78813 is an odd 5-digits composite number following 78812
and preceding 78814 . In scientific notation, it is written as 7.8813 × 10^4.
The sum of its digits is 27. It has a total of 6 prime factors and 20 positive divisors.
There are 44712 positive integers (up to 78813) that are relatively prime to 78813.
78813 has 20 divisors, whose sum is 135520
The reverse of 78813 is 31887
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 27
Digital Root 9
Name
seventy-eight thousand eight hundred thirteen
Scientific notation
7.8813 × 10^4
Engineering notation
7.8813 × 10^3
Prime Factorization
3 × 7 × 3 × 3 × 3 × 139
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2919
Product of the distinct prime numbers
The prime factorization of 78813 is 3 × 7 × 3 × 3 × 3 × 139.
Since it has a total of 6 prime factors.
9 , 4 , 50 , 69 , 858 , 307 , 4083 , 1520 , 66106 , 678 , 28263 , 783258 , 2925367 , 8219476 , 50178199 , 11100097 , 941211426 , 543852844 , 9003507890 , 1346306061
n×2
157626
n×3
236439
n×4
315252
n×5
394065
n÷2
39406.5
n÷3
26271
n÷3
19703.25
n÷5
15762.6
n2
6211488969
n3
489546080113797
n4
3.8582595212009E+19
n5
3.040810076444E+24
2 √n
280.73653128868
3 √n
42.874521523388
4 √n
16.755194158489
5 √n
9.5349752883566
1 , 3 , 7 , 9 , 21 , 27 , 63 , 81 , 139 , 189 , 417 , 567 , 973 , 1251 , 2919 , 3753 , 8757 , 11259 , 26271 , 78813
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
-78812
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 78813 can be divided by 20 positive divisors.
The sum of these divisors (counting 78813) is 1, the average is 0.05.
Base
System
Value
2
Binary
10011001111011101
3
Ternary
11000010000
4
Quaternary
103033131
5
Quinary
10010223
6
Senary
1404513
8
Octal
231735
10
Decimal
78813
12
Duodecimal
39739
16
Hexadecimal
133dd
20
Vigesimal
9h0d
36
Base36
1ot9
md5
76478fa3d7a419e06b5f27342f0eb99c
sha1
b5f231b06432bfd285a6f3fdabbf6eaab61300f2
sha256
e237847e391e6e44f6eb7fadd938ba3fe7a87d2c053d308f50321efda0d56e89
sha512
7a37814d39d7f1af450223dac71fe7f6cda3c678ad3e2b3e2e7f0212d72fabf91ce5448f977c55c480528d7c8ae65ceaa0e3d08f609974c922edec6da171780f
ripemd-160
bbe7f49f188cb0f6d5e6c9f1803614036b087808
Diameter
157626
Circumference
495196.68361474
Area
19513968112.864
Volume
2.0506058251722E+15
Surface area
78055872451.458
Circumference
495196.68361474
Perimeter
315252
Area
6211488969
Diagonal
111458.41349131
Surface area
37268933814
Volume
489546080113797
Space diagonal
136508.12029693
Perimeter
236439
Area
2689653621.2404
Altitude
68254.060148463
Surface area
2689653621.2404
Volume
57693558825293
Height
37152.804497104