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 3 prime factors and 8 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 121 × 23 × 15287

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 42543721
Product of the distinct prime numbers

The prime factorization of 42543721 is 121 × 23 × 15287. Since it has a total of 3 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

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 -42543720
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 42543721 can be divided by 8 positive divisors. The sum of these divisors (counting 42543721) is 1, the average is 0.125.

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