78939997 is an odd 8-digits composite number following 78939996
and preceding 78939998 . In scientific notation, it is written as 7.8939997 × 10^7.
The sum of its digits is 61. It has a total of 2 prime factors and 4 positive divisors.
There are 78906940 positive integers (up to 78939997) that are relatively prime to 78939997.
78939997 has 4 divisors, whose sum is 78973056
The reverse of 78939997 is 79993987
Previous prime number is 2591
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 61
Digital Root 7
Name
seventy-eight million nine hundred thirty-nine thousand nine hundred ninety-seven
Scientific notation
7.8939997 × 10^7
Engineering notation
7.8939997 × 10^6
Prime Factorization
2591 × 30467
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
78939997
Product of the distinct prime numbers
The prime factorization of 78939997 is 2591 × 30467.
Since it has a total of 2 prime factors.
5 , 2 , 46 , 86 , 91 , 785 , 5115 , 1747 , 572 , 49636 , 77226 , 842926 , 3983331 , 4237079 , 61091449 , 96004533 , 61244469 , 328843245 , 9404201399 , 1194328394
n×2
157879994
n×3
236819991
n×4
315759988
n×5
394699985
n÷2
39469998.5
n÷3
26313332.333333
n÷3
19734999.25
n÷5
15787999.4
n2
6231523126360009
n3
4.9191641690029E+23
n4
3.883188047436E+31
n5
3.0653885281503E+39
2 √n
8884.8183436692
3 √n
428.97538088427
4 √n
94.259314360275
5 √n
37.971645799578
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78939996
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78939997 can be divided by 4 positive divisors.
The sum of these divisors (counting 78939997) is 1, the average is 0.25.
Base
System
Value
2
Binary
100101101001000011101011101
3
Ternary
12111112120022121
4
Quaternary
10231020131131
5
Quinary
130202034442
6
Senary
11455542541
8
Octal
455103535
10
Decimal
78939997
12
Duodecimal
2252aa51
16
Hexadecimal
4b4875d
20
Vigesimal
14d79jh
36
Base36
1azyhp
md5
f6e26e83be47782d102053a24d169a40
sha1
676d958ea89cc209383442b5a1ab715ce5b45566
sha256
83ebfd828e1d849b503aa6677f71ef0b256354dc185da4a3ea5a737a122fae38
sha512
7db801e29ba2054ea631865d28e6819dab39c2d63d09838d21df2e2d3e8e7640b74d5f6e65f2a7cc36f036e2f5bf6fa03f9737105fe0ba48c7620a66db1ea693
ripemd-160
900018573217dc8fa35e8abae406fa49fd28d017
Diameter
157879994
Circumference
495994629.2992
Area
1.9576907274448E+16
Volume
2.0605346686856E+24
Surface area
7.830762909779E+16
Circumference
495994629.2992
Perimeter
315759988
Area
6231523126360009
Diagonal
111638014.37109
Surface area
37389138758160054
Volume
4.9191641690029E+23
Space diagonal
136728085.55333
Perimeter
236819991
Area
2.698328665849E+15
Altitude
68364042.776667
Surface area
2.698328665849E+15
Volume
5.7972905694531E+22
Height
37212671.45703