78061808 is an even 8-digits composite number following 78061807
and preceding 78061809 . In scientific notation, it is written as 7.8061808 × 10^7.
The sum of its digits is 38. It has a total of 6 prime factors and 20 positive divisors.
There are 35482560 positive integers (up to 78061808) that are relatively prime to 78061808.
78061808 has 20 divisors, whose sum is 164994648
The reverse of 78061808 is 80816087
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
seventy-eight million sixty-one thousand eight hundred eight
Scientific notation
7.8061808 × 10^7
Engineering notation
7.8061808 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 11 × 443533
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
9757726
Product of the distinct prime numbers
The prime factorization of 78061808 is 2 × 2 × 2 × 2 × 11 × 443533.
Since it has a total of 6 prime factors.
7 , 9 , 67 , 3 , 79 , 762 , 8874 , 7655 , 2462 , 78091 , 935589 , 249167 , 7871819 , 648978 , 72841858 , 6095273 , 776748758 , 651750536 , 5483229498 , 4464296232
n×2
156123616
n×3
234185424
n×4
312247232
n×5
390309040
n÷2
39030904
n÷3
26020602.666667
n÷3
19515452
n÷5
15612361.6
n2
6093645868228864
n3
4.7568101378567E+23
n4
3.7132519967383E+31
n5
2.89863164425E+39
2 √n
8835.2593623504
3 √n
427.37869499204
4 √n
93.996060355476
5 √n
37.886782184159
1 , 2 , 4 , 8 , 11 , 16 , 22 , 44 , 88 , 176 , 443533 , 887066 , 1774132 , 3548264 , 4878863 , 7096528 , 9757726 , 19515452 , 39030904 , 78061808
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
-78061807
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 78061808 can be divided by 20 positive divisors.
The sum of these divisors (counting 78061808) is 1, the average is 0.05.
Base
System
Value
2
Binary
100101001110010000011110000
3
Ternary
12102212221200002
4
Quaternary
10221302003300
5
Quinary
124440434213
6
Senary
11425045132
8
Octal
451620360
10
Decimal
78061808
12
Duodecimal
221867a8
16
Hexadecimal
4a720f0
20
Vigesimal
147hea8
36
Base36
1ah4vk
md5
63107223648265e855e37ddcdecc8221
sha1
375fe772c8fb6922c5cf03fd75fd945cf3e51659
sha256
078e9bcfec1c7bf44a6734f5d8e8702d09e79ee6932eb8a053bce0b8e39b2124
sha512
29899aba964e4b905afadf805a87a2aaa6a0115796bd7650cf859a4dd2424a373666beaeb56dce82d5c47c5dfee934ef170c97562aa3e78498e2790e645694c3
ripemd-160
1a295739e3b723e2ec6ca694f52c79c42d5a8e40
Diameter
156123616
Circumference
490476805.07747
Area
1.9143753093206E+16
Volume
1.9925279711483E+24
Surface area
7.6575012372822E+16
Circumference
490476805.07747
Perimeter
312247232
Area
6093645868228864
Diagonal
110396067.57696
Surface area
36561875209373184
Volume
4.7568101378567E+23
Space diagonal
135207017.58669
Perimeter
234185424
Area
2.6386260617761E+15
Altitude
67603508.793343
Surface area
2.6386260617761E+15
Volume
5.6059545088257E+22
Height
36798689.192322