78442905 (number)

78442905 is an odd 8-digits composite number following 78442904 and preceding 78442906. In scientific notation, it is written as 7.8442905 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 41465088 positive integers (up to 78442905) that are relatively prime to 78442905.

Interesting facts

Basic properties

Name

Name seventy-eight million four hundred forty-two thousand nine hundred five

Notation

Scientific notation 7.8442905 × 10^7
Engineering notation 7.8442905 × 10^6

Prime Factorization of 78442905

Prime Factorization 15 × 113 × 46279

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 78442905
Product of the distinct prime numbers

The prime factorization of 78442905 is 15 × 113 × 46279. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 78442905)

Multiplication

n×y
n×2 156885810
n×3 235328715
n×4 313771620
n×5 392214525

Division

n÷y
n÷2 39221452.5
n÷3 26147635
n÷3 19610726.25
n÷5 15688581

Exponentiation

ny
n2 6153289344839025
n3 4.8268189151472E+23
n4 3.7862969761309E+31
n5 2.9700813400043E+39

Nth Root

y√n
2√n 8856.7999299973
3√n 428.07305249972
4√n 94.110572891664
5√n 37.923702737716

Divisors of 78442905

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -78442904
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 78442905 can be divided by 8 positive divisors. The sum of these divisors (counting 78442905) is 1, the average is 0.125.

Base conversion 78442905

Base System Value
2 Binary 100101011001111000110011001
3 Ternary 12110121022102210
4 Quaternary 10223033012121
5 Quinary 130040133110
6 Senary 11441145333
8 Octal 453170631
10 Decimal 78442905
12 Duodecimal 2232b249
16 Hexadecimal 4acf199
20 Vigesimal 14a5755
36 Base36 1apaxl

Cryptographic Hash Functions

md5 33dbc1fa50fd47a9c1e723c42078acca
sha1 e9da4e07687f3ec5f9993e661293ebd4ccefc888
sha256 9a9b79cf5e22a1e64ef718b657f05dca29cd6081d8f32e9336c7e72369b54b09
sha512 724ff8e6fe171c9c95da8c2e16cfb567f85057cb003bb1bb13e48ba2e7266cb26ec7a70a4575986ee2cba458833d552c02ecc10326a503d7b5b15fd13e14cd28
ripemd-160 63250bfb11b2b263412b0762dfb04c8a2520cb2d

78442905 as geometric shapes

Circle

Radius = n
Diameter 156885810
Circumference 492871308.14848
Area 1.9331128601159E+16

Sphere

Radius = n
Volume 2.0218531792046E+24
Surface area 7.7324514404635E+16
Circumference 492871308.14848

Square

Length = n
Perimeter 313771620
Area 6153289344839025
Diagonal 110935020.12294

Cube

Length = n
Surface area 36919736069034150
Volume 4.8268189151472E+23
Space diagonal 135867096.9533

Equilateral Triangle

Length = n
Perimeter 235328715
Area 2.6644524447334E+15
Altitude 67933548.476649

Triangular Pyramid

Length = n
Surface area 2.6644524447334E+15
Volume 5.6884606441001E+22
Height 36978340.040981