78139439 (number)

78139439 is an odd 8-digits composite number following 78139438 and preceding 78139440. In scientific notation, it is written as 7.8139439 × 10^7. The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors. There are 66976656 positive integers (up to 78139439) that are relatively prime to 78139439.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.8139439 × 10^7
Engineering notation 7.8139439 × 10^6

Prime Factorization of 78139439

Prime Factorization 7 × 11162777

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 78139439
Product of the distinct prime numbers

The prime factorization of 78139439 is 7 × 11162777. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 3, 2, 70, 443, 498, 4049, 4253, 45375, 64470, 592260, 919073, 3381615, 2125928, 84286275, 65468854, 630210007, 890211216, 7886159274, 6761969318

Basic calculations (n = 78139439)

Multiplication

n×y
n×2 156278878
n×3 234418317
n×4 312557756
n×5 390697195

Division

n÷y
n÷2 39069719.5
n÷3 26046479.666667
n÷3 19534859.75
n÷5 15627887.8

Exponentiation

ny
n2 6105771927234721
n3 4.7710159305607E+23
n4 3.7280450827408E+31
n5 2.9130735133207E+39

Nth Root

y√n
2√n 8839.6515202806
3√n 427.52032141239
4√n 94.01942097397
5√n 37.89431472684

Divisors of 78139439

1, 7, 11162777, 78139439

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -78139438
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 78139439 can be divided by 4 positive divisors. The sum of these divisors (counting 78139439) is 1, the average is 0.25.

Base conversion 78139439

Base System Value
2 Binary 100101010000101000000101111
3 Ternary 12110000220011022
4 Quaternary 10222011000233
5 Quinary 130000430224
6 Senary 11430444355
8 Octal 452050057
10 Decimal 78139439
12 Duodecimal 222036bb
16 Hexadecimal 4a8502f
20 Vigesimal 14878bj
36 Base36 1aisrz

Cryptographic Hash Functions

md5 06519695d5b26aa8bae13ea62ef97030
sha1 5b0a3170120e34cf9b4710c9375c93f8903885ca
sha256 96c4263388e0b80f53228414abb203cfb61e522e40459709d072add24405211b
sha512 9c142363ccaffed558ca26ab4232fd6043974a54a501ceebe22900212fa5ce97257fec262e7cd9a151adc8512870171faf8f071815bc4de70372d0f951163c9e
ripemd-160 f2cb5ab4d45c36d29148be810d1770cb9e39e8b3

78139439 as geometric shapes

Circle

Radius = n
Diameter 156278878
Circumference 490964575.03606
Area 1.9181848231095E+16

Sphere

Radius = n
Volume 1.9984784796812E+24
Surface area 7.6727392924382E+16
Circumference 490964575.03606

Square

Length = n
Perimeter 312557756
Area 6105771927234721
Diagonal 110505854.39003

Cube

Length = n
Surface area 36634631563408326
Volume 4.7710159305607E+23
Space diagonal 135341478.42293

Equilateral Triangle

Length = n
Perimeter 234418317
Area 2.6438767993496E+15
Altitude 67670739.211465

Triangular Pyramid

Length = n
Surface area 2.6438767993496E+15
Volume 5.6226961960809E+22
Height 36835284.796675