42865981 (number)

42865981 is an odd 8-digits composite number following 42865980 and preceding 42865982. In scientific notation, it is written as 4.2865981 × 10^7. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 42163200 positive integers (up to 42865981) that are relatively prime to 42865981.

Interesting facts

Basic properties

Name

Name forty-two million eight hundred sixty-five thousand nine hundred eighty-one

Notation

Scientific notation 4.2865981 × 10^7
Engineering notation 4.2865981 × 10^6

Prime Factorization of 42865981

Prime Factorization 61 × 702721

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 42865981
Product of the distinct prime numbers

The prime factorization of 42865981 is 61 × 702721. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 42865981)

Multiplication

n×y
n×2 85731962
n×3 128597943
n×4 171463924
n×5 214329905

Division

n÷y
n÷2 21432990.5
n÷3 14288660.333333
n÷3 10716495.25
n÷5 8573196.2

Exponentiation

ny
n2 1837492327092361
n3 7.8765911180787E+22
n4 3.3763780521233E+30
n5 1.4473175743113E+38

Nth Root

y√n
2√n 6547.2116965927
3√n 349.97545678239
4√n 80.914842251547
5√n 33.606443423063

Divisors of 42865981

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 -42865980
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 42865981 can be divided by 4 positive divisors. The sum of these divisors (counting 42865981) is 1, the average is 0.25.

Base conversion 42865981

Base System Value
2 Binary 10100011100001010100111101
3 Ternary 2222122211001221
4 Quaternary 2203201110331
5 Quinary 41433202411
6 Senary 4130433341
8 Octal 243412475
10 Decimal 42865981
12 Duodecimal 12432851
16 Hexadecimal 28e153d
20 Vigesimal d7i4j1
36 Base36 pirlp

Cryptographic Hash Functions

md5 8abfd9813ba0c10332cd299b5aff2f99
sha1 66db08484f102cb6599f8f58e0629082de9d7168
sha256 81d2b72df7184122011f659a4383b49e34451348eb49c3a589e8f77e0ba6fe44
sha512 ab3a177ddaa775ce9055ed01313672b648ca48b4b5a5487196070184352c457edb54266bf9b20aa7b268a65ceda949bf023e7f6bd637f8195b4a3dc37d1efd86
ripemd-160 43040647e1413f0fa3f8cd0d4270c01314d5fba6

42865981 as geometric shapes

Circle

Radius = n
Diameter 85731962
Circumference 269334901.99704
Area 5.772652395821E+15

Sphere

Radius = n
Volume 3.2993387722516E+23
Surface area 2.3090609583284E+16
Circumference 269334901.99704

Square

Length = n
Perimeter 171463924
Area 1837492327092361
Diagonal 60621651.694627

Cube

Length = n
Surface area 11024953962554166
Volume 7.8765911180787E+22
Space diagonal 74246057.008282

Equilateral Triangle

Length = n
Perimeter 128597943
Area 7.9565751726048E+14
Altitude 37123028.504141

Triangular Pyramid

Length = n
Surface area 7.9565751726048E+14
Volume 9.282651653712E+21
Height 20207217.231542