78391317 is an odd 8-digits composite number following 78391316
and preceding 78391318 . In scientific notation, it is written as 7.8391317 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 51517440 positive integers (up to 78391317) that are relatively prime to 78391317.
78391317 has 16 divisors, whose sum is 106020288
The reverse of 78391317 is 71319387
Previous prime number is 131
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
seventy-eight million three hundred ninety-one thousand three hundred seventeen
Scientific notation
7.8391317 × 10^7
Engineering notation
7.8391317 × 10^6
Prime Factorization
3 × 173 × 131 × 1153
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
78391317
Product of the distinct prime numbers
The prime factorization of 78391317 is 3 × 173 × 131 × 1153.
Since it has a total of 4 prime factors.
2 , 5 , 19 , 64 , 774 , 241 , 4748 , 9588 , 89780 , 80501 , 489902 , 766267 , 2847581 , 544133 , 51864250 , 67207179 , 534775073 , 572839270 , 638545151 , 877765254
n×2
156782634
n×3
235173951
n×4
313565268
n×5
391956585
n÷2
39195658.5
n÷3
26130439
n÷3
19597829.25
n÷5
15678263.4
n2
6145198580994489
n3
4.8173020999069E+23
n4
3.7763465599857E+31
n5
2.960327802857E+39
2 √n
8853.8871124495
3 √n
427.97919113028
4 √n
94.095096112654
5 √n
37.91871331813
1 , 3 , 131 , 173 , 393 , 519 , 1153 , 3459 , 22663 , 67989 , 151043 , 199469 , 453129 , 598407 , 26130439 , 78391317
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
-78391316
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 78391317 can be divided by 16 positive divisors.
The sum of these divisors (counting 78391317) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101011000010100000010101
3
Ternary
12110111200200010
4
Quaternary
10223002200111
5
Quinary
130032010232
6
Senary
11440110433
8
Octal
453024025
10
Decimal
78391317
12
Duodecimal
22305419
16
Hexadecimal
4ac2815
20
Vigesimal
149ii5h
36
Base36
1ao74l
md5
62a619a3378ada40bee67a6a9fee25bc
sha1
328bdb67b033de51d01a4b99846c862ec5dbe670
sha256
49d1edb04114338e7c41e919e03f95a0e0eec58cc4b372c328fcc3f0e041131a
sha512
fb1b24334291f4852ff501bac26da8c2c97853d1ad375be17b23ba2957c795b584839459d580d0aa7abd714be08acf198f8fd46622c81d7c1ac10af476af3a0a
ripemd-160
3017258df0a7615d11444f8ea7db9f7c0adaccc9
Diameter
156782634
Circumference
492547171.18486
Area
1.9305710716903E+16
Volume
2.0178667849587E+24
Surface area
7.7222842867611E+16
Circumference
492547171.18486
Perimeter
313565268
Area
6145198580994489
Diagonal
110862063.67369
Surface area
36871191485966934
Volume
4.8173020999069E+23
Space diagonal
135777743.91624
Perimeter
235173951
Area
2.6609490412207E+15
Altitude
67888871.958119
Surface area
2.6609490412207E+15
Volume
5.6772449697806E+22
Height
36954021.224563