78445021 (number)

78445021 is an odd 8-digits composite number following 78445020 and preceding 78445022. In scientific notation, it is written as 7.8445021 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 72259008 positive integers (up to 78445021) that are relatively prime to 78445021.

Interesting facts

Basic properties

Name

Name seventy-eight million four hundred forty-five thousand twenty-one

Notation

Scientific notation 7.8445021 × 10^7
Engineering notation 7.8445021 × 10^6

Prime Factorization of 78445021

Prime Factorization 17 × 47 × 98179

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 78445021
Product of the distinct prime numbers

The prime factorization of 78445021 is 17 × 47 × 98179. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 78445021)

Multiplication

n×y
n×2 156890042
n×3 235335063
n×4 313780084
n×5 392225105

Division

n÷y
n÷2 39222510.5
n÷3 26148340.333333
n÷3 19611255.25
n÷5 15689004.2

Exponentiation

ny
n2 6153621319690441
n3 4.8272095364916E+23
n4 3.7867055346149E+31
n5 2.9704819518368E+39

Nth Root

y√n
2√n 8856.9193854297
3√n 428.07690156011
4√n 94.111207544212
5√n 37.92390733414

Divisors of 78445021

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 -78445020
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 78445021 can be divided by 8 positive divisors. The sum of these divisors (counting 78445021) is 1, the average is 0.125.

Base conversion 78445021

Base System Value
2 Binary 100101011001111100111011101
3 Ternary 12110121102100011
4 Quaternary 10223033213131
5 Quinary 130040220041
6 Senary 11441203221
8 Octal 453174735
10 Decimal 78445021
12 Duodecimal 22330511
16 Hexadecimal 4acf9dd
20 Vigesimal 14a5cb1
36 Base36 1apckd

Cryptographic Hash Functions

md5 b1bb95be53183ebb36d674f4204220f9
sha1 0b5f630fef3b6ee9ed3f0f095b5e8e9b00c67232
sha256 1887c7a5f32f817357cd67009eca384f4163c954ca9d7042394622727b3d214a
sha512 153bd3df19e77ade370aa3ea38208517d2646f7aa255abd4edaf45b790807ae7a25d519160d965a986e7da6721ad404c831d620fedb5047766a4e9958bc8e78f
ripemd-160 1e7d1498705329331dbcbf1cc5981de250c39a12

78445021 as geometric shapes

Circle

Radius = n
Diameter 156890042
Circumference 492884603.36859
Area 1.9332171530913E+16

Sphere

Radius = n
Volume 2.0220168022908E+24
Surface area 7.7328686123652E+16
Circumference 492884603.36859

Square

Length = n
Perimeter 313780084
Area 6153621319690441
Diagonal 110938012.59884

Cube

Length = n
Surface area 36921727918142646
Volume 4.8272095364916E+23
Space diagonal 135870761.97281

Equilateral Triangle

Length = n
Perimeter 235335063
Area 2.6645961940607E+15
Altitude 67935380.986404

Triangular Pyramid

Length = n
Surface area 2.6645961940607E+15
Volume 5.6889209957694E+22
Height 36979337.532947