21086838 (number)

21086838 is an even 8-digits composite number following 21086837 and preceding 21086839. In scientific notation, it is written as 2.1086838 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors. There are 6938568 positive integers (up to 21086838) that are relatively prime to 21086838.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-six thousand eight hundred thirty-eight

Notation

Scientific notation 2.1086838 × 10^7
Engineering notation 2.1086838 × 10^6

Prime Factorization of 21086838

Prime Factorization 2 × 9 × 3 × 79 × 4943

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21086838
Product of the distinct prime numbers

The prime factorization of 21086838 is 2 × 9 × 3 × 79 × 4943. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 7, 98, 7, 102, 145, 846, 8971, 32190, 99619, 78099, 555961, 981547, 9487668, 77130249, 86864439, 25969089, 267832065, 4291003744, 5488284898

Basic calculations (n = 21086838)

Multiplication

n×y
n×2 42173676
n×3 63260514
n×4 84347352
n×5 105434190

Division

n÷y
n÷2 10543419
n÷3 7028946
n÷3 5271709.5
n÷5 4217367.6

Exponentiation

ny
n2 444654736838244
n3 9.3763624016407E+21
n4 1.9771783499269E+29
n5 4.1692439562015E+36

Nth Root

y√n
2√n 4592.0407228159
3√n 276.27217951498
4√n 67.764597857701
5√n 29.160991903811

Divisors of 21086838

1, 2, 3, 6, 9, 18, 27, 54, 79, 158, 237, 474, 711, 1422, 2133, 4266, 4943, 9886, 14829, 29658, 44487, 88974, 133461, 266922, 390497, 780994, 1171491, 2342982, 3514473, 7028946, 10543419, 21086838

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 -21086837
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 21086838 can be divided by 32 positive divisors. The sum of these divisors (counting 21086838) is 1, the average is 0.03125.

Base conversion 21086838

Base System Value
2 Binary 1010000011100001001110110
3 Ternary 1110200022201000
4 Quaternary 1100130021312
5 Quinary 20344234323
6 Senary 2031544130
8 Octal 120341166
10 Decimal 21086838
12 Duodecimal 708b046
16 Hexadecimal 141c276
20 Vigesimal 6bfh1i
36 Base36 cjypi

Cryptographic Hash Functions

md5 86ef091c71ad16e4e57b5d3a90b3286b
sha1 8bcf7bf3c145274b21439c53db9b803a37da968d
sha256 85596b7f9cacdfd3e85b62476492b4cb985f2f3ec838fbca276e70a80b285794
sha512 8b07d4d01c375191a5d9dbd0df9d977e8ac0e020ee2d9bb883785b4ac906d50c28e74e8c1fd177d059560b584107335c3f00881085daab2ccfc637d4f9985ad7
ripemd-160 be1aebeb6789a898b7321f8b02d6a1aa9ef2be25

21086838 as geometric shapes

Circle

Radius = n
Diameter 42173676
Circumference 132492510.69648
Area 1.3969240546349E+15

Sphere

Radius = n
Volume 3.927561498452E+22
Surface area 5.5876962185397E+15
Circumference 132492510.69648

Square

Length = n
Perimeter 84347352
Area 444654736838244
Diagonal 29821292.287164

Cube

Length = n
Surface area 2667928421029464
Volume 9.3763624016407E+21
Space diagonal 36523474.786974

Equilateral Triangle

Length = n
Perimeter 63260514
Area 1.925411490075E+14
Altitude 18261737.393487

Triangular Pyramid

Length = n
Surface area 1.925411490075E+14
Volume 1.1050149061771E+21
Height 9940430.7623881