78312490 is an even 8-digits composite number following 78312489
and preceding 78312491 . In scientific notation, it is written as 7.8312490 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors.
There are 29676240 positive integers (up to 78312490) that are relatively prime to 78312490.
78312490 has 16 divisors, whose sum is 148381920
The reverse of 78312490 is 09421387
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
seventy-eight million three hundred twelve thousand four hundred ninety
Scientific notation
7.8312490 × 10^7
Engineering notation
7.8312490 × 10^6
Prime Factorization
2 × 5 × 19 × 412171
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
78312490
Product of the distinct prime numbers
The prime factorization of 78312490 is 2 × 5 × 19 × 412171.
Since it has a total of 4 prime factors.
5 , 6 , 68 , 93 , 266 , 647 , 786 , 3788 , 59082 , 1632 , 292214 , 248786 , 1722085 , 4438866 , 6762821 , 33031276 , 640825196 , 766389073 , 1720618500 , 5222677832
n×2
156624980
n×3
234937470
n×4
313249960
n×5
391562450
n÷2
39156245
n÷3
26104163.333333
n÷3
19578122.5
n÷5
15662498
n2
6132846090000100
n3
4.8027844809467E+23
n4
3.761180116363E+31
n5
2.9454738025087E+39
2 √n
8849.4344452061
3 √n
427.83569041595
4 √n
94.071432673294
5 √n
37.911084357405
1 , 2 , 5 , 10 , 19 , 38 , 95 , 190 , 412171 , 824342 , 2060855 , 4121710 , 7831249 , 15662498 , 39156245 , 78312490
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
-78312489
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 78312490 can be divided by 16 positive divisors.
The sum of these divisors (counting 78312490) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101010101111010000101010
3
Ternary
12110100200112121
4
Quaternary
10222233100222
5
Quinary
130021444430
6
Senary
11434301454
8
Octal
452572052
10
Decimal
78312490
12
Duodecimal
2228788a
16
Hexadecimal
4aaf42a
20
Vigesimal
149914a
36
Base36
1amiay
md5
970d018457bb9a51a2b84de44976c664
sha1
8a14eb519e7daaf030ec91f7df174763c6d93ced
sha256
9b01b55da1ecd35e5ff1ef806c272b8be3416e596104af52c94eda23024a494e
sha512
d3939273ab37a8a377c102638161e8c28b6698f6f1aeeb4836a10c6a9afd65f2dd0fc15315c63182414d055780b2e6a32eac841419ea17c4294b5594d7af5c08
ripemd-160
8fe7ed4db24b45d83f5ac8ba736011ec796265f2
Diameter
156624980
Circumference
492051886.53665
Area
1.9266904221941E+16
Volume
2.011785658949E+24
Surface area
7.7067616887765E+16
Circumference
492051886.53665
Perimeter
313249960
Area
6132846090000100
Diagonal
110750585.46121
Surface area
36797076540000600
Volume
4.8027844809467E+23
Space diagonal
135641211.54723
Perimeter
234937470
Area
2.6556002557201E+15
Altitude
67820605.773615
Surface area
2.6556002557201E+15
Volume
5.6601357917582E+22
Height
36916861.820402