78397816 is an even 8-digits composite number following 78397815
and preceding 78397817 . In scientific notation, it is written as 7.8397816 × 10^7.
The sum of its digits is 49. It has a total of 6 prime factors and 32 positive divisors.
There are 32668800 positive integers (up to 78397816) that are relatively prime to 78397816.
78397816 has 32 divisors, whose sum is 169021440
The reverse of 78397816 is 61879387
Previous prime number is 8383
Is Prime? no
Number parity even
Number length 8
Sum of Digits 49
Digital Root 4
Name
seventy-eight million three hundred ninety-seven thousand eight hundred sixteen
Scientific notation
7.8397816 × 10^7
Engineering notation
7.8397816 × 10^6
Prime Factorization
2 × 2 × 2 × 7 × 8383 × 167
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
19599454
Product of the distinct prime numbers
The prime factorization of 78397816 is 2 × 2 × 2 × 7 × 8383 × 167.
Since it has a total of 6 prime factors.
2 , 1 , 66 , 67 , 481 , 230 , 9983 , 4738 , 4048 , 63924 , 89337 , 756081 , 4850034 , 2225563 , 95572989 , 44322355 , 691986062 , 376767293 , 997834952 , 6262922487
n×2
156795632
n×3
235193448
n×4
313591264
n×5
391989080
n÷2
39198908
n÷3
26132605.333333
n÷3
19599454
n÷5
15679563.2
n2
6146217553569856
n3
4.8185003286074E+23
n4
3.777599021581E+31
n5
2.9615551301569E+39
2 √n
8854.2541187838
3 √n
427.99101794991
4 √n
94.097046280868
5 √n
37.919342024358
1 , 2 , 4 , 7 , 8 , 14 , 28 , 56 , 167 , 334 , 668 , 1169 , 1336 , 2338 , 4676 , 8383 , 9352 , 16766 , 33532 , 58681 , 67064 , 117362 , 234724 , 469448 , 1399961 , 2799922 , 5599844 , 9799727 , 11199688 , 19599454 , 39198908 , 78397816
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78397815
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78397816 can be divided by 32 positive divisors.
The sum of these divisors (counting 78397816) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100101011000100000101111000
3
Ternary
12110112000120211
4
Quaternary
10223010011320
5
Quinary
130032212231
6
Senary
11440200504
8
Octal
453040570
10
Decimal
78397816
12
Duodecimal
22309134
16
Hexadecimal
4ac4178
20
Vigesimal
149jeag
36
Base36
1aoc54
md5
c93f070c69d7febff0254d676666cf77
sha1
8640ecfbf5bb5122a0e42ad1fe38d2542420f22d
sha256
4ad1b4485e303529be2de72c2f20a4091bb54f1b896ccf206b97729df2d5dbe0
sha512
582ec9767e0d3b79e3ab5b1cbc0007a9a6ad8fcb754a70e8e25f48d505573537dcf38be166b1155f31ac39217711efc9b0ae5d8c7313832d831e3596fc2cd0ab
ripemd-160
018e96a6a227eb1ef958ac1ae1c9a4887fcb1e2b
Diameter
156795632
Circumference
492588005.60617
Area
1.930891191366E+16
Volume
2.0183686978231E+24
Surface area
7.7235647654639E+16
Circumference
492588005.60617
Perimeter
313591264
Area
6146217553569856
Diagonal
110871254.64763
Surface area
36877305321419136
Volume
4.8185003286074E+23
Space diagonal
135789000.51444
Perimeter
235193448
Area
2.6613902692887E+15
Altitude
67894500.257218
Surface area
2.6613902692887E+15
Volume
5.6786570958465E+22
Height
36957084.882543