78665613 is an odd 8-digits composite number following 78665612
and preceding 78665614 . In scientific notation, it is written as 7.8665613 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 45556992 positive integers (up to 78665613) that are relatively prime to 78665613.
78665613 has 16 divisors, whose sum is 92010240
The reverse of 78665613 is 31656687
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
seventy-eight million six hundred sixty-five thousand six hundred thirteen
Scientific notation
7.8665613 × 10^7
Engineering notation
7.8665613 × 10^6
Prime Factorization
39 × 17 × 13 × 9127
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
78665613
Product of the distinct prime numbers
The prime factorization of 78665613 is 39 × 17 × 13 × 9127.
Since it has a total of 4 prime factors.
6 , 8 , 92 , 57 , 344 , 883 , 2471 , 2426 , 89425 , 87620 , 22361 , 565709 , 7822859 , 8940295 , 13819449 , 13479128 , 879111835 , 458113731 , 8290935148 , 8337911463
n×2
157331226
n×3
235996839
n×4
314662452
n×5
393328065
n÷2
39332806.5
n÷3
26221871
n÷3
19666403.25
n÷5
15733122.6
n2
6188278668665769
n3
4.8680473488542E+23
n4
3.8294792881064E+31
n5
3.0124833566969E+39
2 √n
8869.3637314071
3 √n
428.47778514345
4 √n
94.177299448472
5 √n
37.945212233694
1 , 13 , 17 , 39 , 221 , 507 , 663 , 8619 , 9127 , 118651 , 155159 , 355953 , 2017067 , 4627389 , 6051201 , 78665613
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78665612
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78665613 can be divided by 16 positive divisors.
The sum of these divisors (counting 78665613) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101100000101011110001101
3
Ternary
12111000121221020
4
Quaternary
10230011132031
5
Quinary
130114244423
6
Senary
11450024353
8
Octal
454053615
10
Decimal
78665613
12
Duodecimal
224180b9
16
Hexadecimal
4b0578d
20
Vigesimal
14bd40d
36
Base36
1au2rx
md5
e8384d0e3de1aea92909b249083b1261
sha1
967c9795751a270856ae81d4272b4bd54e515837
sha256
28f01efeed9fe4fc4e1eaa84e7e579e5d7dccb32e7f5cd8808386b0cbe0bd79c
sha512
10a2664b1d96d6d6825598613394561188428e755a0fc1264d77fb2d4719d01ab3cfa6140c108009ec7a528d2c09aa18ce434761d52cfe0c09ba6caaca7ada1a
ripemd-160
e950f88a9b5f3dcd639f6128544d7daba603be75
Diameter
157331226
Circumference
494270623.78188
Area
1.9441050803847E+16
Volume
2.0391229051317E+24
Surface area
7.7764203215387E+16
Circumference
494270623.78188
Perimeter
314662452
Area
6188278668665769
Diagonal
111249976.79699
Surface area
37129672011994614
Volume
4.8680473488542E+23
Space diagonal
136252838.52455
Perimeter
235996839
Area
2.679603266381E+15
Altitude
68126419.262275
Surface area
2.679603266381E+15
Volume
5.7370488191866E+22
Height
37083325.598998