42781421 (number)

42781421 is an odd 8-digits composite number following 42781420 and preceding 42781422. In scientific notation, it is written as 4.2781421 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 41699920 positive integers (up to 42781421) that are relatively prime to 42781421.

Interesting facts

Basic properties

Name

Name forty-two million seven hundred eighty-one thousand four hundred twenty-one

Notation

Scientific notation 4.2781421 × 10^7
Engineering notation 4.2781421 × 10^6

Prime Factorization of 42781421

Prime Factorization 47 × 263 × 3461

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 42781421
Product of the distinct prime numbers

The prime factorization of 42781421 is 47 × 263 × 3461. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 42781421)

Multiplication

n×y
n×2 85562842
n×3 128344263
n×4 171125684
n×5 213907105

Division

n÷y
n÷2 21390710.5
n÷3 14260473.666667
n÷3 10695355.25
n÷5 8556284.2

Exponentiation

ny
n2 1830249982779241
n3 7.8300695048521E+22
n4 3.3498149994634E+30
n5 1.4330984576416E+38

Nth Root

y√n
2√n 6540.7507978825
3√n 349.74517778358
4√n 80.87490833307
5√n 33.593174132226

Divisors of 42781421

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 -42781420
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 42781421 can be divided by 8 positive divisors. The sum of these divisors (counting 42781421) is 1, the average is 0.125.

Base conversion 42781421

Base System Value
2 Binary 10100011001100101011101101
3 Ternary 2222111112002002
4 Quaternary 2203030223231
5 Quinary 41423001141
6 Senary 4124542045
8 Octal 243145355
10 Decimal 42781421
12 Duodecimal 123b1925
16 Hexadecimal 28ccaed
20 Vigesimal d77db1
36 Base36 pgyct

Cryptographic Hash Functions

md5 c4b8abd47b1fc82c7c43b9af353619bb
sha1 0c7252125390a15fdefde6caebcd5043296c4964
sha256 c9e08656177bc420d3edfeb34006d339329baef680ab4e2a8d1b3b741b680f41
sha512 e53db162bd572bb197cc40e106d29db5886760574eeb17efd7b14dd23b5f5603467f694098776298a88c655d4e8afecd8f3ba789f94027d6fe3cf448426ab69c
ripemd-160 a7e34342701335086505dfc98479f22ca6487028

42781421 as geometric shapes

Circle

Radius = n
Diameter 85562842
Circumference 268803595.84746
Area 5.7498999001321E+15

Sphere

Radius = n
Volume 3.2798518444721E+23
Surface area 2.2999599600528E+16
Circumference 268803595.84746

Square

Length = n
Perimeter 171125684
Area 1830249982779241
Diagonal 60502065.795793

Cube

Length = n
Surface area 10981499896675446
Volume 7.8300695048521E+22
Space diagonal 74099594.791994

Equilateral Triangle

Length = n
Perimeter 128344263
Area 7.9252149018143E+14
Altitude 37049797.395997

Triangular Pyramid

Length = n
Surface area 7.9252149018143E+14
Volume 9.2278254067382E+21
Height 20167355.265264