21531912 (number)

21531912 is an even 8-digits composite number following 21531911 and preceding 21531913. In scientific notation, it is written as 2.1531912 × 10^7. The sum of its digits is 24. It has a total of 5 prime factors and 16 positive divisors. There are 7177296 positive integers (up to 21531912) that are relatively prime to 21531912.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred thirty-one thousand nine hundred twelve

Notation

Scientific notation 2.1531912 × 10^7
Engineering notation 2.1531912 × 10^6

Prime Factorization of 21531912

Prime Factorization 2 × 2 × 2 × 3 × 897163

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5382978
Product of the distinct prime numbers

The prime factorization of 21531912 is 2 × 2 × 2 × 3 × 897163. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 2, 83, 83, 883, 511, 3168, 1312, 90947, 11894, 447985, 847206, 2287353, 5730212, 76836715, 1635921, 548279392, 879428506, 8562555809, 2681366893

Basic calculations (n = 21531912)

Multiplication

n×y
n×2 43063824
n×3 64595736
n×4 86127648
n×5 107659560

Division

n÷y
n÷2 10765956
n÷3 7177304
n÷3 5382978
n÷5 4306382.4

Exponentiation

ny
n2 463623234375744
n3 9.9826946837339E+21
n4 2.1494650345303E+29
n5 4.6282091970583E+36

Nth Root

y√n
2√n 4640.2491312428
3√n 278.20239561335
4√n 68.119374125449
5√n 29.283064173235

Divisors of 21531912

1, 2, 3, 4, 6, 8, 12, 24, 897163, 1794326, 2691489, 3588652, 5382978, 7177304, 10765956, 21531912

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 -21531911
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 21531912 can be divided by 16 positive divisors. The sum of these divisors (counting 21531912) is 1, the average is 0.0625.

Base conversion 21531912

Base System Value
2 Binary 1010010001000110100001000
3 Ternary 1111111221020020
4 Quaternary 1102020310020
5 Quinary 21003010122
6 Senary 2045300440
8 Octal 122106410
10 Decimal 21531912
12 Duodecimal 7264720
16 Hexadecimal 1488d08
20 Vigesimal 6eb9fc
36 Base36 cti4o

Cryptographic Hash Functions

md5 02a8a6e2c4ca1d376390bd7b0a7fd663
sha1 bed7f26417354fe9dea693081e7635deed9166ea
sha256 7e2afaabc05736b61720d30dabe1353900d80b1c30cf92da2c1f2ab1d4195dab
sha512 286a199dfe3fa7addc48ebbaa8e3d36a220c489146fadd52d6e5e7540c9b2f4df8253aac09deaac9d3fe959be4983e92689bfe545e5572c57c9152f4cadeb3e6
ripemd-160 9f833ed61c762cb62dd1bfda3ba668043add78c3

21531912 as geometric shapes

Circle

Radius = n
Diameter 43063824
Circumference 135288993.11388
Area 1.4565153471484E+15

Sphere

Radius = n
Volume 4.1815413708598E+22
Surface area 5.8260613885935E+15
Circumference 135288993.11388

Square

Length = n
Perimeter 86127648
Area 463623234375744
Diagonal 30450721.974224

Cube

Length = n
Surface area 2781739406254464
Volume 9.9826946837339E+21
Space diagonal 37294365.568102

Equilateral Triangle

Length = n
Perimeter 64595736
Area 2.0075474937705E+14
Altitude 18647182.784051

Triangular Pyramid

Length = n
Surface area 2.0075474937705E+14
Volume 1.1764718508972E+21
Height 10150240.658075