78278320 is an even 8-digits composite number following 78278319
and preceding 78278321 . In scientific notation, it is written as 7.8278320 × 10^7.
The sum of its digits is 37. It has a total of 6 prime factors and 20 positive divisors.
There are 31311296 positive integers (up to 78278320) that are relatively prime to 78278320.
78278320 has 20 divisors, whose sum is 181997280
The reverse of 78278320 is 02387287
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
seventy-eight million two hundred seventy-eight thousand three hundred twenty
Scientific notation
7.8278320 × 10^7
Engineering notation
7.8278320 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 5 × 978479
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
9784790
Product of the distinct prime numbers
The prime factorization of 78278320 is 2 × 2 × 2 × 2 × 5 × 978479.
Since it has a total of 6 prime factors.
3 , 7 , 27 , 80 , 84 , 991 , 986 , 887 , 69259 , 33434 , 892243 , 818026 , 9655490 , 8211238 , 54149838 , 3339282 , 324998722 , 887068941 , 1354944980 , 8084605713
n×2
156556640
n×3
234834960
n×4
313113280
n×5
391391600
n÷2
39139160
n÷3
26092773.333333
n÷3
19569580
n÷5
15655664
n2
6127495382022400
n3
4.7965004431247E+23
n4
3.7546199656706E+31
n5
2.9390534315115E+39
2 √n
8847.5036027119
3 √n
427.77345567618
4 √n
94.061169473444
5 √n
37.90777543975
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 40 , 80 , 978479 , 1956958 , 3913916 , 4892395 , 7827832 , 9784790 , 15655664 , 19569580 , 39139160 , 78278320
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
-78278319
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 78278320 can be divided by 20 positive divisors.
The sum of these divisors (counting 78278320) is 1, the average is 0.05.
Base
System
Value
2
Binary
100101010100110111010110000
3
Ternary
12110021221200001
4
Quaternary
10222212322300
5
Quinary
130014401240
6
Senary
11433435344
8
Octal
452467260
10
Decimal
78278320
12
Duodecimal
2226bb54
16
Hexadecimal
4aa6eb0
20
Vigesimal
1494fg0
36
Base36
1alrxs
md5
d8de783b6776439e907136fa7b78dbe4
sha1
72e8f1a73a11567033d53693bc28015f0076ea26
sha256
e222fa21bb08cd81e07be0293b5c8f9c6d21e0c4589f5d8e73970cc8c90ae929
sha512
f6172bb9f187eff68aab0019269bc55413d141826ba20458e49062aa46f1d06f3c771bd0ecfc126cab7b33e4e417d0d5aa6d817c6658409e79ad73190cc2ab41
ripemd-160
3993f69e9fdb04ba2baa84fd354558ef6e19dde4
Diameter
156556640
Circumference
491837190.0947
Area
1.9250094477067E+16
Volume
2.0091534073414E+24
Surface area
7.7000377908268E+16
Circumference
491837190.0947
Perimeter
313113280
Area
6127495382022400
Diagonal
110702261.78378
Surface area
36764972292134400
Volume
4.7965004431247E+23
Space diagonal
135582027.37113
Perimeter
234834960
Area
2.6532833312016E+15
Altitude
67791013.685567
Surface area
2.6532833312016E+15
Volume
5.6527299821629E+22
Height
36900753.927927