78939904 (number)

78939904 is an even 8-digits composite number following 78939903 and preceding 78939905. In scientific notation, it is written as 7.8939904 × 10^7. The sum of its digits is 49. It has a total of 9 prime factors and 18 positive divisors. There are 39469824 positive integers (up to 78939904) that are relatively prime to 78939904.

Interesting facts

Basic properties

Name

Name seventy-eight million nine hundred thirty-nine thousand nine hundred four

Notation

Scientific notation 7.8939904 × 10^7
Engineering notation 7.8939904 × 10^6

Prime Factorization of 78939904

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 308359

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 616718
Product of the distinct prime numbers

The prime factorization of 78939904 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 308359. Since it has a total of 9 prime factors.

Most popular turbo-numbers

Basic calculations (n = 78939904)

Multiplication

n×y
n×2 157879808
n×3 236819712
n×4 315759616
n×5 394699520

Division

n÷y
n÷2 39469952
n÷3 26313301.333333
n÷3 19734976
n÷5 15787980.8

Exponentiation

ny
n2 6231508443529216
n3 4.9191467830739E+23
n4 3.8831697481776E+31
n5 3.0653704713684E+39

Nth Root

y√n
2√n 8884.8131100209
3√n 428.97521242414
4√n 94.259286598303
5√n 37.971636852618

Divisors of 78939904

18 divisors

τ Total Divisors 18
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -78939903
Sum of the proper positive divisors of n
A Arithmetic Mean 0.055555555555556
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 18
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 78939904 can be divided by 18 positive divisors. The sum of these divisors (counting 78939904) is 1, the average is 0.055555555555556.

Base conversion 78939904

Base System Value
2 Binary 100101101001000011100000000
3 Ternary 12111112120012011
4 Quaternary 10231020130000
5 Quinary 130202034104
6 Senary 11455542304
8 Octal 455103400
10 Decimal 78939904
12 Duodecimal 2252a994
16 Hexadecimal 4b48700
20 Vigesimal 14d79f4
36 Base36 1azyf4

Cryptographic Hash Functions

md5 7b01cf11d09fd243047976f087cb6c1f
sha1 4a8cc93a2d5c77a8120b5569cf1b316e476a8441
sha256 c7bc5e906dab7a42f3799dedd724c7c9f4b599b8cf4caba6ee5f19ec4a5e0796
sha512 8cbc8ea83437d049f21f7da41f5fc0268dba07a01ba668379d37daf7a618ae25cac0dbe763823e4fb6939256062eaf14a6751095a95b5b18c6314da787f455a6
ripemd-160 35ed7e37a214092b9fc28b12579c3dcbb7166e80

78939904 as geometric shapes

Circle

Radius = n
Diameter 157879808
Circumference 495994044.96297
Area 1.9576861146974E+16

Sphere

Radius = n
Volume 2.0605273860846E+24
Surface area 7.8307444587897E+16
Circumference 495994044.96297

Square

Length = n
Perimeter 315759616
Area 6231508443529216
Diagonal 111637882.84923

Cube

Length = n
Surface area 37389050661175296
Volume 4.9191467830739E+23
Space diagonal 136727924.47261

Equilateral Triangle

Length = n
Perimeter 236819712
Area 2.6983223079968E+15
Altitude 68363962.236305

Triangular Pyramid

Length = n
Surface area 2.6983223079968E+15
Volume 5.7972700799392E+22
Height 37212627.61641