42021891 (number)

42021891 is an odd 8-digits composite number following 42021890 and preceding 42021892. In scientific notation, it is written as 4.2021891 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 27981600 positive integers (up to 42021891) that are relatively prime to 42021891.

Interesting facts

Basic properties

Name

Name forty-two million twenty-one thousand eight hundred ninety-one

Notation

Scientific notation 4.2021891 × 10^7
Engineering notation 4.2021891 × 10^6

Prime Factorization of 42021891

Prime Factorization 9 × 1049 × 4451

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 42021891
Product of the distinct prime numbers

The prime factorization of 42021891 is 9 × 1049 × 4451. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 42021891)

Multiplication

n×y
n×2 84043782
n×3 126065673
n×4 168087564
n×5 210109455

Division

n÷y
n÷2 21010945.5
n÷3 14007297
n÷3 10505472.75
n÷5 8404378.2

Exponentiation

ny
n2 1765839323215881
n3 7.4203907563692E+22
n4 3.1181885154155E+30
n5 1.3103217791224E+38

Nth Root

y√n
2√n 6482.4294057089
3√n 347.66304582415
4√n 80.513535543466
5√n 33.473037062547

Divisors of 42021891

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 -42021890
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 42021891 can be divided by 8 positive divisors. The sum of these divisors (counting 42021891) is 1, the average is 0.125.

Base conversion 42021891

Base System Value
2 Binary 10100000010011010000000011
3 Ternary 2221001221012100
4 Quaternary 2200103100003
5 Quinary 41224200031
6 Senary 4100401443
8 Octal 240232003
10 Decimal 42021891
12 Duodecimal 120a6283
16 Hexadecimal 2813403
20 Vigesimal d2ceeb
36 Base36 p0oar

Cryptographic Hash Functions

md5 188511c9b8c83bbf549f2eda725efb5a
sha1 8c10bb6932798556923cec9d8ff8ec1f7a48944b
sha256 2164208d0eeb5e96314dd6baaa916f31a4ca01cca1c6f6f68e39e3d61a9d6f75
sha512 8de2fb33037604de3870e92f8315b5fc5d0facc7723912482cbfdd60a450b3022a7877ed56a54828a4cf078767f663d8b57ad033d2416cb11dfe99360742b873
ripemd-160 29b7457c9f5e045aca8bc28f83cd1e63a7d5fda9

42021891 as geometric shapes

Circle

Radius = n
Diameter 84043782
Circumference 264031328.1111
Area 5.547547845235E+15

Sphere

Radius = n
Volume 3.1082460115967E+23
Surface area 2.219019138094E+16
Circumference 264031328.1111

Square

Length = n
Perimeter 168087564
Area 1765839323215881
Diagonal 59427928.168764

Cube

Length = n
Surface area 10595035939295286
Volume 7.4203907563692E+22
Space diagonal 72784050.242121

Equilateral Triangle

Length = n
Perimeter 126065673
Area 7.6463085645324E+14
Altitude 36392025.121061

Triangular Pyramid

Length = n
Surface area 7.6463085645324E+14
Volume 8.745014371471E+21
Height 19809309.389588