78424 is an even 5-digits composite number following 78423
and preceding 78425 . In scientific notation, it is written as 7.8424 × 10^4.
The sum of its digits is 25. It has a total of 4 prime factors and 8 positive divisors.
There are 39208 positive integers (up to 78424) that are relatively prime to 78424.
78424 has 8 divisors, whose sum is 147060
The reverse of 78424 is 42487
Previous prime number is 2
Is Prime? no
Number parity even
Number length 5
Sum of Digits 25
Digital Root 7
Name
seventy-eight thousand four hundred twenty-four
Scientific notation
7.8424 × 10^4
Engineering notation
7.8424 × 10^3
Prime Factorization
2 × 2 × 2 × 9803
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19606
Product of the distinct prime numbers
The prime factorization of 78424 is 2 × 2 × 2 × 9803.
Since it has a total of 4 prime factors.
2 , 3 , 99 , 94 , 987 , 506 , 721 , 9070 , 44245 , 70371 , 627069 , 459422 , 2755528 , 6543456 , 66429803 , 33646773 , 160041844 , 517406638 , 426027404 , 1901946688
n×2
156848
n×3
235272
n×4
313696
n×5
392120
n÷2
39212
n÷3
26141.333333333
n÷3
19606
n÷5
15684.8
n2
6150323776
n3
482332991809024
n4
3.7826482549631E+19
n5
2.9665040674723E+24
2 √n
280.04285386348
3 √n
42.803866072876
4 √n
16.734480985781
5 √n
9.5255442299993
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
-78423
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 78424 can be divided by 8 positive divisors.
The sum of these divisors (counting 78424) is 1, the average is 0.125.
Base
System
Value
2
Binary
10011001001011000
3
Ternary
10222120121
4
Quaternary
103021120
5
Quinary
10002144
6
Senary
1403024
8
Octal
231130
10
Decimal
78424
12
Duodecimal
39474
16
Hexadecimal
13258
20
Vigesimal
9g14
36
Base36
1oig
md5
5f4333ff6516088a5140e63cdf75183a
sha1
f859e4aba66742398e84bc0d673ced12931de809
sha256
6857bb578b825095bd98ca3310d7cd9c452ef6fed74e84b5c05b78c222131a92
sha512
ccd3f0ab35bbe4cd03096efc9c803552c9f15801b610f84c64396033cd0ead22e8bbdaa391fd1b7214bac1fe2410599aa94421020c98ed8d7aad1784d21eafa0
ripemd-160
836644e64770caa8b262753ef60dcb57af2c9e5e
Diameter
156848
Circumference
492752.52453025
Area
19321811991.88
Volume
2.020391711535E+15
Surface area
77287247967.521
Circumference
492752.52453025
Perimeter
313696
Area
6150323776
Diagonal
110908.28441555
Surface area
36901942656
Volume
482332991809024
Space diagonal
135834.35253278
Perimeter
235272
Area
2663168315.7577
Altitude
67917.176266391
Surface area
2663168315.7577
Volume
56843488216359
Height
36969.428138516