42781808 (number)

42781808 is an even 8-digits composite number following 42781807 and preceding 42781809. In scientific notation, it is written as 4.2781808 × 10^7. The sum of its digits is 38. It has a total of 6 prime factors and 20 positive divisors. There are 21362880 positive integers (up to 42781808) that are relatively prime to 42781808.

Interesting facts

Basic properties

Name

Name forty-two million seven hundred eighty-one thousand eight hundred eight

Notation

Scientific notation 4.2781808 × 10^7
Engineering notation 4.2781808 × 10^6

Prime Factorization of 42781808

Prime Factorization 2 × 2 × 2 × 2 × 1123 × 2381

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5347726
Product of the distinct prime numbers

The prime factorization of 42781808 is 2 × 2 × 2 × 2 × 1123 × 2381. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 42781808)

Multiplication

n×y
n×2 85563616
n×3 128345424
n×4 171127232
n×5 213909040

Division

n÷y
n÷2 21390904
n÷3 14260602.666667
n÷3 10695452
n÷5 8556361.6

Exponentiation

ny
n2 1830283095748864
n3 7.8302819987974E+22
n4 3.349936210584E+30
n5 1.4331632777345E+38

Nth Root

y√n
2√n 6540.7803815753
3√n 349.74623237669
4√n 80.875091230708
5√n 33.593234908662

Divisors of 42781808

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -42781807
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 42781808 can be divided by 20 positive divisors. The sum of these divisors (counting 42781808) is 1, the average is 0.05.

Base conversion 42781808

Base System Value
2 Binary 10100011001100110001110000
3 Ternary 2222111112121102
4 Quaternary 2203030301300
5 Quinary 41423004213
6 Senary 4124543532
8 Octal 243146160
10 Decimal 42781808
12 Duodecimal 123b1ba8
16 Hexadecimal 28ccc70
20 Vigesimal d77ea8
36 Base36 pgynk

Cryptographic Hash Functions

md5 ad7fd7c8a70d4cb04259802ba7ae5af2
sha1 89dfd7ef9d8b511d15bd1079dc79f0499f7480fd
sha256 b16724ec5873877048eea7d39175ac3c3b04750b8b192f442d15a9a36c326b08
sha512 293fc44fece9acc4f9c30da5ed035e57bb26285522c6bc6487315592d93e9d49d5ff09f4756d2fcc2b30bb6a4508bfb40bd4e1d7fbad86feda1c5ed8f50703ca
ripemd-160 b47607a2776735d9267bc5585bfda2d8ee157b19

42781808 as geometric shapes

Circle

Radius = n
Diameter 85563616
Circumference 268806027.44018
Area 5.7500039275942E+15

Sphere

Radius = n
Volume 3.2799408537278E+23
Surface area 2.3000015710377E+16
Circumference 268806027.44018

Square

Length = n
Perimeter 171127232
Area 1830283095748864
Diagonal 60502613.096442

Cube

Length = n
Surface area 10981698574493184
Volume 7.8302819987974E+22
Space diagonal 74100265.095657

Equilateral Triangle

Length = n
Perimeter 128345424
Area 7.9253582851787E+14
Altitude 37050132.547828

Triangular Pyramid

Length = n
Surface area 7.9253582851787E+14
Volume 9.2280758332543E+21
Height 20167537.698814