21093905 (number)

21093905 is an odd 8-digits composite number following 21093904 and preceding 21093906. In scientific notation, it is written as 2.1093905 × 10^7. The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors. There are 14427072 positive integers (up to 21093905) that are relatively prime to 21093905.

Interesting facts

Basic properties

Name

Name twenty-one million ninety-three thousand nine hundred five

Notation

Scientific notation 2.1093905 × 10^7
Engineering notation 2.1093905 × 10^6

Prime Factorization of 21093905

Prime Factorization 5 × 7 × 829 × 727

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21093905
Product of the distinct prime numbers

The prime factorization of 21093905 is 5 × 7 × 829 × 727. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 2, 18, 88, 837, 131, 1473, 7469, 31015, 38196, 707265, 817093, 4700091, 1696509, 83508838, 59292043, 63855953, 434893518, 908889037, 2634836683

Basic calculations (n = 21093905)

Multiplication

n×y
n×2 42187810
n×3 63281715
n×4 84375620
n×5 105469525

Division

n÷y
n÷2 10546952.5
n÷3 7031301.6666667
n÷3 5273476.25
n÷5 4218781

Exponentiation

ny
n2 444952828149025
n3 9.3857926864569E+21
n4 1.9798301927782E+29
n5 4.1762350002594E+36

Nth Root

y√n
2√n 4592.8101419501
3√n 276.3030391666
4√n 67.770274766671
5√n 29.162946232944

Divisors of 21093905

1, 5, 7, 35, 727, 829, 3635, 4145, 5089, 5803, 25445, 29015, 602683, 3013415, 4218781, 21093905

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 -21093904
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 21093905 can be divided by 16 positive divisors. The sum of these divisors (counting 21093905) is 1, the average is 0.0625.

Base conversion 21093905

Base System Value
2 Binary 1010000011101111000010001
3 Ternary 1110200200101202
4 Quaternary 1100131320101
5 Quinary 20400001110
6 Senary 2032040545
8 Octal 120357021
10 Decimal 21093905
12 Duodecimal 7093155
16 Hexadecimal 141de11
20 Vigesimal 6bgef5
36 Base36 ck45t

Cryptographic Hash Functions

md5 2e543bce248c33a203730b100cb23c32
sha1 f33120fc8e3e295d0695e4d0203482cb44f2a995
sha256 383db66583cb7474d1534c80df050a796bb55b1ff25fbc73b42737f4e1a6e967
sha512 ab3f8b32853a196b2c0a326069350afd5799efd73ab4611d59352854d4c8908aab2122953f7ea8a1df2567c78c809adc5e52114fdad99319b35c4b0c243870c3
ripemd-160 45e3b0e681cf54854c31c2b49fb88f003b06024f

21093905 as geometric shapes

Circle

Radius = n
Diameter 42187810
Circumference 132536913.96704
Area 1.397860536107E+15

Sphere

Radius = n
Volume 3.9315116469186E+22
Surface area 5.5914421444279E+15
Circumference 132536913.96704

Square

Length = n
Perimeter 84375620
Area 444952828149025
Diagonal 29831286.53441

Cube

Length = n
Surface area 2669716968894150
Volume 9.3857926864569E+21
Space diagonal 36535715.190031

Equilateral Triangle

Length = n
Perimeter 63281715
Area 1.9267022633139E+14
Altitude 18267857.595016

Triangular Pyramid

Length = n
Surface area 1.9267022633139E+14
Volume 1.1061262759008E+21
Height 9943762.1781365