78312912 is an even 8-digits composite number following 78312911
and preceding 78312913 . In scientific notation, it is written as 7.8312912 × 10^7.
The sum of its digits is 33. It has a total of 6 prime factors and 20 positive divisors.
There are 26104288 positive integers (up to 78312912) that are relatively prime to 78312912.
78312912 has 20 divisors, whose sum is 202308480
The reverse of 78312912 is 21921387
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
seventy-eight million three hundred twelve thousand nine hundred twelve
Scientific notation
7.8312912 × 10^7
Engineering notation
7.8312912 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 3 × 1631519
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
9789114
Product of the distinct prime numbers
The prime factorization of 78312912 is 2 × 2 × 2 × 2 × 3 × 1631519.
Since it has a total of 6 prime factors.
9 , 7 , 56 , 64 , 51 , 535 , 5999 , 2036 , 69981 , 46326 , 447785 , 811903 , 5992855 , 738544 , 95650497 , 63065047 , 64501044 , 461777993 , 1733823414 , 488816250
n×2
156625824
n×3
234938736
n×4
313251648
n×5
391564560
n÷2
39156456
n÷3
26104304
n÷3
19578228
n÷5
15662582.4
n2
6132912185919744
n3
4.8028621231966E+23
n4
3.7612611880203E+31
n5
2.9455531642645E+39
2 √n
8849.4582885056
3 √n
427.83645890272
4 √n
94.071559402965
5 √n
37.911125215365
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 48 , 1631519 , 3263038 , 4894557 , 6526076 , 9789114 , 13052152 , 19578228 , 26104304 , 39156456 , 78312912
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78312911
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78312912 can be divided by 20 positive divisors.
The sum of these divisors (counting 78312912) is 1, the average is 0.05.
Base
System
Value
2
Binary
100101010101111010111010000
3
Ternary
12110100201010020
4
Quaternary
10222233113100
5
Quinary
130022003122
6
Senary
11434303440
8
Octal
452572720
10
Decimal
78312912
12
Duodecimal
22287b80
16
Hexadecimal
4aaf5d0
20
Vigesimal
149925c
36
Base36
1amimo
md5
0f9412edb202bb7783f0faf5dfa088fa
sha1
540038a3830a40935196440266ce470e18c3bb79
sha256
791761b14bf134c7d22392f274727052048b867a898ad488a97969a98c58800e
sha512
50e38bec6057683e37cadb8d37c2ee9b8b93cfcef04cd518a0a99c9dbc4265110478f1ee234d97898c88d27c5bb9d85cb0eceea437ec97b3f97a35d8a5467365
ripemd-160
488efe9ef44eb0bf418427db0837d9b53bdac83d
Diameter
156625824
Circumference
492054538.04085
Area
1.9267111868397E+16
Volume
2.0118181816586E+24
Surface area
7.7068447473587E+16
Circumference
492054538.04085
Perimeter
313251648
Area
6132912185919744
Diagonal
110751182.25933
Surface area
36797473115518464
Volume
4.8028621231966E+23
Space diagonal
135641942.47267
Perimeter
234938736
Area
2.6556288760928E+15
Altitude
67820971.236335
Surface area
2.6556288760928E+15
Volume
5.6602272940272E+22
Height
36917060.75311