78889393 is an odd 8-digits composite number following 78889392
and preceding 78889394 . In scientific notation, it is written as 7.8889393 × 10^7.
The sum of its digits is 55. It has a total of 3 prime factors and 8 positive divisors.
There are 71319600 positive integers (up to 78889393) that are relatively prime to 78889393.
78889393 has 8 divisors, whose sum is 86538816
The reverse of 78889393 is 39398887
Previous prime number is 181
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 55
Digital Root 1
Name
seventy-eight million eight hundred eighty-nine thousand three hundred ninety-three
Scientific notation
7.8889393 × 10^7
Engineering notation
7.8889393 × 10^6
Prime Factorization
11 × 181 × 39623
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
78889393
Product of the distinct prime numbers
The prime factorization of 78889393 is 11 × 181 × 39623.
Since it has a total of 3 prime factors.
9 , 6 , 67 , 19 , 494 , 172 , 2308 , 2694 , 29485 , 22095 , 745320 , 761715 , 5263035 , 5233154 , 46113938 , 8041094 , 409083660 , 219247901 , 6527368542 , 1602836410
n×2
157778786
n×3
236668179
n×4
315557572
n×5
394446965
n÷2
39444696.5
n÷3
26296464.333333
n÷3
19722348.25
n÷5
15777878.6
n2
6223536327908449
n3
4.9097100322215E+23
n4
3.8732404424796E+31
n5
3.0555758745027E+39
2 √n
8881.9701080335
3 √n
428.88369727977
4 √n
94.244204638977
5 √n
37.966776252739
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78889392
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78889393 can be divided by 8 positive divisors.
The sum of these divisors (counting 78889393) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101100111100000110110001
3
Ternary
12111102222220101
4
Quaternary
10230330012301
5
Quinary
130143430033
6
Senary
11454512401
8
Octal
454740661
10
Decimal
78889393
12
Duodecimal
22505701
16
Hexadecimal
4b3c1b1
20
Vigesimal
14d139d
36
Base36
1ayvg1
md5
f409277fb1a5d29eaebd313c12ca4923
sha1
d3d7f826aa4d4662391353b0ff7c35692458ae5e
sha256
ec6896dbaf468cd03c70da6251ed94754b2f53a97b7016dbe19ae1cffd34072e
sha512
ae1f452cf732adb653f9e399cd410836dcc65dd2c70e3ac8f967904deba6269258691cd4d16d21de6ec89687c259ad2a14efb850e5631765dd27c429e170d6a2
ripemd-160
d55637668e324254cb1d0f089dd0a2b1cf3ce8fe
Diameter
157778786
Circumference
495676674.98992
Area
1.9551816007106E+16
Volume
2.0565745291311E+24
Surface area
7.8207264028426E+16
Circumference
495676674.98992
Perimeter
315557572
Area
6223536327908449
Diagonal
111566449.50798
Surface area
37341217967450694
Volume
4.9097100322215E+23
Space diagonal
136640436.85427
Perimeter
236668179
Area
2.694870280672E+15
Altitude
68320218.427134
Surface area
2.694870280672E+15
Volume
5.7861487624057E+22
Height
37188816.50266