21086494 (number)

21086494 is an even 8-digits composite number following 21086493 and preceding 21086495. In scientific notation, it is written as 2.1086494 × 10^7. The sum of its digits is 34. It has a total of 5 prime factors and 32 positive divisors. There are 8325120 positive integers (up to 21086494) that are relatively prime to 21086494.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-six thousand four hundred ninety-four

Notation

Scientific notation 2.1086494 × 10^7
Engineering notation 2.1086494 × 10^6

Prime Factorization of 21086494

Prime Factorization 2 × 11 × 13 × 17 × 4337

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21086494
Product of the distinct prime numbers

The prime factorization of 21086494 is 2 × 11 × 13 × 17 × 4337. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 4, 69, 73, 739, 264, 1688, 9966, 34627, 15340, 390452, 324473, 8852039, 3965482, 48501030, 18224872, 628884085, 207612692, 2867463929, 8932533336

Basic calculations (n = 21086494)

Multiplication

n×y
n×2 42172988
n×3 63259482
n×4 84345976
n×5 105432470

Division

n÷y
n÷2 10543247
n÷3 7028831.3333333
n÷3 5271623.5
n÷5 4217298.8

Exponentiation

ny
n2 444640229212036
n3 9.3759035254382E+21
n4 1.9770493343373E+29
n5 4.1689038926208E+36

Nth Root

y√n
2√n 4592.0032665494
3√n 276.27067718532
4√n 67.764321486674
5√n 29.160896759658

Divisors of 21086494

1, 2, 11, 13, 17, 22, 26, 34, 143, 187, 221, 286, 374, 442, 2431, 4337, 4862, 8674, 47707, 56381, 73729, 95414, 112762, 147458, 620191, 811019, 958477, 1240382, 1622038, 1916954, 10543247, 21086494

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21086493
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21086494 can be divided by 32 positive divisors. The sum of these divisors (counting 21086494) is 1, the average is 0.03125.

Base conversion 21086494

Base System Value
2 Binary 1010000011100000100011110
3 Ternary 1110200022020021
4 Quaternary 1100130010132
5 Quinary 20344231434
6 Senary 2031542354
8 Octal 120340436
10 Decimal 21086494
12 Duodecimal 708a9ba
16 Hexadecimal 141c11e
20 Vigesimal 6bfg4e
36 Base36 cjyfy

Cryptographic Hash Functions

md5 4ce36a8ee8e46ddce5f12c7b07d0deaa
sha1 c83163a0d6288e91113b4767d8b1c1c2637d27d1
sha256 e0fddb7d4e07ee5557dfd96bf1db2a45ce0980b58693aba6090d2915fba7eadf
sha512 83229796a9a47595b6b376d1c84c2eb2567fa8118fa6bea948553a91fe7b9a397495de3e4b1565e03e25094a763c2042de40cf459bb5de3a9b179c315056c3d7
ripemd-160 d2c61d86552381c27d26ac76167ae86636aefc61

21086494 as geometric shapes

Circle

Radius = n
Diameter 42172988
Circumference 132490349.28073
Area 1.396878477583E+15

Sphere

Radius = n
Volume 3.9273692848378E+22
Surface area 5.5875139103321E+15
Circumference 132490349.28073

Square

Length = n
Perimeter 84345976
Area 444640229212036
Diagonal 29820805.797699

Cube

Length = n
Surface area 2667841375272216
Volume 9.3759035254382E+21
Space diagonal 36522878.961496

Equilateral Triangle

Length = n
Perimeter 63259482
Area 1.9253486702108E+14
Altitude 18261439.480748

Triangular Pyramid

Length = n
Surface area 1.9253486702108E+14
Volume 1.104960827098E+21
Height 9940268.599233