142785 (number)

142785 is an odd 6-digits composite number following 142784 and preceding 142786. In scientific notation, it is written as 1.42785 × 10^5. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 71712 positive integers (up to 142785) that are relatively prime to 142785.

Interesting facts

Basic properties

Name

Name one hundred forty-two thousand seven hundred eighty-five

Notation

Scientific notation 1.42785 × 10^5
Engineering notation 1.42785 × 10^3

Prime Factorization of 142785

Prime Factorization 5 × 9 × 19 × 167

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 142785
Product of the distinct prime numbers

The prime factorization of 142785 is 5 × 9 × 19 × 167. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 4, 74, 99, 669, 749, 3390, 9103, 1110, 1135, 754129, 886756, 6323232, 1712959, 90912565, 23062856, 656837330, 887291395, 1288418613, 8586895507

Basic calculations (n = 142785)

Multiplication

n×y
n×2 285570
n×3 428355
n×4 571140
n×5 713925

Division

n÷y
n÷2 71392.5
n÷3 47595
n÷3 35696.25
n÷5 28557

Exponentiation

ny
n2 20387556225
n3 2911037215586625
n4 4.1565244882754E+20
n5 5.934893490584E+25

Nth Root

y√n
2√n 377.86902492795
3√n 52.266994616793
4√n 19.438853488001
5√n 10.738324338353

Divisors of 142785

1, 5, 9, 19, 45, 95, 167, 171, 835, 855, 1503, 3173, 7515, 15865, 28557, 142785

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -142784
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 142785 can be divided by 16 positive divisors. The sum of these divisors (counting 142785) is 1, the average is 0.0625.

Base conversion 142785

Base System Value
2 Binary 100010110111000001
3 Ternary 21020212100
4 Quaternary 202313001
5 Quinary 14032120
6 Senary 3021013
8 Octal 426701
10 Decimal 142785
12 Duodecimal 6a769
16 Hexadecimal 22dc1
20 Vigesimal hgj5
36 Base36 3269

Cryptographic Hash Functions

md5 acd074973d1a7b0ecc9c3c8a55b736b5
sha1 48e757396a7daa06017755027170c02ac43b68a5
sha256 f7df6ce90618f1b669113cca83325fd84505fe4ebcdcc1b1c69d3a7650e39321
sha512 79ae6a4c526becba8e19f40f0b1c3f38e979f5422cf4ce0d45289df0d49b41f9fa2b215c2a7f25d59b7728f3703bac46ba1ac3b91341bb3f8ebc5b4a0edf8371
ripemd-160 a9464ec73d0dc6d370f41a153b5f20425efbca21

142785 as geometric shapes

Circle

Radius = n
Diameter 285570
Circumference 897144.61408564
Area 64049396861.109

Sphere

Radius = n
Volume 1.2193724174418E+16
Surface area 256197587444.44
Circumference 897144.61408564

Square

Length = n
Perimeter 571140
Area 20387556225
Diagonal 201928.48350344

Cube

Length = n
Surface area 122325337350
Volume 2911037215586625
Space diagonal 247310.87455872

Equilateral Triangle

Length = n
Perimeter 428355
Area 8828070805.9668
Altitude 123655.43727936

Triangular Pyramid

Length = n
Surface area 8828070805.9668
Volume 3.4306902590462E+14
Height 67309.494501147