21687072 (number)

21687072 is an even 8-digits composite number following 21687071 and preceding 21687073. In scientific notation, it is written as 2.1687072 × 10^7. The sum of its digits is 33. It has a total of 8 prime factors and 48 positive divisors. There are 6568320 positive integers (up to 21687072) that are relatively prime to 21687072.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1687072 × 10^7
Engineering notation 2.1687072 × 10^6

Prime Factorization of 21687072

Prime Factorization 2 × 2 × 2 × 2 × 2 × 3 × 121 × 1867

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 1355442
Product of the distinct prime numbers

The prime factorization of 21687072 is 2 × 2 × 2 × 2 × 2 × 3 × 121 × 1867. Since it has a total of 8 prime factors.

Most popular turbo-numbers

7, 10, 26, 75, 881, 476, 9736, 6754, 47073, 39138, 546877, 248142, 6072552, 145246, 34294415, 32071225, 93932726, 283222238, 9368787154, 7463724139

Basic calculations (n = 21687072)

Multiplication

n×y
n×2 43374144
n×3 65061216
n×4 86748288
n×5 108435360

Division

n÷y
n÷2 10843536
n÷3 7229024
n÷3 5421768
n÷5 4337414.4

Exponentiation

ny
n2 470329091933184
n3 1.020006088045E+22
n4 2.2120945471869E+29
n5 4.797385371565E+36

Nth Root

y√n
2√n 4656.9380498349
3√n 278.8690435119
4√n 68.241761772648
5√n 29.325146085248

Divisors of 21687072

1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 121, 242, 363, 484, 726, 968, 1452, 1867, 1936, 2904, 3734, 3872, 5601, 5808, 7468, 11202, 11616, 14936, 22404, 29872, 44808, 59744, 89616, 179232, 225907, 451814, 677721, 903628, 1355442, 1807256, 2710884, 3614512, 5421768, 7229024, 10843536, 21687072

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21687071
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21687072 can be divided by 48 positive divisors. The sum of these divisors (counting 21687072) is 1, the average is 0.020833333333333.

Base conversion 21687072

Base System Value
2 Binary 1010010101110101100100000
3 Ternary 1111210211001220
4 Quaternary 1102232230200
5 Quinary 21022441242
6 Senary 2052455040
8 Octal 122565440
10 Decimal 21687072
12 Duodecimal 731a480
16 Hexadecimal 14aeb20
20 Vigesimal 6fahdc
36 Base36 cwtuo

Cryptographic Hash Functions

md5 4511405708d3b0d0d395eaae8231fbd8
sha1 02e45c2352e222d7f98e341e37fba1b617297a84
sha256 084b9c16c30783a32916f6fb60366b85d4b2fc44363c3cdc7e118e60193b2e5a
sha512 d38ee2eff8f67f4d02813f5c9099874654a201d038a076e455d7b39d33674dc06541e85e78c49b8778d679aa2a8a26e69554130e5bef7acb15196150e916f617
ripemd-160 4504c6933f96fdc9f76495be4abe629c867aad84

21687072 as geometric shapes

Circle

Radius = n
Diameter 43374144
Circumference 136263892.14615
Area 1.4775824199868E+15

Sphere

Radius = n
Volume 4.2725915104252E+22
Surface area 5.9103296799474E+15
Circumference 136263892.14615

Square

Length = n
Perimeter 86748288
Area 470329091933184
Diagonal 30670151.350562

Cube

Length = n
Surface area 2821974551599104
Volume 1.020006088045E+22
Space diagonal 37563110.571404

Equilateral Triangle

Length = n
Perimeter 65061216
Area 2.036584708765E+14
Altitude 18781555.285702

Triangular Pyramid

Length = n
Surface area 2.036584708765E+14
Volume 1.2020887028469E+21
Height 10223383.783521