78729820 is an even 8-digits composite number following 78729819
and preceding 78729821 . In scientific notation, it is written as 7.8729820 × 10^7.
The sum of its digits is 43. It has a total of 5 prime factors and 24 positive divisors.
There are 28694016 positive integers (up to 78729820) that are relatively prime to 78729820.
78729820 has 24 divisors, whose sum is 141704640
The reverse of 78729820 is 02892787
Previous prime number is 79
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
seventy-eight million seven hundred twenty-nine thousand eight hundred twenty
Scientific notation
7.8729820 × 10^7
Engineering notation
7.8729820 × 10^6
Prime Factorization
2 × 2 × 65 × 79 × 3833
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
39364910
Product of the distinct prime numbers
The prime factorization of 78729820 is 2 × 2 × 65 × 79 × 3833.
Since it has a total of 5 prime factors.
9 , 6 , 37 , 50 , 140 , 590 , 678 , 6671 , 32328 , 13089 , 590733 , 712224 , 2274185 , 9202787 , 73551903 , 57288335 , 246897683 , 315077479 , 1583607186 , 8799451192
n×2
157459640
n×3
236189460
n×4
314919280
n×5
393649100
n÷2
39364910
n÷3
26243273.333333
n÷3
19682455
n÷5
15745964
n2
6198384557232400
n3
4.8799770048169E+23
n4
3.8419971119337E+31
n5
3.0247974106306E+39
2 √n
8872.9825876083
3 √n
428.59432819438
4 √n
94.196510485306
5 √n
37.951404401066
1 , 2 , 4 , 65 , 79 , 130 , 158 , 260 , 316 , 3833 , 5135 , 7666 , 10270 , 15332 , 20540 , 249145 , 302807 , 498290 , 605614 , 996580 , 1211228 , 19682455 , 39364910 , 78729820
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78729819
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78729820 can be divided by 24 positive divisors.
The sum of these divisors (counting 78729820) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100101100010101001001011100
3
Ternary
12111010220000021
4
Quaternary
10230111021130
5
Quinary
130123323240
6
Senary
11451241524
8
Octal
454251134
10
Decimal
78729820
12
Duodecimal
224492a4
16
Hexadecimal
4b1525c
20
Vigesimal
14c14b0
36
Base36
1avgbg
md5
bd18298917a5d798ad64225fa31110a2
sha1
e1c7145d2875ca6b73d3f206ba1c0d9881e26b5a
sha256
7d2482b745fe9fb05696f420f8599f33f33edbb90e5b975a756c91591ef8554f
sha512
27f182ed32ed16dddd6c1ee9d2b8d130028ffc3819d2c31ce24f6fcc5cd1c647e399ab1b35ab0cc56776eb66dfa500b0fbafd42230febd359dd152d1d0842e30
ripemd-160
5c6d0481a950285f5899fcfc5b34faaca50d2b48
Diameter
157459640
Circumference
494674048.26089
Area
1.9472799389126E+16
Volume
2.044119987736E+24
Surface area
7.7891197556503E+16
Circumference
494674048.26089
Perimeter
314919280
Area
6198384557232400
Diagonal
111340779.20719
Surface area
37190307343394400
Volume
4.8799770048169E+23
Space diagonal
136364048.31075
Perimeter
236189460
Area
2.6839792444942E+15
Altitude
68182024.155376
Surface area
2.6839792444942E+15
Volume
5.7511080535674E+22
Height
37113593.069064