21492810 (number)

21492810 is an even 8-digits composite number following 21492809 and preceding 21492811. In scientific notation, it is written as 2.1492810 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors. There are 5480640 positive integers (up to 21492810) that are relatively prime to 21492810.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-two thousand eight hundred ten

Notation

Scientific notation 2.1492810 × 10^7
Engineering notation 2.1492810 × 10^6

Prime Factorization of 21492810

Prime Factorization 2 × 27 × 5 × 23 × 3461

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21492810
Product of the distinct prime numbers

The prime factorization of 21492810 is 2 × 27 × 5 × 23 × 3461. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21492810)

Multiplication

n×y
n×2 42985620
n×3 64478430
n×4 85971240
n×5 107464050

Division

n÷y
n÷2 10746405
n÷3 7164270
n÷3 5373202.5
n÷5 4298562

Exponentiation

ny
n2 461940881696100
n3 9.9284076015268E+21
n4 2.1338937818217E+29
n5 4.5863373612875E+36

Nth Root

y√n
2√n 4636.0338652775
3√n 278.03388817948
4√n 68.088426808655
5√n 29.27242081717

Divisors of 21492810

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21492809
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21492810 can be divided by 32 positive divisors. The sum of these divisors (counting 21492810) is 1, the average is 0.03125.

Base conversion 21492810

Base System Value
2 Binary 1010001111111010001001010
3 Ternary 1111102221121000
4 Quaternary 1101333101022
5 Quinary 21000232220
6 Senary 2044355430
8 Octal 121772112
10 Decimal 21492810
12 Duodecimal 7245b76
16 Hexadecimal 147f44a
20 Vigesimal 6e6c0a
36 Base36 csnyi

Cryptographic Hash Functions

md5 30e2ae21cf612a10763babe0e010b798
sha1 2b806233d3057fc18e040d999941528679474f25
sha256 241c4a14d93d06499ebe63ea167ab872504f158df1f15b252cd6db5190e6b17a
sha512 439b793b567b3e44f149762564cec9b4db6a88083241de211367c155aa41e1da7029c60d251e4804715cdf095a672c12cc4b8258efe920dcc7744d3812d7d5bf
ripemd-160 56f0c4d0c1b24717bc8ce11a9ac90849aed040a0

21492810 as geometric shapes

Circle

Radius = n
Diameter 42985620
Circumference 135043308.002
Area 1.4512300803293E+15

Sphere

Radius = n
Volume 4.1588016510402E+22
Surface area 5.804920321317E+15
Circumference 135043308.002

Square

Length = n
Perimeter 85971240
Area 461940881696100
Diagonal 30395423.395508

Cube

Length = n
Surface area 2771645290176600
Volume 9.9284076015268E+21
Space diagonal 37226638.917424

Equilateral Triangle

Length = n
Perimeter 64478430
Area 2.000262692977E+14
Altitude 18613319.458712

Triangular Pyramid

Length = n
Surface area 2.000262692977E+14
Volume 1.1700740569039E+21
Height 10131807.798503