78864 is an even 5-digits composite number following 78863
and preceding 78865 . In scientific notation, it is written as 7.8864 × 10^4.
The sum of its digits is 33. It has a total of 7 prime factors and 40 positive divisors.
There are 24960 positive integers (up to 78864) that are relatively prime to 78864.
78864 has 40 divisors, whose sum is 214272
The reverse of 78864 is 46887
Previous prime number is 53
Is Prime? no
Number parity even
Number length 5
Sum of Digits 33
Digital Root 6
Name
seventy-eight thousand eight hundred sixty-four
Scientific notation
7.8864 × 10^4
Engineering notation
7.8864 × 10^3
Prime Factorization
2 × 2 × 2 × 2 × 3 × 53 × 31
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
9858
Product of the distinct prime numbers
The prime factorization of 78864 is 2 × 2 × 2 × 2 × 3 × 53 × 31.
Since it has a total of 7 prime factors.
6 , 1 , 4 , 77 , 311 , 686 , 764 , 9945 , 74240 , 92588 , 62420 , 483520 , 1699352 , 1390578 , 44598302 , 23313347 , 536369836 , 548199615 , 2460422247 , 4330405424
n×2
157728
n×3
236592
n×4
315456
n×5
394320
n÷2
39432
n÷3
26288
n÷3
19716
n÷5
15772.8
n2
6219530496
n3
490497053036544
n4
3.8682559590674E+19
n5
3.0506613795589E+24
2 √n
280.82734909549
3 √n
42.883767583118
4 √n
16.75790407824
5 √n
9.5362089881742
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 31 , 48 , 53 , 62 , 93 , 106 , 124 , 159 , 186 , 212 , 248 , 318 , 372 , 424 , 496 , 636 , 744 , 848 , 1272 , 1488 , 1643 , 2544 , 3286 , 4929 , 6572 , 9858 , 13144 , 19716 , 26288 , 39432 , 78864
40 divisors
τ
Total Divisors
40
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78863
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.025
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
40
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78864 can be divided by 40 positive divisors.
The sum of these divisors (counting 78864) is 1, the average is 0.025.
Base
System
Value
2
Binary
10011010000010000
3
Ternary
11000011220
4
Quaternary
103100100
5
Quinary
10010424
6
Senary
1405040
8
Octal
232020
10
Decimal
78864
12
Duodecimal
39780
16
Hexadecimal
13410
20
Vigesimal
9h34
36
Base36
1ouo
md5
3e6af247d6275fe0c5d635dda4db95a1
sha1
69552a79c07da9553f017e3ac69aef9b09dcacff
sha256
4335d2c1a0690a645b6422eb8f7b786b661e9cdae1b656e0a277aa274b3479de
sha512
6272d3a33c68a7a84c0820f8ca53f8dbf1e4e644bff748d0f8841be0835c8dfa071537a2ff359104f0d282492a10e68291492ff510948875b8d85b6af7200720
ripemd-160
f5a22ca4bf8eeb4904edaf50a1f59baf490cd201
Diameter
157728
Circumference
495517.12606541
Area
19539231315.011
Volume
2.0545892512361E+15
Surface area
78156925260.045
Circumference
495517.12606541
Perimeter
315456
Area
6219530496
Diagonal
111530.53838299
Surface area
37317182976
Volume
490497053036544
Space diagonal
136596.45488811
Perimeter
236592
Area
2693135704.574
Altitude
68298.227444056
Surface area
2693135704.574
Volume
57805632059026
Height
37176.846127664