21308521 (number)

21308521 is an odd 8-digits composite number following 21308520 and preceding 21308522. In scientific notation, it is written as 2.1308521 × 10^7. The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors. There are 19211472 positive integers (up to 21308521) that are relatively prime to 21308521.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1308521 × 10^7
Engineering notation 2.1308521 × 10^6

Prime Factorization of 21308521

Prime Factorization 13 × 43 × 38119

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21308521
Product of the distinct prime numbers

The prime factorization of 21308521 is 13 × 43 × 38119. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21308521)

Multiplication

n×y
n×2 42617042
n×3 63925563
n×4 85234084
n×5 106542605

Division

n÷y
n÷2 10654260.5
n÷3 7102840.3333333
n÷3 5327130.25
n÷5 4261704.2

Exponentiation

ny
n2 454053067207441
n3 9.6751993177042E+21
n4 2.0616418784048E+29
n5 4.3930539260469E+36

Nth Root

y√n
2√n 4616.1153581773
3√n 277.23694358273
4√n 67.941999957149
5√n 29.22204877963

Divisors of 21308521

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 -21308520
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 21308521 can be divided by 8 positive divisors. The sum of these divisors (counting 21308521) is 1, the average is 0.125.

Base conversion 21308521

Base System Value
2 Binary 1010001010010010001101001
3 Ternary 1111002120210111
4 Quaternary 1101102101221
5 Quinary 20423333041
6 Senary 2040414321
8 Octal 121222151
10 Decimal 21308521
12 Duodecimal 71773a1
16 Hexadecimal 1452469
20 Vigesimal 6d3b61
36 Base36 coprd

Cryptographic Hash Functions

md5 0ba68f3442cdea0a4bfd9a1617e85e21
sha1 a76318d018b50d9ba9dffbcd1aa98a3e7bb3a005
sha256 f539d73b12f94c38fb5f0c647041860000e3888932520eacc4eebaaef230f2bd
sha512 1d8911e5c2ce3bc3d11e5eb33da46bf7a76cf620d67bb9272315c84d695254ec60704364ac8d297e69981603557b61b4cea21724fc9d407395602fe34fda290f
ripemd-160 68e89f65456bf12f0dde4fc8df683ffa9f80da80

21308521 as geometric shapes

Circle

Radius = n
Diameter 42617042
Circumference 133885386.06493
Area 1.4264497802788E+15

Sphere

Radius = n
Volume 4.0527380131355E+22
Surface area 5.7057991211152E+15
Circumference 133885386.06493

Square

Length = n
Perimeter 85234084
Area 454053067207441
Diagonal 30134799.392312

Cube

Length = n
Surface area 2724318403244646
Volume 9.6751993177042E+21
Space diagonal 36907441.006148

Equilateral Triangle

Length = n
Perimeter 63925563
Area 1.9661074543394E+14
Altitude 18453720.503074

Triangular Pyramid

Length = n
Surface area 1.9661074543394E+14
Volume 1.14023317448E+21
Height 10044933.130771