21006687 (number)

21006687 is an odd 8-digits composite number following 21006686 and preceding 21006688. In scientific notation, it is written as 2.1006687 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 12796800 positive integers (up to 21006687) that are relatively prime to 21006687.

Interesting facts

Basic properties

Name

Name twenty-one million six thousand six hundred eighty-seven

Notation

Scientific notation 2.1006687 × 10^7
Engineering notation 2.1006687 × 10^6

Prime Factorization of 21006687

Prime Factorization 3 × 13 × 101 × 5333

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21006687
Product of the distinct prime numbers

The prime factorization of 21006687 is 3 × 13 × 101 × 5333. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 7, 97, 89, 113, 144, 2052, 6564, 60125, 46414, 697957, 166807, 7621860, 4567098, 92406040, 18305150, 729845268, 164484588, 3082821639, 8544600523

Basic calculations (n = 21006687)

Multiplication

n×y
n×2 42013374
n×3 63020061
n×4 84026748
n×5 105033435

Division

n÷y
n÷2 10503343.5
n÷3 7002229
n÷3 5251671.75
n÷5 4201337.4

Exponentiation

ny
n2 441280898715969
n3 9.2698497184051E+21
n4 1.9472883157157E+29
n5 4.0906076146998E+36

Nth Root

y√n
2√n 4583.3052483988
3√n 275.92169853985
4√n 67.700112617327
5√n 29.138789955947

Divisors of 21006687

1, 3, 13, 39, 101, 303, 1313, 3939, 5333, 15999, 69329, 207987, 538633, 1615899, 7002229, 21006687

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 -21006686
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 21006687 can be divided by 16 positive divisors. The sum of these divisors (counting 21006687) is 1, the average is 0.0625.

Base conversion 21006687

Base System Value
2 Binary 1010000001000100101011111
3 Ternary 1110112020202110
4 Quaternary 1100020211133
5 Quinary 20334203222
6 Senary 2030125103
8 Octal 120104537
10 Decimal 21006687
12 Duodecimal 7050793
16 Hexadecimal 140895f
20 Vigesimal 6b5ge7
36 Base36 ci8v3

Cryptographic Hash Functions

md5 04899a019b3574ea047007b5296f1ee4
sha1 ba131a02adc38e91e787a65bcc2e69bf039c36c5
sha256 161b1e364a963516391f2e9f869c516f60df3cbce7d0544d76207020900d81da
sha512 a46190a65b126bfb316452cba2c858caa6c6754bf6bce5f30f54a747df49fb314036df5fcda0cc80290d476c0f403091645b6ed8ade708aa55f3df174c02cae6
ripemd-160 983fa8bb3f47131a24b80ed4520d214989e8c262

21006687 as geometric shapes

Circle

Radius = n
Diameter 42013374
Circumference 131988907.11092
Area 1.3863248295756E+15

Sphere

Radius = n
Volume 3.8829455700297E+22
Surface area 5.5452993183024E+15
Circumference 131988907.11092

Square

Length = n
Perimeter 84026748
Area 441280898715969
Diagonal 29707941.655927

Cube

Length = n
Surface area 2647685392295814
Volume 9.2698497184051E+21
Space diagonal 36384649.182697

Equilateral Triangle

Length = n
Perimeter 63020061
Area 1.9108023424643E+14
Altitude 18192324.591348

Triangular Pyramid

Length = n
Surface area 1.9108023424643E+14
Volume 1.0924622660774E+21
Height 9902647.2186422