21887924 (number)

21887924 is an even 8-digits composite number following 21887923 and preceding 21887925. In scientific notation, it is written as 2.1887924 × 10^7. The sum of its digits is 41. It has a total of 5 prime factors and 24 positive divisors. There are 10009440 positive integers (up to 21887924) that are relatively prime to 21887924.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred eighty-seven thousand nine hundred twenty-four

Notation

Scientific notation 2.1887924 × 10^7
Engineering notation 2.1887924 × 10^6

Prime Factorization of 21887924

Prime Factorization 2 × 2 × 19 × 29 × 9931

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10943962
Product of the distinct prime numbers

The prime factorization of 21887924 is 2 × 2 × 19 × 29 × 9931. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21887924)

Multiplication

n×y
n×2 43775848
n×3 65663772
n×4 87551696
n×5 109439620

Division

n÷y
n÷2 10943962
n÷3 7295974.6666667
n÷3 5471981
n÷5 4377584.8

Exponentiation

ny
n2 479081217029776
n3 1.0486093268175E+22
n4 2.2951881251073E+29
n5 5.0236903248051E+36

Nth Root

y√n
2√n 4678.4531631726
3√n 279.72730252803
4√n 68.399219024581
5√n 29.379264177992

Divisors of 21887924

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21887923
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21887924 can be divided by 24 positive divisors. The sum of these divisors (counting 21887924) is 1, the average is 0.041666666666667.

Base conversion 21887924

Base System Value
2 Binary 1010011011111101110110100
3 Ternary 1112012000120212
4 Quaternary 1103133232310
5 Quinary 21100403144
6 Senary 2101044552
8 Octal 123375664
10 Decimal 21887924
12 Duodecimal 73b6758
16 Hexadecimal 14dfbb4
20 Vigesimal 6gfjg4
36 Base36 d14tw

Cryptographic Hash Functions

md5 92f928887e9c9ad7de6d9dfa72b6e59d
sha1 bae51ec2794ec4a698db8022a9a43f734004263a
sha256 a34b4b83edfab28a924cb02b0fad050e9abca037b82dbdff691d2534274190f2
sha512 019c533e736a133bb742faad9c4ad971d47bc492dfe4721f8bafa9802642eff9640eac6581b913d584e543ed5e52a37a7624758201a235a3c1fadbe4d7d7ab67
ripemd-160 8e5a8d6ca4bb6e09c5d00f1acb7b8248db7d0f83

21887924 as geometric shapes

Circle

Radius = n
Diameter 43775848
Circumference 137525882.48146
Area 1.5050780318936E+15

Sphere

Radius = n
Volume 4.3924044768209E+22
Surface area 6.0203121275744E+15
Circumference 137525882.48146

Square

Length = n
Perimeter 87551696
Area 479081217029776
Diagonal 30954198.972992

Cube

Length = n
Surface area 2874487302178656
Volume 1.0486093268175E+22
Space diagonal 37910996.440206

Equilateral Triangle

Length = n
Perimeter 65663772
Area 2.0744825221188E+14
Altitude 18955498.220103

Triangular Pyramid

Length = n
Surface area 2.0744825221188E+14
Volume 1.2357979430136E+21
Height 10318066.324331