42181894 (number)

42181894 is an even 8-digits composite number following 42181893 and preceding 42181895. In scientific notation, it is written as 4.2181894 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 21090946 positive integers (up to 42181894) that are relatively prime to 42181894.

Interesting facts

Basic properties

Name

Name forty-two million one hundred eighty-one thousand eight hundred ninety-four

Notation

Scientific notation 4.2181894 × 10^7
Engineering notation 4.2181894 × 10^6

Prime Factorization of 42181894

Prime Factorization 2 × 21090947

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 42181894
Product of the distinct prime numbers

The prime factorization of 42181894 is 2 × 21090947. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 42181894)

Multiplication

n×y
n×2 84363788
n×3 126545682
n×4 168727576
n×5 210909470

Division

n÷y
n÷2 21090947
n÷3 14060631.333333
n÷3 10545473.5
n÷5 8436378.8

Exponentiation

ny
n2 1779312181427236
n3 7.5054757829872E+22
n4 3.1659518389753E+30
n5 1.3354584488076E+38

Nth Root

y√n
2√n 6494.7589639647
3√n 348.10374213598
4√n 80.590067402656
5√n 33.498488786437

Divisors of 42181894

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -42181893
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 42181894 can be divided by 4 positive divisors. The sum of these divisors (counting 42181894) is 1, the average is 0.25.

Base conversion 42181894

Base System Value
2 Binary 10100000111010010100000110
3 Ternary 2221101001200101
4 Quaternary 2200322110012
5 Quinary 41244310034
6 Senary 4104034314
8 Octal 240722406
10 Decimal 42181894
12 Duodecimal 1216299a
16 Hexadecimal 283a506
20 Vigesimal d3ceee
36 Base36 p43ra

Cryptographic Hash Functions

md5 4f4f6a2b0beca44b34d45cd5ee7171b2
sha1 dfec41024bbcd157c0696842455eed1fa3337955
sha256 3def53e21c2328316d6992e35ae103e06e65efeadfdea67f28fe06779ae5529d
sha512 cdffd3b5e0792861a486ab20154284747d07f29afde49078632b19243c58dda968dd5d544763b21a23fcb67f2741da79840962b92cb881157ee67e10ab4e2627
ripemd-160 f2c29362298261f1000852fd51c5fc4ff6db436c

42181894 as geometric shapes

Circle

Radius = n
Diameter 84363788
Circumference 265036656.60981
Area 5.5898740776146E+15

Sphere

Radius = n
Volume 3.1438863442038E+23
Surface area 2.2359496310459E+16
Circumference 265036656.60981

Square

Length = n
Perimeter 168727576
Area 1779312181427236
Diagonal 59654206.581384

Cube

Length = n
Surface area 10675873088563416
Volume 7.5054757829872E+22
Space diagonal 73061183.567485

Equilateral Triangle

Length = n
Perimeter 126545682
Area 7.7046477518955E+14
Altitude 36530591.783742

Triangular Pyramid

Length = n
Surface area 7.7046477518955E+14
Volume 8.8452880369695E+21
Height 19884735.527128