78445 (number)

78445 is an odd 5-digits composite number following 78444 and preceding 78446. In scientific notation, it is written as 7.8445 × 10^4. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 60480 positive integers (up to 78445) that are relatively prime to 78445.

Interesting facts

Basic properties

Name

Name seventy-eight thousand four hundred forty-five

Notation

Scientific notation 7.8445 × 10^4
Engineering notation 7.8445 × 10^3

Prime Factorization of 78445

Prime Factorization 5 × 29 × 541

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 78445
Product of the distinct prime numbers

The prime factorization of 78445 is 5 × 29 × 541. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 5, 66, 7, 692, 48, 7185, 9678, 3432, 50502, 819093, 67808, 123658, 9094389, 57592554, 83771630, 485716736, 826007084, 1493689585, 6546031927

Basic calculations (n = 78445)

Multiplication

n×y
n×2 156890
n×3 235335
n×4 313780
n×5 392225

Division

n÷y
n÷2 39222.5
n÷3 26148.333333333
n÷3 19611.25
n÷5 15689

Exponentiation

ny
n2 6153618025
n3 482720565971125
n4 3.7867014797605E+19
n5 2.9704779757981E+24

Nth Root

y√n
2√n 280.08034561533
3√n 42.807686336089
4√n 16.735601142933
5√n 9.5260543162137

Divisors of 78445

1, 5, 29, 145, 541, 2705, 15689, 78445

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 -78444
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 78445 can be divided by 8 positive divisors. The sum of these divisors (counting 78445) is 1, the average is 0.125.

Base conversion 78445

Base System Value
2 Binary 10011001001101101
3 Ternary 10222121101
4 Quaternary 103021231
5 Quinary 10002240
6 Senary 1403101
8 Octal 231155
10 Decimal 78445
12 Duodecimal 39491
16 Hexadecimal 1326d
20 Vigesimal 9g25
36 Base36 1oj1

Cryptographic Hash Functions

md5 51f1eb9f29dd131b7a2e9d1c53d8893b
sha1 a8934afaa9d66ef6b81169f917e0a26c822ba879
sha256 8b27e05ad52c7874b2556adc61d7726d63755b4e029008c1a185a6720be0d2a2
sha512 4b4b0a030d29794fc522fe13660735b41e48ad9fbbba06e69d1a956e8358bd53b5d7daabbc5cec02d0775ff2e976dd146b5e6237c6e5aebe2edf14e16ee6b87e
ripemd-160 1c60ba07b44c75fd193d17431416de1151f0d9c2

78445 as geometric shapes

Circle

Radius = n
Diameter 156890
Circumference 492884.4714217
Area 19332161180.338

Sphere

Radius = n
Volume 2.0220151783888E+15
Surface area 77328644721.351
Circumference 492884.4714217

Square

Length = n
Perimeter 313780
Area 6153618025
Diagonal 110937.98290036

Cube

Length = n
Surface area 36921708150
Volume 482720565971125
Space diagonal 135870.72559974

Equilateral Triangle

Length = n
Perimeter 235335
Area 2664594767.4179
Altitude 67935.36279987

Triangular Pyramid

Length = n
Surface area 2664594767.4179
Volume 56889164269398
Height 36979.327633452