78996821 is an odd 8-digits prime number following 78996820
and preceding 78996822 . In scientific notation, it is written as 7.8996821 × 10^7.
The sum of its digits is 50. It has a total of 1 prime factors and 2 positive divisors.
There are 78996820 positive integers (up to 78996821) that are relatively prime to 78996821.
78996821 has 2 divisors, whose sum is 78996822
The reverse of 78996821 is 12869987
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5
Name
seventy-eight million nine hundred ninety-six thousand eight hundred twenty-one
Scientific notation
7.8996821 × 10^7
Engineering notation
7.8996821 × 10^6
Prime Factorization
78996821
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
78996821
Product of the distinct prime numbers
The prime factorization of 78996821 is 78996821.
Since it has a total of 1 prime factors.
2 , 9 , 16 , 37 , 377 , 653 , 6346 , 2214 , 25462 , 98833 , 716588 , 542448 , 8320133 , 6710395 , 11385704 , 59688737 , 387614378 , 965931251 , 7894940441 , 6783710322
n×2
157993642
n×3
236990463
n×4
315987284
n×5
394984105
n÷2
39498410.5
n÷3
26332273.666667
n÷3
19749205.25
n÷5
15799364.2
n2
6240497728106041
n3
4.929794819781E+23
n4
3.8943811894497E+31
n5
3.0764373372872E+39
2 √n
8888.0155827946
3 √n
429.07828710571
4 √n
94.276272639486
5 √n
37.977110912
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
78996822
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
39498411
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
8888.0156390501
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999746825
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78996821 can be divided by 2 positive divisors.
The sum of these divisors (counting 78996821) is 78996822, the average is 39498411.
Base
System
Value
2
Binary
100101101010110010101010101
3
Ternary
12111122110021012
4
Quaternary
10231112111111
5
Quinary
130210344241
6
Senary
11501102005
8
Octal
455262525
10
Decimal
78996821
12
Duodecimal
22557905
16
Hexadecimal
4b56555
20
Vigesimal
14dec11
36
Base36
1b16c5
md5
3176e71e19e16dbbc69748839a2f81fb
sha1
4b7e9e246e8cc6d05f3fd45fec80ffd3028f518c
sha256
995ac33d995635847360015bddebe6ae7455aa1d888204fade6e43319f5e6677
sha512
78a8d9e0081f8a7af72d12d87987b828e726f4ec214799290ffabdb7a527c212b93554af18e211853b32edc8a5e6ddd33b8d403ecea393b12c10b88bd0a9ee65
ripemd-160
5a35c330667aee20aa8dceae33e6c2bb00d49070
Diameter
157993642
Circumference
496351665.0211
Area
1.9605101817362E+16
Volume
2.0649876252705E+24
Surface area
7.8420407269447E+16
Circumference
496351665.0211
Perimeter
315987284
Area
6240497728106041
Diagonal
111718375.64256
Surface area
37442986368636246
Volume
4.929794819781E+23
Space diagonal
136826507.60842
Perimeter
236990463
Area
2.7022147823995E+15
Altitude
68413253.804212
Surface area
2.7022147823995E+15
Volume
5.8098189115424E+22
Height
37239458.54752