78446540 is an even 8-digits composite number following 78446539
and preceding 78446541 . In scientific notation, it is written as 7.8446540 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors.
There are 31378608 positive integers (up to 78446540) that are relatively prime to 78446540.
78446540 has 12 divisors, whose sum is 164737776
The reverse of 78446540 is 04564487
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
seventy-eight million four hundred forty-six thousand five hundred forty
Scientific notation
7.8446540 × 10^7
Engineering notation
7.8446540 × 10^6
Prime Factorization
2 × 2 × 5 × 3922327
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
39223270
Product of the distinct prime numbers
The prime factorization of 78446540 is 2 × 2 × 5 × 3922327.
Since it has a total of 4 prime factors.
8 , 7 , 97 , 82 , 54 , 819 , 746 , 8839 , 47732 , 20001 , 95503 , 455554 , 7844133 , 819816 , 86837409 , 1316809 , 213136670 , 194990499 , 716160555 , 6351766916
n×2
156893080
n×3
235339620
n×4
313786160
n×5
392232700
n÷2
39223270
n÷3
26148846.666667
n÷3
19611635
n÷5
15689308
n2
6153859637971600
n3
4.8274899624452E+23
n4
3.7869988443856E+31
n5
2.9707695632605E+39
2 √n
8857.0051371781
3 √n
428.07966461891
4 √n
94.111663130444
5 √n
37.924054203803
1 , 2 , 4 , 5 , 10 , 20 , 3922327 , 7844654 , 15689308 , 19611635 , 39223270 , 78446540
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78446539
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78446540 can be divided by 12 positive divisors.
The sum of these divisors (counting 78446540) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100101011001111111111001100
3
Ternary
12110121111102102
4
Quaternary
10223033333030
5
Quinary
130040242130
6
Senary
11441214232
8
Octal
453177714
10
Decimal
78446540
12
Duodecimal
22331378
16
Hexadecimal
4acffcc
20
Vigesimal
14a5g70
36
Base36
1apdqk
md5
8d28141fdf20068ce385ef24c858d72f
sha1
17d26b7cd1a3f873ddd9c241d57ebc5263ab695d
sha256
75f8e1d7fb6ff541f0d54221179f4b943874082a3e24cb6639524145e3ff9f36
sha512
13ad9fe30f892aff23f46ce109335de2e44e08a3874c4a8fe36c77aa8cb9d035221347982be8e4427ac07c9b3f6c1c9c194839c44d706f13125ab29e946b5ed5
ripemd-160
2f34ef4e31850947211527549d19ff739bdcc778
Diameter
156893080
Circumference
492894147.52708
Area
1.9332920229874E+16
Volume
2.0221342668395E+24
Surface area
7.7331680919497E+16
Circumference
492894147.52708
Perimeter
313786160
Area
6153859637971600
Diagonal
110940160.78924
Surface area
36923157827829600
Volume
4.8274899624452E+23
Space diagonal
135873392.95798
Perimeter
235339620
Area
2.6646993889036E+15
Altitude
67936696.478992
Surface area
2.6646993889036E+15
Volume
5.689251480925E+22
Height
36980053.596414