21497730 (number)

21497730 is an even 8-digits composite number following 21497729 and preceding 21497731. In scientific notation, it is written as 2.1497730 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 5732720 positive integers (up to 21497730) that are relatively prime to 21497730.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-seven thousand seven hundred thirty

Notation

Scientific notation 2.1497730 × 10^7
Engineering notation 2.1497730 × 10^6

Prime Factorization of 21497730

Prime Factorization 2 × 15 × 716591

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21497730
Product of the distinct prime numbers

The prime factorization of 21497730 is 2 × 15 × 716591. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21497730)

Multiplication

n×y
n×2 42995460
n×3 64493190
n×4 85990920
n×5 107488650

Division

n÷y
n÷2 10748865
n÷3 7165910
n÷3 5374432.5
n÷5 4299546

Exponentiation

ny
n2 462152395152900
n3 9.9352274098504E+21
n4 2.1358483634556E+29
n5 4.5915891438511E+36

Nth Root

y√n
2√n 4636.5644608913
3√n 278.05510182199
4√n 68.092323068693
5√n 29.27376086647

Divisors of 21497730

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 -21497729
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 21497730 can be divided by 8 positive divisors. The sum of these divisors (counting 21497730) is 1, the average is 0.125.

Base conversion 21497730

Base System Value
2 Binary 1010010000000011110000010
3 Ternary 1111110012100020
4 Quaternary 1102000132002
5 Quinary 21000411410
6 Senary 2044434310
8 Octal 122003602
10 Decimal 21497730
12 Duodecimal 7248996
16 Hexadecimal 1480782
20 Vigesimal 6e746a
36 Base36 csrr6

Cryptographic Hash Functions

md5 1d969384e703ed96932a617219abe493
sha1 a8e358c78fc7acc6697eb94922b50235e035f892
sha256 7f652b8d1fd58e04a7ce339b9520d9db7177243531f7551c509e285da46cdc53
sha512 35c286d5844153ddd89b26ab20329c0db3a419d77333ae2ef5db3a234cf59a23b01c6291761e66073f107bd1b79609aa7d0209ef73efb31ac57323cb04a1994e
ripemd-160 72dd3f0d97590459fb0c0a10db746d29744812e2

21497730 as geometric shapes

Circle

Radius = n
Diameter 42995460
Circumference 135074221.27371
Area 1.4518945694513E+15

Sphere

Radius = n
Volume 4.1616583256706E+22
Surface area 5.8075782778051E+15
Circumference 135074221.27371

Square

Length = n
Perimeter 85990920
Area 462152395152900
Diagonal 30402381.326235

Cube

Length = n
Surface area 2772914370917400
Volume 9.9352274098504E+21
Space diagonal 37235160.607398

Equilateral Triangle

Length = n
Perimeter 64493190
Area 2.0011785731112E+14
Altitude 18617580.303699

Triangular Pyramid

Length = n
Surface area 2.0011785731112E+14
Volume 1.1708777790226E+21
Height 10134127.108745