42145 (number)

42145 is an odd 5-digits composite number following 42144 and preceding 42146. In scientific notation, it is written as 4.2145 × 10^4. The sum of its digits is 16. It has a total of 2 prime factors and 4 positive divisors. There are 33712 positive integers (up to 42145) that are relatively prime to 42145.

Interesting facts

Basic properties

Name

Name forty-two thousand one hundred forty-five

Notation

Scientific notation 4.2145 × 10^4
Engineering notation 4.2145 × 10^3

Prime Factorization of 42145

Prime Factorization 5 × 8429

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 42145
Product of the distinct prime numbers

The prime factorization of 42145 is 5 × 8429. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 42145)

Multiplication

n×y
n×2 84290
n×3 126435
n×4 168580
n×5 210725

Division

n÷y
n÷2 21072.5
n÷3 14048.333333333
n÷3 10536.25
n÷5 8429

Exponentiation

ny
n2 1776201025
n3 74857992198625
n4 3154890081211050625
n5 1.3296284247264E+23

Nth Root

y√n
2√n 205.29247428973
3√n 34.800222396958
4√n 14.328031068145
5√n 8.4129675083638

Divisors of 42145

1, 5, 8429, 42145

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 -42144
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 42145 can be divided by 4 positive divisors. The sum of these divisors (counting 42145) is 1, the average is 0.25.

Base conversion 42145

Base System Value
2 Binary 1010010010100001
3 Ternary 2010210221
4 Quaternary 22102201
5 Quinary 2322040
6 Senary 523041
8 Octal 122241
10 Decimal 42145
12 Duodecimal 20481
16 Hexadecimal a4a1
20 Vigesimal 5575
36 Base36 wip

Cryptographic Hash Functions

md5 0e4996ce1ba7f629bb900d7a38b2dc48
sha1 8e255cb8c7af3bbf52ae8adab4a920989279e8f5
sha256 ebcbd43c67c580c8b03bf4c2af417e6732e61da2c1d76f24f48662def1fa0289
sha512 618c54059cf42502e8cc8a10910b75e7b766e0a2876f816a5194f5d2f214dfd4220212ad0e179096bc26d4f6c0507bfdf5dd07963e54945230d443d1509a70fc
ripemd-160 b944e829241b4556162e6c7e9d052254ed05a82c

42145 as geometric shapes

Circle

Radius = n
Diameter 84290
Circumference 264804.84477108
Area 5580100091.4387

Sphere

Radius = n
Volume 3.1356442447158E+14
Surface area 22320400365.755
Circumference 264804.84477108

Square

Length = n
Perimeter 168580
Area 1776201025
Diagonal 59602.030586214

Cube

Length = n
Surface area 10657206150
Volume 74857992198625
Space diagonal 72997.28128499

Equilateral Triangle

Length = n
Perimeter 126435
Area 769117604.93898
Altitude 36498.640642495

Triangular Pyramid

Length = n
Surface area 769117604.93898
Volume 8822098984942.9
Height 19867.343528738