21143940 (number)

21143940 is an even 8-digits composite number following 21143939 and preceding 21143941. In scientific notation, it is written as 2.1143940 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 12 positive divisors. There are 5638368 positive integers (up to 21143940) that are relatively prime to 21143940.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred forty-three thousand nine hundred forty

Notation

Scientific notation 2.1143940 × 10^7
Engineering notation 2.1143940 × 10^6

Prime Factorization of 21143940

Prime Factorization 2 × 2 × 15 × 352399

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10571970
Product of the distinct prime numbers

The prime factorization of 21143940 is 2 × 2 × 15 × 352399. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 1, 49, 10, 687, 783, 4039, 7248, 66018, 78186, 293614, 541610, 7253264, 2721157, 7422502, 54715807, 938259092, 958409882, 9931895344, 4362688227

Basic calculations (n = 21143940)

Multiplication

n×y
n×2 42287880
n×3 63431820
n×4 84575760
n×5 105719700

Division

n÷y
n÷2 10571970
n÷3 7047980
n÷3 5285985
n÷5 4228788

Exponentiation

ny
n2 447066198723600
n3 9.4527408818399E+21
n4 1.9986818604117E+29
n5 4.2260009335633E+36

Nth Root

y√n
2√n 4598.2540164719
3√n 276.52133138678
4√n 67.810427048293
5√n 29.176768097754

Divisors of 21143940

1, 2, 4, 15, 30, 60, 352399, 704798, 1409596, 5285985, 10571970, 21143940

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 -21143939
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 21143940 can be divided by 12 positive divisors. The sum of these divisors (counting 21143940) is 1, the average is 0.083333333333333.

Base conversion 21143940

Base System Value
2 Binary 1010000101010000110000100
3 Ternary 1110210020000220
4 Quaternary 1100222012010
5 Quinary 20403101230
6 Senary 2033104340
8 Octal 120520604
10 Decimal 21143940
12 Duodecimal 70b80b0
16 Hexadecimal 142a184
20 Vigesimal 6c2jh0
36 Base36 cl6ro

Cryptographic Hash Functions

md5 03d2361131a4cc206920f3f534d556ef
sha1 3eb2dbbc4328d2ca5c5ef2e586fad0c1c16981a2
sha256 db41081fec62ce3b3b3dbabb8453191e28d7a6c660dfde8bea06fbd82b5ce38c
sha512 2b0bd751c339ca5c398b391f7ec91167876571c7dc3d2bb9294b20cbad63736e8b710f5bbc37ba65d59ada6c464db0ec0c6fa4f0e940ff707dde8d9f6c88ad2d
ripemd-160 a0e80c133a5cc5e39202b9b6f95f7cc41ab49914

21143940 as geometric shapes

Circle

Radius = n
Diameter 42287880
Circumference 132851293.14389
Area 1.4044998855784E+15

Sphere

Radius = n
Volume 3.9595548414235E+22
Surface area 5.6179995423135E+15
Circumference 132851293.14389

Square

Length = n
Perimeter 84575760
Area 447066198723600
Diagonal 29902046.710003

Cube

Length = n
Surface area 2682397192341600
Volume 9.4527408818399E+21
Space diagonal 36622378.352188

Equilateral Triangle

Length = n
Perimeter 63431820
Area 1.9358534263399E+14
Altitude 18311189.176094

Triangular Pyramid

Length = n
Surface area 1.9358534263399E+14
Volume 1.1140161963914E+21
Height 9967348.9033343