21131730 (number)

21131730 is an even 8-digits composite number following 21131729 and preceding 21131731. In scientific notation, it is written as 2.1131730 × 10^7. The sum of its digits is 18. It has a total of 5 prime factors and 24 positive divisors. There are 5554080 positive integers (up to 21131730) that are relatively prime to 21131730.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1131730 × 10^7
Engineering notation 2.1131730 × 10^6

Prime Factorization of 21131730

Prime Factorization 2 × 3 × 3 × 355 × 3307

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 7043910
Product of the distinct prime numbers

The prime factorization of 21131730 is 2 × 3 × 3 × 355 × 3307. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 2, 35, 40, 707, 516, 7023, 7868, 80157, 38645, 780572, 455726, 8615435, 883810, 20968647, 3274056, 321249470, 855570194, 5090447432, 3574052556

Basic calculations (n = 21131730)

Multiplication

n×y
n×2 42263460
n×3 63395190
n×4 84526920
n×5 105658650

Division

n÷y
n÷2 10565865
n÷3 7043910
n÷3 5282932.5
n÷5 4226346

Exponentiation

ny
n2 446550012792900
n3 9.4363743018361E+21
n4 1.9940691392534E+29
n5 4.2138130652035E+36

Nth Root

y√n
2√n 4596.9261468942
3√n 276.46809350752
4√n 67.800635298604
5√n 29.173397574984

Divisors of 21131730

1, 2, 3, 6, 9, 18, 355, 710, 1065, 2130, 3195, 3307, 6390, 6614, 9921, 19842, 29763, 59526, 1173985, 2347970, 3521955, 7043910, 10565865, 21131730

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21131729
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21131730 can be divided by 24 positive divisors. The sum of these divisors (counting 21131730) is 1, the average is 0.041666666666667.

Base conversion 21131730

Base System Value
2 Binary 1010000100111000111010010
3 Ternary 1110202121021200
4 Quaternary 1100213013102
5 Quinary 20402203410
6 Senary 2032532030
8 Octal 120470722
10 Decimal 21131730
12 Duodecimal 70b1016
16 Hexadecimal 14271d2
20 Vigesimal 6c196a
36 Base36 ckxci

Cryptographic Hash Functions

md5 9c5c914d159771a04bd40cb67c9b5bca
sha1 1331635a16453beba47562798e320cfe599221a7
sha256 8e6739feccd837b3d430b48b7adf0e7329ab01385840da56e7c369d12513ce52
sha512 560aa68560315557cc5a8341855b27ecb97ca9ed7c64e5d0ee41fc53c6c65586a46fdbce571669f3989aedfb3f265c7ff08ff388c0f1c4149d90da6ac51239dc
ripemd-160 0d3e434253a0656e2ca7adee295da3a7a15b6f0e

21131730 as geometric shapes

Circle

Radius = n
Diameter 42263460
Circumference 132774575.45129
Area 1.4028782396506E+15

Sphere

Radius = n
Volume 3.9526992244229E+22
Surface area 5.6115129586024E+15
Circumference 132774575.45129

Square

Length = n
Perimeter 84526920
Area 446550012792900
Diagonal 29884779.162406

Cube

Length = n
Surface area 2679300076757400
Volume 9.4363743018361E+21
Space diagonal 36601230.011827

Equilateral Triangle

Length = n
Perimeter 63395190
Area 1.9336182756946E+14
Altitude 18300615.005914

Triangular Pyramid

Length = n
Surface area 1.9336182756946E+14
Volume 1.1120873764405E+21
Height 9961593.0541355