978085388 is an even 9-digits composite number following 978085387
and preceding 978085389 . In scientific notation, it is written as 9.78085388 × 10^8.
The sum of its digits is 56. It has a total of 4 prime factors and 12 positive divisors.
There are 419179440 positive integers (up to 978085388) that are relatively prime to 978085388.
978085388 has 12 divisors, whose sum is 1956170832
The reverse of 978085388 is 883580879
Previous prime number is 7
Is Prime? no
Number parity even
Number length 9
Sum of Digits 56
Digital Root 2
Name
nine hundred seventy-eight million eighty-five thousand three hundred eighty-eight
Scientific notation
9.78085388 × 10^8
Engineering notation
9.78085388 × 10^6
Prime Factorization
2 × 2 × 7 × 34931621
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
489042694
Product of the distinct prime numbers
The prime factorization of 978085388 is 2 × 2 × 7 × 34931621.
Since it has a total of 4 prime factors.
4 , 5 , 10 , 85 , 480 , 260 , 1651 , 7382 , 97447 , 38629 , 636306 , 358850 , 1056139 , 640450 , 62395266 , 89301475 , 698717426 , 706109634 , 6438460196 , 593863218
n×2
1956170776
n×3
2934256164
n×4
3912341552
n×5
4890426940
n÷2
489042694
n÷3
326028462.66667
n÷3
244521347
n÷5
195617077.6
n2
956651026219110544
n3
9.3568639016012E+26
n4
9.1518118596608E+35
n5
8.9512534536593E+44
2 √n
31274.356716006
3 √n
992.64110889101
4 √n
176.84557307438
5 √n
62.816734229247
1 , 2 , 4 , 7 , 14 , 28 , 34931621 , 69863242 , 139726484 , 244521347 , 489042694 , 978085388
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-978085387
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 978085388 can be divided by 12 positive divisors.
The sum of these divisors (counting 978085388) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111010010011000110011000001100
3
Ternary
2112011102212220202
4
Quaternary
322103012120030
5
Quinary
4000342213023
6
Senary
241015433032
8
Octal
7223063014
10
Decimal
978085388
12
Duodecimal
233685778
16
Hexadecimal
3a4c660c
20
Vigesimal
f5d0d98
36
Base36
g6brik
md5
7d66cca7161b4e0cad78bbef6f662c44
sha1
a542cb67d638e3ef86465dff791802dc857c18b6
sha256
c115f870914b8c8b411b7ff041ce83776c5726c56dfbf6d7982233883f4be805
sha512
0d03f80a4bb39d851253c073ccd57b178683ed1a581d8f8b0a981af440ac86f8475bb44c296bc3be3a9d203ffc529d31a02636a388777f2308f9a16e3e378b78
ripemd-160
1435f203e7f2fd1d2d2a3e05302d70d37d56995c
Diameter
1956170776
Circumference
6145491739.0486
Area
3.0054078360191E+18
Volume
3.9193939858546E+27
Surface area
1.2021631344076E+19
Circumference
6145491739.0486
Perimeter
3912341552
Area
956651026219110544
Diagonal
1383221620.8686
Surface area
5739906157314663264
Volume
9.3568639016012E+26
Space diagonal
1694093586.1567
Perimeter
2934256164
Area
4.142420456311E+17
Altitude
847046793.07836
Surface area
4.142420456311E+17
Volume
1.1027169859103E+26
Height
461073873.62285