21006688 (number)

21006688 is an even 8-digits composite number following 21006687 and preceding 21006689. In scientific notation, it is written as 2.1006688 × 10^7. The sum of its digits is 31. It has a total of 6 prime factors and 12 positive divisors. There are 10503328 positive integers (up to 21006688) that are relatively prime to 21006688.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1006688 × 10^7
Engineering notation 2.1006688 × 10^6

Prime Factorization of 21006688

Prime Factorization 2 × 2 × 2 × 2 × 2 × 656459

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 1312918
Product of the distinct prime numbers

The prime factorization of 21006688 is 2 × 2 × 2 × 2 × 2 × 656459. Since it has a total of 6 prime factors.

Most popular turbo-numbers

8, 4, 65, 60, 633, 85, 7229, 3019, 3330, 71961, 646216, 46985, 4958979, 1806065, 36775852, 82933750, 340810793, 704905870, 1335878005, 68989315

Basic calculations (n = 21006688)

Multiplication

n×y
n×2 42013376
n×3 63020064
n×4 84026752
n×5 105033440

Division

n÷y
n÷2 10503344
n÷3 7002229.3333333
n÷3 5251672
n÷5 4201337.6

Exponentiation

ny
n2 441280940729344
n3 9.2698510422478E+21
n4 1.9472886865097E+29
n5 4.090608588344E+36

Nth Root

y√n
2√n 4583.3053574904
3√n 275.92170291816
4√n 67.700113423024
5√n 29.138790233371

Divisors of 21006688

1, 2, 4, 8, 16, 32, 656459, 1312918, 2625836, 5251672, 10503344, 21006688

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21006687
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21006688 can be divided by 12 positive divisors. The sum of these divisors (counting 21006688) is 1, the average is 0.083333333333333.

Base conversion 21006688

Base System Value
2 Binary 1010000001000100101100000
3 Ternary 1110112020202111
4 Quaternary 1100020211200
5 Quinary 20334203223
6 Senary 2030125104
8 Octal 120104540
10 Decimal 21006688
12 Duodecimal 7050794
16 Hexadecimal 1408960
20 Vigesimal 6b5ge8
36 Base36 ci8v4

Cryptographic Hash Functions

md5 eb8de8c08a0b1225bb8161075c07f4c5
sha1 09da378f7345f9a96ae6bee86b875b48a68ebdec
sha256 68b724c612bd697608d0cd7270ed79927933b4e28c992165bf673c55029858ed
sha512 62d6d193d41f9f85dc46ec3c6228b3c10c9ebda4f41345bdcf3e181b6de7be6aa519963185233eb6656ef429e61815512e8e3bcf8ae3cf699b9709d987ac86f4
ripemd-160 b5553a14d7a538d0a4a780ce16e875728db339b6

21006688 as geometric shapes

Circle

Radius = n
Diameter 42013376
Circumference 131988913.39411
Area 1.3863249615645E+15

Sphere

Radius = n
Volume 3.8829461245597E+22
Surface area 5.545299846258E+15
Circumference 131988913.39411

Square

Length = n
Perimeter 84026752
Area 441280940729344
Diagonal 29707943.07014

Cube

Length = n
Surface area 2647685644376064
Volume 9.2698510422478E+21
Space diagonal 36384650.914747

Equilateral Triangle

Length = n
Perimeter 63020064
Area 1.9108025243875E+14
Altitude 18192325.457374

Triangular Pyramid

Length = n
Surface area 1.9108025243875E+14
Volume 1.0924624220938E+21
Height 9902647.6900467