21887768 (number)

21887768 is an even 8-digits composite number following 21887767 and preceding 21887769. In scientific notation, it is written as 2.1887768 × 10^7. The sum of its digits is 47. It has a total of 6 prime factors and 32 positive divisors. There are 9150720 positive integers (up to 21887768) that are relatively prime to 21887768.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred eighty-seven thousand seven hundred sixty-eight

Notation

Scientific notation 2.1887768 × 10^7
Engineering notation 2.1887768 × 10^6

Prime Factorization of 21887768

Prime Factorization 2 × 2 × 2 × 7 × 41 × 9533

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5471942
Product of the distinct prime numbers

The prime factorization of 21887768 is 2 × 2 × 2 × 7 × 41 × 9533. Since it has a total of 6 prime factors.

Most popular turbo-numbers

8, 8, 91, 25, 166, 536, 2122, 6878, 70838, 7671, 844632, 569405, 9684663, 5673068, 83969239, 84231735, 965003737, 181026522, 7573332223, 2247799651

Basic calculations (n = 21887768)

Multiplication

n×y
n×2 43775536
n×3 65663304
n×4 87551072
n×5 109438840

Division

n÷y
n÷2 10943884
n÷3 7295922.6666667
n÷3 5471942
n÷5 4377553.6

Exponentiation

ny
n2 479074388021824
n3 1.0485869059764E+22
n4 2.2951226925849E+29
n5 5.0235113026833E+36

Nth Root

y√n
2√n 4678.4364909658
3√n 279.72663796732
4√n 68.399097150224
5√n 29.37922229939

Divisors of 21887768

1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 287, 328, 574, 1148, 2296, 9533, 19066, 38132, 66731, 76264, 133462, 266924, 390853, 533848, 781706, 1563412, 2735971, 3126824, 5471942, 10943884, 21887768

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 -21887767
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 21887768 can be divided by 32 positive divisors. The sum of these divisors (counting 21887768) is 1, the average is 0.03125.

Base conversion 21887768

Base System Value
2 Binary 1010011011111101100011000
3 Ternary 1112012000101002
4 Quaternary 1103133230120
5 Quinary 21100402033
6 Senary 2101044132
8 Octal 123375430
10 Decimal 21887768
12 Duodecimal 73b6648
16 Hexadecimal 14dfb18
20 Vigesimal 6gfj88
36 Base36 d14pk

Cryptographic Hash Functions

md5 a1cbe6d2ad76692528e394077946b01a
sha1 38b112932fc4dfc6e2d98cc63d00a1a6c9a4de60
sha256 e2ec7a3139d248eafeacea2ad725d1bd1835d4941d5304047363c70bfa331849
sha512 d89f6b64e02e9581c4e32cdf6a72d597b55ff86343f11eda46512546f2d8cb24ea78493aa45f12f308520ad63e716299c566c6adaf988f4a189ba6643de2f426
ripemd-160 d37c101582fd606490dc6adc17bfe0837dc949ad

21887768 as geometric shapes

Circle

Radius = n
Diameter 43775536
Circumference 137524902.30456
Area 1.5050565779324E+15

Sphere

Radius = n
Volume 4.3923105606211E+22
Surface area 6.0202263117296E+15
Circumference 137524902.30456

Square

Length = n
Perimeter 87551072
Area 479074388021824
Diagonal 30953978.355676

Cube

Length = n
Surface area 2874446328130944
Volume 1.0485869059764E+22
Space diagonal 37910726.24028

Equilateral Triangle

Length = n
Perimeter 65663304
Area 2.0744529516469E+14
Altitude 18955363.12014

Triangular Pyramid

Length = n
Surface area 2.0744529516469E+14
Volume 1.2357715197988E+21
Height 10317992.785225