78383885 is an odd 8-digits composite number following 78383884
and preceding 78383886 . In scientific notation, it is written as 7.8383885 × 10^7.
The sum of its digits is 50. It has a total of 4 prime factors and 16 positive divisors.
There are 59801280 positive integers (up to 78383885) that are relatively prime to 78383885.
78383885 has 16 divisors, whose sum is 98444160
The reverse of 78383885 is 58838387
Previous prime number is 421
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5
Name
seventy-eight million three hundred eighty-three thousand eight hundred eighty-five
Scientific notation
7.8383885 × 10^7
Engineering notation
7.8383885 × 10^6
Prime Factorization
5 × 23 × 421 × 1619
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
78383885
Product of the distinct prime numbers
The prime factorization of 78383885 is 5 × 23 × 421 × 1619.
Since it has a total of 4 prime factors.
3 , 6 , 14 , 99 , 79 , 669 , 9221 , 608 , 47669 , 41059 , 667031 , 433359 , 7354236 , 3854112 , 11486517 , 64874186 , 707936747 , 753854453 , 7988497680 , 2983471733
n×2
156767770
n×3
235151655
n×4
313535540
n×5
391919425
n÷2
39191942.5
n÷3
26127961.666667
n÷3
19595971.25
n÷5
15676777
n2
6144033427693225
n3
4.8159320963246E+23
n4
3.7749146760612E+31
n5
2.9589247785319E+39
2 √n
8853.4673998383
3 √n
427.96566564474
4 √n
94.092865828597
5 √n
37.917994303382
1 , 5 , 23 , 115 , 421 , 1619 , 2105 , 8095 , 9683 , 37237 , 48415 , 186185 , 681599 , 3407995 , 15676777 , 78383885
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
-78383884
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 78383885 can be divided by 16 positive divisors.
The sum of these divisors (counting 78383885) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101011000000101100001101
3
Ternary
12110111022110212
4
Quaternary
10223000230031
5
Quinary
130031241020
6
Senary
11440012205
8
Octal
453005415
10
Decimal
78383885
12
Duodecimal
22301065
16
Hexadecimal
4ac0b0d
20
Vigesimal
149hje5
36
Base36
1ao1e5
md5
95d15898e4a8b6a351a988ae60b77ea2
sha1
2944d98f3ceb17ab52e614f19e66000a5f78f5f2
sha256
83c07ae09de00445a76856038990a9370b733df3f7503d1981d378ebe3d70efb
sha512
00035e7bdd8908c868920798d68b946e70dde6519442293aee4c4ae9fbad92ad505cf3de66d7043c4f938871bbb456cb6b3800393860e4c75f5988eb3abb017a
ripemd-160
abc1400837f73f98e17ee0ad06b42e4ab5419755
Diameter
156767770
Circumference
492500474.55165
Area
1.9302050279851E+16
Volume
2.0172929192001E+24
Surface area
7.7208201119405E+16
Circumference
492500474.55165
Perimeter
313535540
Area
6144033427693225
Diagonal
110851553.23849
Surface area
36864200566159350
Volume
4.8159320963246E+23
Space diagonal
135764871.31464
Perimeter
235151655
Area
2.6604445150416E+15
Altitude
67882435.657318
Surface area
2.6604445150416E+15
Volume
5.6756304050751E+22
Height
36950517.746164