21897730 (number)

21897730 is an even 8-digits composite number following 21897729 and preceding 21897731. In scientific notation, it is written as 2.1897730 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors. There are 8737792 positive integers (up to 21897730) that are relatively prime to 21897730.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1897730 × 10^7
Engineering notation 2.1897730 × 10^6

Prime Factorization of 21897730

Prime Factorization 2 × 5 × 449 × 4877

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21897730
Product of the distinct prime numbers

The prime factorization of 21897730 is 2 × 5 × 449 × 4877. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21897730)

Multiplication

n×y
n×2 43795460
n×3 65693190
n×4 87590920
n×5 109488650

Division

n÷y
n÷2 10948865
n÷3 7299243.3333333
n÷3 5474432.5
n÷5 4379546

Exponentiation

ny
n2 479510579152900
n3 1.0500193194434E+22
n4 2.2993039551955E+29
n5 5.0349537198803E+36

Nth Root

y√n
2√n 4679.5010417779
3√n 279.76906979659
4√n 68.406878614492
5√n 29.381896144834

Divisors of 21897730

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 -21897729
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 21897730 can be divided by 16 positive divisors. The sum of these divisors (counting 21897730) is 1, the average is 0.0625.

Base conversion 21897730

Base System Value
2 Binary 1010011100010001000000010
3 Ternary 1112012112001001
4 Quaternary 1103202020002
5 Quinary 21101211410
6 Senary 2101202214
8 Octal 123421002
10 Decimal 21897730
12 Duodecimal 740036a
16 Hexadecimal 14e2202
20 Vigesimal 6gh46a
36 Base36 d1cea

Cryptographic Hash Functions

md5 b6d3bbc28fd60eaeae77c3e29b18982f
sha1 f271272c05b6253b06cacad62db11545085c88c0
sha256 0f9d16411ef3b09a60abc1512aa9e659b094695b8d108ba8b22c4acc50678755
sha512 2658ad320965e3ce59ef990f9e5859cca65a3f55e53b262a25f85cd0ceec68075f033d907d34cbb63ec0d60897e5bf6cad50f4b864b747a81effa44b8631ed2c
ripemd-160 a807e1ba0ab4a6c520fbd5893d6e9d5c9160ba92

21897730 as geometric shapes

Circle

Radius = n
Diameter 43795460
Circumference 137587495.39659
Area 1.5064269127853E+15

Sphere

Radius = n
Volume 4.3983106401209E+22
Surface area 6.0257076511414E+15
Circumference 137587495.39659

Square

Length = n
Perimeter 87590920
Area 479510579152900
Diagonal 30968066.751184

Cube

Length = n
Surface area 2877063474917400
Volume 1.0500193194434E+22
Space diagonal 37927980.930425

Equilateral Triangle

Length = n
Perimeter 65693190
Area 2.076341714649E+14
Altitude 18963990.465213

Triangular Pyramid

Length = n
Surface area 2.076341714649E+14
Volume 1.2374596352588E+21
Height 10322688.917061