78942912 (number)

78942912 is an even 8-digits composite number following 78942911 and preceding 78942913. In scientific notation, it is written as 7.8942912 × 10^7. The sum of its digits is 42. It has a total of 9 prime factors and 56 positive divisors. There are 25939200 positive integers (up to 78942912) that are relatively prime to 78942912.

Interesting facts

Basic properties

Name

Name seventy-eight million nine hundred forty-two thousand nine hundred twelve

Notation

Scientific notation 7.8942912 × 10^7
Engineering notation 7.8942912 × 10^6

Prime Factorization of 78942912

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 3 × 71 × 5791

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 2466966
Product of the distinct prime numbers

The prime factorization of 78942912 is 2 × 2 × 2 × 2 × 2 × 2 × 3 × 71 × 5791. Since it has a total of 9 prime factors.

Most popular turbo-numbers

Basic calculations (n = 78942912)

Multiplication

n×y
n×2 157885824
n×3 236828736
n×4 315771648
n×5 394714560

Division

n÷y
n÷2 39471456
n÷3 26314304
n÷3 19735728
n÷5 15788582.4

Exponentiation

ny
n2 6231983355039744
n3 4.9197091358237E+23
n4 3.8837616537492E+31
n5 3.065954544609E+39

Nth Root

y√n
2√n 8884.9823860264
3√n 428.98066104595
4√n 94.260184521496
5√n 37.971926229567

Divisors of 78942912

56 divisors

τ Total Divisors 56
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -78942911
Sum of the proper positive divisors of n
A Arithmetic Mean 0.017857142857143
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 56
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 78942912 can be divided by 56 positive divisors. The sum of these divisors (counting 78942912) is 1, the average is 0.017857142857143.

Base conversion 78942912

Base System Value
2 Binary 100101101001001001011000000
3 Ternary 12111112201022120
4 Quaternary 10231021023000
5 Quinary 130202133122
6 Senary 11500004240
8 Octal 455111300
10 Decimal 78942912
12 Duodecimal 22530680
16 Hexadecimal 4b492c0
20 Vigesimal 14d7h5c
36 Base36 1b00qo

Cryptographic Hash Functions

md5 42851553c6f5ecb40845890e79b4a4e4
sha1 3bcc1aa04aef187305e0b1c82eeb314fabb16296
sha256 552bf25ec10c42088b934ec039fc207f55192ed002db35cd16c5f15a96d76ade
sha512 3ba3413ac56fcf6b967f449f0ecbe6c8228cdf53a93bb4ce9628ec20a4672b0c52235f4707e1d912c9aa02463b0f5720db2d54ae3c3c627d23ea23fe0a12b8fd
ripemd-160 b5dbc83ff02ec7955934966f9749bd9534f2ba00

78942912 as geometric shapes

Circle

Radius = n
Diameter 157885824
Circumference 496012944.78437
Area 1.9578353125487E+16

Sphere

Radius = n
Volume 2.0607629438536E+24
Surface area 7.8313412501947E+16
Circumference 496012944.78437

Square

Length = n
Perimeter 315771648
Area 6231983355039744
Diagonal 111642136.80363

Cube

Length = n
Surface area 37391900130238464
Volume 4.9197091358237E+23
Space diagonal 136733134.48144

Equilateral Triangle

Length = n
Perimeter 236828736
Area 2.6985279507131E+15
Altitude 68366567.240719

Triangular Pyramid

Length = n
Surface area 2.6985279507131E+15
Volume 5.7979328190105E+22
Height 37214045.601209