21105875 (number)

21105875 is an odd 8-digits composite number following 21105874 and preceding 21105876. In scientific notation, it is written as 2.1105875 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 14472000 positive integers (up to 21105875) that are relatively prime to 21105875.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred five thousand eight hundred seventy-five

Notation

Scientific notation 2.1105875 × 10^7
Engineering notation 2.1105875 × 10^6

Prime Factorization of 21105875

Prime Factorization 35 × 25 × 24121

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21105875
Product of the distinct prime numbers

The prime factorization of 21105875 is 35 × 25 × 24121. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21105875)

Multiplication

n×y
n×2 42211750
n×3 63317625
n×4 84423500
n×5 105529375

Division

n÷y
n÷2 10552937.5
n÷3 7035291.6666667
n÷3 5276468.75
n÷5 4221175

Exponentiation

ny
n2 445457959515625
n3 9.4017800112918E+21
n4 1.9843279369582E+29
n5 4.1880977396449E+36

Nth Root

y√n
2√n 4594.1130808895
3√n 276.35529315462
4√n 67.779886993779
5√n 29.166255257587

Divisors of 21105875

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21105874
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21105875 can be divided by 8 positive divisors. The sum of these divisors (counting 21105875) is 1, the average is 0.125.

Base conversion 21105875

Base System Value
2 Binary 1010000100000110011010011
3 Ternary 1110201021211002
4 Quaternary 1100200303103
5 Quinary 20400342000
6 Senary 2032212215
8 Octal 120406323
10 Decimal 21105875
12 Duodecimal 709a06b
16 Hexadecimal 1420cd3
20 Vigesimal 6bi4df
36 Base36 ckdeb

Cryptographic Hash Functions

md5 7cbe04c33fc25a57ca280d36bfe38fa4
sha1 7c5e267b37bc8233a9c1bd7f299548ed221d37b4
sha256 b49e916db08b78e3d09c839428edbb7b9144ee379c0b51ce1550f5571f51523e
sha512 b4237e68f5f25fa6eb00588275a3db82d3383db8084f8396c54afb8d0ab74526f59b6a9b6ba9fc4b1955d134bb1308337c0c633a6de19784ed4c6f6a87a3beda
ripemd-160 49893b16272a008c3bb3bf20d587138ba564a880

21105875 as geometric shapes

Circle

Radius = n
Diameter 42211750
Circumference 132612123.69517
Area 1.3994474530974E+15

Sphere

Radius = n
Volume 3.9382084018856E+22
Surface area 5.5977898123895E+15
Circumference 132612123.69517

Square

Length = n
Perimeter 84423500
Area 445457959515625
Diagonal 29848214.670751

Cube

Length = n
Surface area 2672747757093750
Volume 9.4017800112918E+21
Space diagonal 36556447.838198

Equilateral Triangle

Length = n
Perimeter 63317625
Area 1.9288895462926E+14
Altitude 18278223.919099

Triangular Pyramid

Length = n
Surface area 1.9288895462926E+14
Volume 1.1080104002014E+21
Height 9949404.8902504