78839280 is an even 8-digits composite number following 78839279
and preceding 78839281 . In scientific notation, it is written as 7.8839280 × 10^7.
The sum of its digits is 45. It has a total of 6 prime factors and 20 positive divisors.
There are 19404288 positive integers (up to 78839280) that are relatively prime to 78839280.
78839280 has 20 divisors, whose sum is 153030384
The reverse of 78839280 is 08293887
Previous prime number is 585
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
seventy-eight million eight hundred thirty-nine thousand two hundred eighty
Scientific notation
7.8839280 × 10^7
Engineering notation
7.8839280 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 585 × 8423
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
9854910
Product of the distinct prime numbers
The prime factorization of 78839280 is 2 × 2 × 2 × 2 × 585 × 8423.
Since it has a total of 6 prime factors.
1 , 9 , 77 , 52 , 708 , 211 , 4869 , 9235 , 5786 , 4280 , 752102 , 579286 , 5701925 , 9112557 , 18575990 , 13591619 , 281336774 , 626436934 , 7452771572 , 5510097681
n×2
157678560
n×3
236517840
n×4
315357120
n×5
394196400
n÷2
39419640
n÷3
26279760
n÷3
19709820
n÷5
15767856
n2
6215632070918400
n3
4.9003595721612E+23
n4
3.8634082041029E+31
n5
3.0458832115757E+39
2 √n
8879.148607834
3 √n
428.79286461543
4 √n
94.229234358738
5 √n
37.961951490843
1 , 2 , 4 , 8 , 16 , 585 , 1170 , 2340 , 4680 , 8423 , 9360 , 16846 , 33692 , 67384 , 134768 , 4927455 , 9854910 , 19709820 , 39419640 , 78839280
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
-78839279
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 78839280 can be divided by 20 positive divisors.
The sum of these divisors (counting 78839280) is 1, the average is 0.05.
Base
System
Value
2
Binary
100101100101111110111110000
3
Ternary
12111100110011100
4
Quaternary
10230233313300
5
Quinary
130140324110
6
Senary
11453444400
8
Octal
454576760
10
Decimal
78839280
12
Duodecimal
224a0700
16
Hexadecimal
4b2fdf0
20
Vigesimal
14cei40
36
Base36
1axss0
md5
550a5dd11ef100dc53046adfa37bab9d
sha1
b1c64091f1dcdd5ceee0afbfbce11d9dc7759db8
sha256
e568fe46ecdaed77dc244a6afeffee23a0691daea020b94de1666293bc32acce
sha512
6ce9b46f5b7f02d64c10cced482661f09dda4e5e531f038bcab6a5fcbf39d6b6a991c4646bd92fa24c469ddd09d020d7313d8103fa4cafd068fb49c0907c4724
ripemd-160
72bf43fa35718b8112ff53b1a1474e37d86180c7
Diameter
157678560
Circumference
495361805.72462
Area
1.9526984051414E+16
Volume
2.05265781758E+24
Surface area
7.8107936205657E+16
Circumference
495361805.72462
Perimeter
315357120
Area
6215632070918400
Diagonal
111495579.02373
Surface area
37293792425510400
Volume
4.9003595721612E+23
Space diagonal
136553638.59215
Perimeter
236517840
Area
2.6914476369963E+15
Altitude
68276819.296074
Surface area
2.6914476369963E+15
Volume
5.7751291395459E+22
Height
37165193.00791