78394009 is an odd 8-digits composite number following 78394008
and preceding 78394010 . In scientific notation, it is written as 7.8394009 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 71971200 positive integers (up to 78394009) that are relatively prime to 78394009.
78394009 has 16 divisors, whose sum is 85188096
The reverse of 78394009 is 90049387
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
seventy-eight million three hundred ninety-four thousand nine
Scientific notation
7.8394009 × 10^7
Engineering notation
7.8394009 × 10^6
Prime Factorization
41 × 31 × 37 × 1667
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
78394009
Product of the distinct prime numbers
The prime factorization of 78394009 is 41 × 31 × 37 × 1667.
Since it has a total of 4 prime factors.
4 , 9 , 65 , 60 , 932 , 603 , 7374 , 2371 , 38454 , 72519 , 367717 , 711601 , 1667694 , 1969808 , 88731 , 36051270 , 234168963 , 259890190 , 3139321250 , 4056861627
n×2
156788018
n×3
235182027
n×4
313576036
n×5
391970045
n÷2
39197004.5
n÷3
26131336.333333
n÷3
19598502.25
n÷5
15678801.8
n2
6145620647092081
n3
4.8177984031872E+23
n4
3.7768653137964E+31
n5
2.9608361340155E+39
2 √n
8854.0391347678
3 √n
427.98409008609
4 √n
94.095903921307
5 √n
37.918973744356
1 , 31 , 37 , 41 , 1147 , 1271 , 1517 , 1667 , 47027 , 51677 , 61679 , 68347 , 1912049 , 2118757 , 2528839 , 78394009
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
-78394008
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 78394009 can be divided by 16 positive divisors.
The sum of these divisors (counting 78394009) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101011000011001010011001
3
Ternary
12110111211100211
4
Quaternary
10223003022121
5
Quinary
130032102014
6
Senary
11440131121
8
Octal
453031231
10
Decimal
78394009
12
Duodecimal
22306aa1
16
Hexadecimal
4ac3299
20
Vigesimal
149j509
36
Base36
1ao97d
md5
068f0ad046f4ee4173c5680c40c4a92e
sha1
f9290aef810136e061c2652a54635afbf22d9705
sha256
60280724bab2886dc9814d6908384c5b2c0a5e0f6adafce39a857eb8d09f6982
sha512
ab050c02c41c1539d26aa87914ea27db8b50525bfa51e575f6bedf0e911cbe0311dff59400ddd4cc73c082682d7d11509880956953eb3c27d2a6eb2677708e74
ripemd-160
0a834b3b50f9ad9928f5ccfd17f56dfbc034cecf
Diameter
156788018
Circumference
492564085.5197
Area
1.9307036676654E+16
Volume
2.0180746759906E+24
Surface area
7.7228146706617E+16
Circumference
492564085.5197
Perimeter
313576036
Area
6145620647092081
Diagonal
110865870.7366
Surface area
36873723882552486
Volume
4.8177984031872E+23
Space diagonal
135782406.59701
Perimeter
235182027
Area
2.661131801202E+15
Altitude
67891203.298506
Surface area
2.661131801202E+15
Volume
5.6778298688057E+22
Height
36955290.245533