618058E+16
Volume
2.0219289581755E+24
Surface area
7.7326446472231E+16
Circumference
492877465.67009
Perimeter
313775540
Area
6153443093893225
Diagonal
110936406.05224
Surface area
36920658563359350
Volume
4.826999824114E+23
Space diagonal
135868794.36309
Perimeter
235331655
Area
2.6645190200267E+15
Altitude
67934397.181545
Surface area
2.6645190200267E+15
Volume
5.6886738473622E+22
Height
36978802.017412