21490142 (number)

21490142 is an even 8-digits composite number following 21490141 and preceding 21490143. In scientific notation, it is written as 2.1490142 × 10^7. The sum of its digits is 23. It has a total of 4 prime factors and 16 positive divisors. There are 9672960 positive integers (up to 21490142) that are relatively prime to 21490142.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1490142 × 10^7
Engineering notation 2.1490142 × 10^6

Prime Factorization of 21490142

Prime Factorization 2 × 23 × 17 × 27481

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21490142
Product of the distinct prime numbers

The prime factorization of 21490142 is 2 × 23 × 17 × 27481. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 1, 13, 62, 775, 328, 7107, 6546, 417, 13644, 562763, 823861, 2181533, 7515999, 96109609, 56096545, 708664024, 258075914, 1023704164, 7973379035

Basic calculations (n = 21490142)

Multiplication

n×y
n×2 42980284
n×3 64470426
n×4 85960568
n×5 107450710

Division

n÷y
n÷2 10745071
n÷3 7163380.6666667
n÷3 5372535.5
n÷5 4298028.4

Exponentiation

ny
n2 461826203180164
n3 9.9247106856626E+21
n4 2.1328344194381E+29
n5 4.5834914536211E+36

Nth Root

y√n
2√n 4635.7461103904
3√n 278.02238316749
4√n 68.086313678965
5√n 29.271694037406

Divisors of 21490142

1, 2, 17, 23, 34, 46, 391, 782, 27481, 54962, 467177, 632063, 934354, 1264126, 10745071, 21490142

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 -21490141
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 21490142 can be divided by 16 positive divisors. The sum of these divisors (counting 21490142) is 1, the average is 0.0625.

Base conversion 21490142

Base System Value
2 Binary 1010001111110100111011110
3 Ternary 1111102210221012
4 Quaternary 1101332213132
5 Quinary 21000141032
6 Senary 2044335222
8 Octal 121764736
10 Decimal 21490142
12 Duodecimal 7244512
16 Hexadecimal 147e9de
20 Vigesimal 6e6572
36 Base36 cslwe

Cryptographic Hash Functions

md5 2ddb65300097342bf18016f10e24b455
sha1 470b63411f3ec8b7a3c0f30fa94e66e686fc4e02
sha256 a13b86fd7c0043db01964e431257210b95a9559603180e7a6d2ffaec0366f6eb
sha512 d3705d702d9661edf1acbae40499c806a33b9857c55c4d192e10d9b00291ef67c8119dc7e43a4a67a79fff858a0775b22732dcae757f7f4116ab5baec99af333
ripemd-160 eceeec9341682029b19a412e3a6d89b8eec5d91f

21490142 as geometric shapes

Circle

Radius = n
Diameter 42980284
Circumference 135026544.4636
Area 1.4508698071461E+15

Sphere

Radius = n
Volume 4.1572530905442E+22
Surface area 5.8034792285843E+15
Circumference 135026544.4636

Square

Length = n
Perimeter 85960568
Area 461826203180164
Diagonal 30391650.273724

Cube

Length = n
Surface area 2770957219080984
Volume 9.9247106856626E+21
Space diagonal 37222017.80587

Equilateral Triangle

Length = n
Perimeter 64470426
Area 1.9997661204367E+14
Altitude 18611008.902935

Triangular Pyramid

Length = n
Surface area 1.9997661204367E+14
Volume 1.1696383711911E+21
Height 10130550.091241