78421656 is an even 8-digits composite number following 78421655
and preceding 78421657 . In scientific notation, it is written as 7.8421656 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 16 positive divisors.
There are 26140544 positive integers (up to 78421656) that are relatively prime to 78421656.
78421656 has 16 divisors, whose sum is 196054200
The reverse of 78421656 is 65612487
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
seventy-eight million four hundred twenty-one thousand six hundred fifty-six
Scientific notation
7.8421656 × 10^7
Engineering notation
7.8421656 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 3267569
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
19605414
Product of the distinct prime numbers
The prime factorization of 78421656 is 2 × 2 × 2 × 3 × 3267569.
Since it has a total of 5 prime factors.
1 , 3 , 33 , 98 , 539 , 109 , 9272 , 9778 , 32264 , 41721 , 85642 , 461812 , 3306796 , 6247034 , 38085502 , 1208807 , 341089749 , 303156179 , 2738284328 , 7106367863
n×2
156843312
n×3
235264968
n×4
313686624
n×5
392108280
n÷2
39210828
n÷3
26140552
n÷3
19605414
n÷5
15684331.2
n2
6149956129782336
n3
4.8228974402488E+23
n4
3.7821960398247E+31
n5
2.966060767597E+39
2 √n
8855.6002619811
3 √n
428.03439616426
4 √n
94.104198960414
5 √n
37.921647923224
1 , 2 , 3 , 4 , 6 , 8 , 12 , 24 , 3267569 , 6535138 , 9802707 , 13070276 , 19605414 , 26140552 , 39210828 , 78421656
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
-78421655
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 78421656 can be divided by 16 positive divisors.
The sum of these divisors (counting 78421656) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101011001001111010011000
3
Ternary
12110120020021210
4
Quaternary
10223021322120
5
Quinary
130033443111
6
Senary
11440503120
8
Octal
453117230
10
Decimal
78421656
12
Duodecimal
2231aaa0
16
Hexadecimal
4ac9e98
20
Vigesimal
14a2e2g
36
Base36
1aoujc
md5
999b52794273c173ef8865aa183a90a4
sha1
92876437e1e41353eefa2945d4cca65866d32d05
sha256
7b967eeba2a9d0370f9135d88db1b8975f0af9d0314a3b141a9483982d6237e0
sha512
db711891d3a3310b625495fd8becf2894ca1634d538ead5265156c417e4975ae74e848d3e2147c311b37590ffc11072de6729df2d7666e6940b74644ee691bf8
ripemd-160
614828f92c93f4f591585fa7dcab23bfcc19c08b
Diameter
156843312
Circumference
492737796.74389
Area
1.9320656997224E+16
Volume
2.0202105556404E+24
Surface area
7.7282627988895E+16
Circumference
492737796.74389
Perimeter
313686624
Area
6149956129782336
Diagonal
110904969.49896
Surface area
36899736778694016
Volume
4.8228974402488E+23
Space diagonal
135830292.60569
Perimeter
235264968
Area
2.6630091202757E+15
Altitude
67915146.302844
Surface area
2.6630091202757E+15
Volume
5.683839141612E+22
Height
36968323.166319