21308539 (number)

21308539 is an odd 8-digits composite number following 21308538 and preceding 21308540. In scientific notation, it is written as 2.1308539 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 18221760 positive integers (up to 21308539) that are relatively prime to 21308539.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1308539 × 10^7
Engineering notation 2.1308539 × 10^6

Prime Factorization of 21308539

Prime Factorization 7 × 457 × 6661

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21308539
Product of the distinct prime numbers

The prime factorization of 21308539 is 7 × 457 × 6661. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21308539)

Multiplication

n×y
n×2 42617078
n×3 63925617
n×4 85234156
n×5 106542695

Division

n÷y
n÷2 10654269.5
n÷3 7102846.3333333
n÷3 5327134.75
n÷5 4261707.8

Exponentiation

ny
n2 454053834314521
n3 9.6752238365905E+21
n4 2.0616488445572E+29
n5 4.3930724808552E+36

Nth Root

y√n
2√n 4616.1173078682
3√n 277.23702164639
4√n 67.942014305348
5√n 29.222053716592

Divisors of 21308539

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 -21308538
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 21308539 can be divided by 8 positive divisors. The sum of these divisors (counting 21308539) is 1, the average is 0.125.

Base conversion 21308539

Base System Value
2 Binary 1010001010010010001111011
3 Ternary 1111002120211011
4 Quaternary 1101102101323
5 Quinary 20423333124
6 Senary 2040414351
8 Octal 121222173
10 Decimal 21308539
12 Duodecimal 71773b7
16 Hexadecimal 145247b
20 Vigesimal 6d3b6j
36 Base36 coprv

Cryptographic Hash Functions

md5 846e0194ea017a88102b7b2ec11e9406
sha1 423bff5bcb007a255eeefd94a0b26c99d6c4957e
sha256 4c8ccf0cac9f19c58959281b6c5c19281cca794faad7f06c05586c17e9c556f8
sha512 86c52c4a9af274221f6e276916ed0ff03f601f9b2d7283b91ba9056d865eeb4ab464a8cd72b0f7b763b10309f90bccc48a248ec5cb3563aec22fa06e19b332ab
ripemd-160 0d85b49bf106aab25407724dc508e9bb727cbcc3

21308539 as geometric shapes

Circle

Radius = n
Diameter 42617078
Circumference 133885499.16226
Area 1.4264521902168E+15

Sphere

Radius = n
Volume 4.0527482835826E+22
Surface area 5.7058087608671E+15
Circumference 133885499.16226

Square

Length = n
Perimeter 85234156
Area 454053834314521
Diagonal 30134824.848156

Cube

Length = n
Surface area 2724323005887126
Volume 9.6752238365905E+21
Space diagonal 36907472.183063

Equilateral Triangle

Length = n
Perimeter 63925617
Area 1.9661107760105E+14
Altitude 18453736.091531

Triangular Pyramid

Length = n
Surface area 1.9661107760105E+14
Volume 1.1402360640585E+21
Height 10044941.616052