21492830 (number)

21492830 is an even 8-digits composite number following 21492829 and preceding 21492831. In scientific notation, it is written as 2.1492830 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 8597128 positive integers (up to 21492830) that are relatively prime to 21492830.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1492830 × 10^7
Engineering notation 2.1492830 × 10^6

Prime Factorization of 21492830

Prime Factorization 2 × 5 × 2149283

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21492830
Product of the distinct prime numbers

The prime factorization of 21492830 is 2 × 5 × 2149283. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21492830)

Multiplication

n×y
n×2 42985660
n×3 64478490
n×4 85971320
n×5 107464150

Division

n÷y
n÷2 10746415
n÷3 7164276.6666667
n÷3 5373207.5
n÷5 4298566

Exponentiation

ny
n2 461941741408900
n3 9.9284353180054E+21
n4 2.1339017245589E+29
n5 4.5863587002651E+36

Nth Root

y√n
2√n 4636.0360222932
3√n 278.03397442035
4√n 68.088442648464
5√n 29.272426265022

Divisors of 21492830

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 -21492829
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 21492830 can be divided by 8 positive divisors. The sum of these divisors (counting 21492830) is 1, the average is 0.125.

Base conversion 21492830

Base System Value
2 Binary 1010001111111010001011110
3 Ternary 1111102221121202
4 Quaternary 1101333101132
5 Quinary 21000232310
6 Senary 2044355502
8 Octal 121772136
10 Decimal 21492830
12 Duodecimal 7245b92
16 Hexadecimal 147f45e
20 Vigesimal 6e6c1a
36 Base36 csnz2

Cryptographic Hash Functions

md5 00d74433e418446fcc798a9a835193b5
sha1 c57abc52a631b1ab0275c4a02dce7b16d1c5ec11
sha256 02aa2f4940a41cbad2e61d9586067e3ce8d4d38a8e595d88a1ea1fb97615e22e
sha512 333b9e9e50587b35f05206795ed482c0a678fdf91dc1fdfd5bf500c5b3e215a5311d2054e7d64252547eb1edcc107cd1254be745d25532fc523d4be43e3af8ff
ripemd-160 c0587ed8063d57d1d70a53485982cb3976b36396

21492830 as geometric shapes

Circle

Radius = n
Diameter 42985660
Circumference 135043433.66571
Area 1.4512327811967E+15

Sphere

Radius = n
Volume 4.1588132608916E+22
Surface area 5.8049311247867E+15
Circumference 135043433.66571

Square

Length = n
Perimeter 85971320
Area 461941741408900
Diagonal 30395451.679779

Cube

Length = n
Surface area 2771650448453400
Volume 9.9284353180054E+21
Space diagonal 37226673.558441

Equilateral Triangle

Length = n
Perimeter 64478490
Area 2.0002664156426E+14
Altitude 18613336.77922

Triangular Pyramid

Length = n
Surface area 2.0002664156426E+14
Volume 1.1700773233223E+21
Height 10131817.226593