21308538 (number)

21308538 is an even 8-digits composite number following 21308537 and preceding 21308539. In scientific notation, it is written as 2.1308538 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 6728976 positive integers (up to 21308538) that are relatively prime to 21308538.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred eight thousand five hundred thirty-eight

Notation

Scientific notation 2.1308538 × 10^7
Engineering notation 2.1308538 × 10^6

Prime Factorization of 21308538

Prime Factorization 2 × 3 × 19 × 186917

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21308538
Product of the distinct prime numbers

The prime factorization of 21308538 is 2 × 3 × 19 × 186917. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 1, 63, 69, 337, 825, 5464, 2276, 46144, 16908, 508946, 790200, 9867382, 2666268, 35876745, 25245046, 979906033, 620810737, 3612750936, 1193939621

Basic calculations (n = 21308538)

Multiplication

n×y
n×2 42617076
n×3 63925614
n×4 85234152
n×5 106542690

Division

n÷y
n÷2 10654269
n÷3 7102846
n÷3 5327134.5
n÷5 4261707.6

Exponentiation

ny
n2 454053791697444
n3 9.6752224744291E+21
n4 2.0616484575483E+29
n5 4.3930714500308E+36

Nth Root

y√n
2√n 4616.117199552
3√n 277.23701730953
4√n 67.942013508226
5√n 29.222053442316

Divisors of 21308538

1, 2, 3, 6, 19, 38, 57, 114, 186917, 373834, 560751, 1121502, 3551423, 7102846, 10654269, 21308538

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 -21308537
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 21308538 can be divided by 16 positive divisors. The sum of these divisors (counting 21308538) is 1, the average is 0.0625.

Base conversion 21308538

Base System Value
2 Binary 1010001010010010001111010
3 Ternary 1111002120211010
4 Quaternary 1101102101322
5 Quinary 20423333123
6 Senary 2040414350
8 Octal 121222172
10 Decimal 21308538
12 Duodecimal 71773b6
16 Hexadecimal 145247a
20 Vigesimal 6d3b6i
36 Base36 copru

Cryptographic Hash Functions

md5 05c603abc2e355514cb1861d5924268e
sha1 faeaeee8389d2d065a9017752580581389ac8252
sha256 9dbcc27ff8e110cfa14e564efa49913af577b42f2e69a7c3a25c4f6a6de9f575
sha512 853afed8e632d2075351e6220d61888cbab7c9b88b2e93e792530cf0fc3698eaa849b8c441edb0b5cb94443fc086eb35097f32791cce3cfc39cef00faa12c4a1
ripemd-160 4d6b76b8640f90c7768fb8030f84e8b68c6a3505

21308538 as geometric shapes

Circle

Radius = n
Diameter 42617076
Circumference 133885492.87908
Area 1.4264520563313E+15

Sphere

Radius = n
Volume 4.0527477130018E+22
Surface area 5.7058082253251E+15
Circumference 133885492.87908

Square

Length = n
Perimeter 85234152
Area 454053791697444
Diagonal 30134823.433942

Cube

Length = n
Surface area 2724322750184664
Volume 9.6752224744291E+21
Space diagonal 36907470.451012

Equilateral Triangle

Length = n
Perimeter 63925614
Area 1.9661105914732E+14
Altitude 18453735.225506

Triangular Pyramid

Length = n
Surface area 1.9661105914732E+14
Volume 1.1402359035262E+21
Height 10044941.144647