21081318 (number)

21081318 is an even 8-digits composite number following 21081317 and preceding 21081319. In scientific notation, it is written as 2.1081318 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 6784736 positive integers (up to 21081318) that are relatively prime to 21081318.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-one thousand three hundred eighteen

Notation

Scientific notation 2.1081318 × 10^7
Engineering notation 2.1081318 × 10^6

Prime Factorization of 21081318

Prime Factorization 2 × 3 × 29 × 121157

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21081318
Product of the distinct prime numbers

The prime factorization of 21081318 is 2 × 3 × 29 × 121157. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 5, 2, 11, 805, 787, 2768, 4970, 45602, 12156, 96674, 107814, 2970339, 4207259, 98950834, 37807500, 355882872, 32793309, 7395155199, 9526000266

Basic calculations (n = 21081318)

Multiplication

n×y
n×2 42162636
n×3 63243954
n×4 84325272
n×5 105406590

Division

n÷y
n÷2 10540659
n÷3 7027106
n÷3 5270329.5
n÷5 4216263.6

Exponentiation

ny
n2 444421968617124
n3 9.3690008466036E+21
n4 1.9751088618952E+29
n5 4.1637898002231E+36

Nth Root

y√n
2√n 4591.4396435105
3√n 276.24807039185
4√n 67.760162658531
5√n 29.159465022133

Divisors of 21081318

1, 2, 3, 6, 29, 58, 87, 174, 121157, 242314, 363471, 726942, 3513553, 7027106, 10540659, 21081318

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 -21081317
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 21081318 can be divided by 16 positive divisors. The sum of these divisors (counting 21081318) is 1, the average is 0.0625.

Base conversion 21081318

Base System Value
2 Binary 1010000011010110011100110
3 Ternary 1110200001010120
4 Quaternary 1100122303212
5 Quinary 20344100233
6 Senary 2031502410
8 Octal 120326346
10 Decimal 21081318
12 Duodecimal 7087a06
16 Hexadecimal 141ace6
20 Vigesimal 6bf35i
36 Base36 cjug6

Cryptographic Hash Functions

md5 303cb7e24586585813a5bdce8fd667fe
sha1 9da228c249b7fa31120e4c91713db9d888d87a0f
sha256 86b8ce868756654348452fde352145f01b3580958bbb415a66a96fde1f3f28b7
sha512 14531aea18680b2d801e8ee58672d0d3a54446a8af8dd9a23935a0efb0fbf6b87d2cc7f7f8537448b2196f63783c1a485228f848a2fed7c3894f49d88cbf9d39
ripemd-160 fb5602bac579544d7967a54ed10b31a43144307d

21081318 as geometric shapes

Circle

Radius = n
Diameter 42162636
Circumference 132457827.51358
Area 1.3961927917015E+15

Sphere

Radius = n
Volume 3.9244778974889E+22
Surface area 5.5847711668059E+15
Circumference 132457827.51358

Square

Length = n
Perimeter 84325272
Area 444421968617124
Diagonal 29813485.8283

Cube

Length = n
Surface area 2666531811702744
Volume 9.3690008466036E+21
Space diagonal 36513913.866516

Equilateral Triangle

Length = n
Perimeter 63243954
Area 1.9244035741116E+14
Altitude 18256956.933258

Triangular Pyramid

Length = n
Surface area 1.9244035741116E+14
Volume 1.104147338596E+21
Height 9937828.6094334