78889394 is an even 8-digits composite number following 78889393
and preceding 78889395 . In scientific notation, it is written as 7.8889394 × 10^7.
The sum of its digits is 56. It has a total of 3 prime factors and 8 positive divisors.
There are 39419316 positive integers (up to 78889394) that are relatively prime to 78889394.
78889394 has 8 divisors, whose sum is 118410240
The reverse of 78889394 is 49398887
Previous prime number is 1663
Is Prime? no
Number parity even
Number length 8
Sum of Digits 56
Digital Root 2
Name
seventy-eight million eight hundred eighty-nine thousand three hundred ninety-four
Scientific notation
7.8889394 × 10^7
Engineering notation
7.8889394 × 10^6
Prime Factorization
2 × 1663 × 23719
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
78889394
Product of the distinct prime numbers
The prime factorization of 78889394 is 2 × 1663 × 23719.
Since it has a total of 3 prime factors.
10 , 7 , 87 , 86 , 496 , 273 , 5027 , 6712 , 44653 , 669 , 755387 , 81607 , 6733764 , 2856072 , 25035242 , 8417096 , 423219669 , 275311955 , 4012478813 , 2403357880
n×2
157778788
n×3
236668182
n×4
315557576
n×5
394446970
n÷2
39444697
n÷3
26296464.666667
n÷3
19722348.5
n÷5
15777878.8
n2
6223536485687236
n3
4.9097102189276E+23
n4
3.873240638868E+31
n5
3.0555760681647E+39
2 √n
8881.9701643273
3 √n
428.88369909194
4 √n
94.244204937637
5 √n
37.966776348992
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
-78889393
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 78889394 can be divided by 8 positive divisors.
The sum of these divisors (counting 78889394) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101100111100000110110010
3
Ternary
12111102222220102
4
Quaternary
10230330012302
5
Quinary
130143430034
6
Senary
11454512402
8
Octal
454740662
10
Decimal
78889394
12
Duodecimal
22505702
16
Hexadecimal
4b3c1b2
20
Vigesimal
14d139e
36
Base36
1ayvg2
md5
9ea010881fec80a4411d19e3a8418a6a
sha1
7a1d422ae402829cb5b950b2d2ebe59b8e3d41f2
sha256
a5f9ef7deac7283da9ff48b27811561b5efe93966638140d34b2200f645a27e3
sha512
0038189f3b2a5b2e68639a3a114e5ddf61ecc42d9b451427b5eb3eb04e3b1c0609a6527411c0c7bebd037171fcd8a9c79a78965080018401d39071a4dbe9d2ee
ripemd-160
38b4ee0ec416960d1be56b663ea47b174311a324
Diameter
157778788
Circumference
495676681.2731
Area
1.9551816502783E+16
Volume
2.0565746073383E+24
Surface area
7.8207266011132E+16
Circumference
495676681.2731
Perimeter
315557576
Area
6223536485687236
Diagonal
111566450.92219
Surface area
37341218914123416
Volume
4.9097102189276E+23
Space diagonal
136640438.58632
Perimeter
236668182
Area
2.6948703489922E+15
Altitude
68320219.29316
Surface area
2.6948703489922E+15
Volume
5.7861489824409E+22
Height
37188816.974065