42543721 (number)

42543721 is an odd 8-digits composite number following 42543720 and preceding 42543722. In scientific notation, it is written as 4.2543721 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors. There are 36992120 positive integers (up to 42543721) that are relatively prime to 42543721.

Interesting facts

Basic properties

Name

Name forty-two million five hundred forty-three thousand seven hundred twenty-one

Notation

Scientific notation 4.2543721 × 10^7
Engineering notation 4.2543721 × 10^6

Prime Factorization of 42543721

Prime Factorization 23 × 11 × 11 × 15287

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 3867611
Product of the distinct prime numbers

The prime factorization of 42543721 is 23 × 11 × 11 × 15287. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 42543721)

Multiplication

n×y
n×2 85087442
n×3 127631163
n×4 170174884
n×5 212718605

Division

n÷y
n÷2 21271860.5
n÷3 14181240.333333
n÷3 10635930.25
n÷5 8508744.2

Exponentiation

ny
n2 1809968196525841
n3 7.7002781971869E+22
n4 3.275984872435E+30
n5 1.393725864131E+38

Nth Root

y√n
2√n 6522.5547908776
3√n 349.09622883201
4√n 80.762335224271
5√n 33.555761146602

Divisors of 42543721

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -42543720
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 42543721 can be divided by 12 positive divisors. The sum of these divisors (counting 42543721) is 1, the average is 0.083333333333333.

Base conversion 42543721

Base System Value
2 Binary 10100010010010101001101001
3 Ternary 2222001110000101
4 Quaternary 2202102221221
5 Quinary 41342344341
6 Senary 4115505401
8 Octal 242225151
10 Decimal 42543721
12 Duodecimal 122b8261
16 Hexadecimal 2892a69
20 Vigesimal d5hj61
36 Base36 pbuy1

Cryptographic Hash Functions

md5 61fe46db9971397fbafeadd5468b7b0d
sha1 3f1eccaf7c7bf028abfa2d768790f7d99f7f4f60
sha256 0b87e56f5e87ac736ce7837985f2a42ceb461bc0e7623ff44866b1298ee43c79
sha512 c565d977085613ec378386db48bf98e74473a30c75742eb0e1b3da6f81a742a2d00fc7280e3662c797d15387477e79a25e2b7f2a05483506aec4242d37c2a2b4
ripemd-160 af2c8bbd263c8b1c7a9b50fa195fd8d2417d9367

42543721 as geometric shapes

Circle

Radius = n
Diameter 85087442
Circumference 267310082.69995
Area 5.6861827894367E+15

Sphere

Radius = n
Volume 3.2254849886507E+23
Surface area 2.2744731157747E+16
Circumference 267310082.69995

Square

Length = n
Perimeter 170174884
Area 1809968196525841
Diagonal 60165907.232017

Cube

Length = n
Surface area 10859809179155046
Volume 7.7002781971869E+22
Space diagonal 73687886.315035

Equilateral Triangle

Length = n
Perimeter 127631163
Area 7.8373921911664E+14
Altitude 36843943.157518

Triangular Pyramid

Length = n
Surface area 7.8373921911664E+14
Volume 9.0748648837562E+21
Height 20055302.410672