21431418 (number)

21431418 is an even 8-digits composite number following 21431417 and preceding 21431419. In scientific notation, it is written as 2.1431418 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 7127936 positive integers (up to 21431418) that are relatively prime to 21431418.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred thirty-one thousand four hundred eighteen

Notation

Scientific notation 2.1431418 × 10^7
Engineering notation 2.1431418 × 10^6

Prime Factorization of 21431418

Prime Factorization 2 × 3 × 479 × 7457

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21431418
Product of the distinct prime numbers

The prime factorization of 21431418 is 2 × 3 × 479 × 7457. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21431418)

Multiplication

n×y
n×2 42862836
n×3 64294254
n×4 85725672
n×5 107157090

Division

n÷y
n÷2 10715709
n÷3 7143806
n÷3 5357854.5
n÷5 4286283.6

Exponentiation

ny
n2 459305677490724
n3 9.8435719640769E+21
n4 2.1096170537521E+29
n5 4.521208489889E+36

Nth Root

y√n
2√n 4629.4079535077
3√n 277.76891066214
4√n 68.039752744316
5√n 29.25567894611

Divisors of 21431418

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21431417
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21431418 can be divided by 16 positive divisors. The sum of these divisors (counting 21431418) is 1, the average is 0.0625.

Base conversion 21431418

Base System Value
2 Binary 1010001110000010001111010
3 Ternary 1111022211101020
4 Quaternary 1101300101322
5 Quinary 20441301133
6 Senary 2043203310
8 Octal 121602172
10 Decimal 21431418
12 Duodecimal 7216536
16 Hexadecimal 147047a
20 Vigesimal 6diiai
36 Base36 crcl6

Cryptographic Hash Functions

md5 b952108656a1357d4e05d1ed8d1d019a
sha1 b7a7d7ad92f8603691cf68baa1cd47193c2653d3
sha256 9c6f27b371b44fa1e23f3affb374530e63a2f12bf37274ab7ce191a54c5218ec
sha512 29a1ccaf905c01851570fabad19fbd0e39e1ddd9ca24d9a8b9572001fafdff7ee3c10f0fc8269037eb4cb6b219fe94de5e21024c692d6f03a01e3a6980f69e26
ripemd-160 c0653a8cb575d1027b6d461f68324d64b6883e58

21431418 as geometric shapes

Circle

Radius = n
Diameter 42862836
Circumference 134657570.68962
Area 1.4429513421569E+15

Sphere

Radius = n
Volume 4.1232657823235E+22
Surface area 5.7718053686278E+15
Circumference 134657570.68962

Square

Length = n
Perimeter 85725672
Area 459305677490724
Diagonal 30308601.996487

Cube

Length = n
Surface area 2755834064944344
Volume 9.8435719640769E+21
Space diagonal 37120304.854246

Equilateral Triangle

Length = n
Perimeter 64294254
Area 1.9888519240469E+14
Altitude 18560152.427123

Triangular Pyramid

Length = n
Surface area 1.9888519240469E+14
Volume 1.1600760811494E+21
Height 10102867.332162