42781946 (number)

42781946 is an even 8-digits composite number following 42781945 and preceding 42781947. In scientific notation, it is written as 4.2781946 × 10^7. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 21305500 positive integers (up to 42781946) that are relatively prime to 42781946.

Interesting facts

Basic properties

Name

Name forty-two million seven hundred eighty-one thousand nine hundred forty-six

Notation

Scientific notation 4.2781946 × 10^7
Engineering notation 4.2781946 × 10^6

Prime Factorization of 42781946

Prime Factorization 2 × 251 × 85223

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 42781946
Product of the distinct prime numbers

The prime factorization of 42781946 is 2 × 251 × 85223. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 42781946)

Multiplication

n×y
n×2 85563892
n×3 128345838
n×4 171127784
n×5 213909730

Division

n÷y
n÷2 21390973
n÷3 14260648.666667
n÷3 10695486.5
n÷5 8556389.2

Exponentiation

ny
n2 1830294903546916
n3 7.8303577727619E+22
n4 3.3499794339498E+30
n5 1.4331863924435E+38

Nth Root

y√n
2√n 6540.7909307667
3√n 349.74660843161
4√n 80.87515644972
5√n 33.593256580773

Divisors of 42781946

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 -42781945
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 42781946 can be divided by 8 positive divisors. The sum of these divisors (counting 42781946) is 1, the average is 0.125.

Base conversion 42781946

Base System Value
2 Binary 10100011001100110011111010
3 Ternary 2222111112210112
4 Quaternary 2203030303322
5 Quinary 41423010241
6 Senary 4124544322
8 Octal 243146372
10 Decimal 42781946
12 Duodecimal 123b20a2
16 Hexadecimal 28cccfa
20 Vigesimal d77eh6
36 Base36 pgyre

Cryptographic Hash Functions

md5 9d08a53ab8255b73cbcc3075d2104b7b
sha1 008a3012e6e1d3ee253866b912f673045595080a
sha256 f6f5888e860403458d4e099072ebc4bd0a341f7be54f16c01cde15c25457c71b
sha512 ab334b66ded8c1bbe684e45d1c23594ab6803661065b71063776696f9645abbbeaadeca440ad599d6dfd1b3184999289bf3b55992073a8727e1696bd5cbd5c2d
ripemd-160 a66c464cea5f4db92cdcfe3c44e8e62343adeeae

42781946 as geometric shapes

Circle

Radius = n
Diameter 85563892
Circumference 268806894.51975
Area 5.7500410228858E+15

Sphere

Radius = n
Volume 3.2799725938518E+23
Surface area 2.3000164091543E+16
Circumference 268806894.51975

Square

Length = n
Perimeter 171127784
Area 1830294903546916
Diagonal 60502808.257913

Cube

Length = n
Surface area 10981769421281496
Volume 7.8303577727619E+22
Space diagonal 74100504.118668

Equilateral Triangle

Length = n
Perimeter 128345838
Area 7.9254094144441E+14
Altitude 37050252.059334

Triangular Pyramid

Length = n
Surface area 7.9254094144441E+14
Volume 9.2281651337279E+21
Height 20167602.752638