21105854 (number)

21105854 is an even 8-digits composite number following 21105853 and preceding 21105855. In scientific notation, it is written as 2.1105854 × 10^7. The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors. There are 7956000 positive integers (up to 21105854) that are relatively prime to 21105854.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred five thousand eight hundred fifty-four

Notation

Scientific notation 2.1105854 × 10^7
Engineering notation 2.1105854 × 10^6

Prime Factorization of 21105854

Prime Factorization 2 × 7 × 341 × 4421

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21105854
Product of the distinct prime numbers

The prime factorization of 21105854 is 2 × 7 × 341 × 4421. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 6, 35, 68, 455, 196, 1940, 1342, 98445, 18342, 620340, 646630, 7575485, 9753262, 36674473, 8826310, 364188350, 327118552, 1187850181, 4774244844

Basic calculations (n = 21105854)

Multiplication

n×y
n×2 42211708
n×3 63317562
n×4 84423416
n×5 105529270

Division

n÷y
n÷2 10552927
n÷3 7035284.6666667
n÷3 5276463.5
n÷5 4221170.8

Exponentiation

ny
n2 445457073069316
n3 9.4017519474683E+21
n4 1.9843200394748E+29
n5 4.188076904243E+36

Nth Root

y√n
2√n 4594.1107953553
3√n 276.35520149826
4√n 67.779870133804
5√n 29.166249453596

Divisors of 21105854

1, 2, 7, 14, 341, 682, 2387, 4421, 4774, 8842, 30947, 61894, 1507561, 3015122, 10552927, 21105854

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 -21105853
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 21105854 can be divided by 16 positive divisors. The sum of these divisors (counting 21105854) is 1, the average is 0.0625.

Base conversion 21105854

Base System Value
2 Binary 1010000100000110010111110
3 Ternary 1110201021210022
4 Quaternary 1100200302332
5 Quinary 20400341404
6 Senary 2032212142
8 Octal 120406276
10 Decimal 21105854
12 Duodecimal 709a052
16 Hexadecimal 1420cbe
20 Vigesimal 6bi4ce
36 Base36 ckddq

Cryptographic Hash Functions

md5 24a348d29a78700eb1cdd7fe65afd5da
sha1 a89d69b62229ecbe3c9f52483c56a78e469e05e1
sha256 df78fcadaeb020906f16f9482b4c57f360550b970f5d54298351b2c0d84c82c8
sha512 88bf6f86db50929f843953a757566aee3b9f37fb3f867ea893956f425b5c8fdaf5b03cc00256e75f67041c11ee569389e806a071633a453139f22ed867e8052c
ripemd-160 e5ee29c94312edb1decdeb2967db2205e120e9bc

21105854 as geometric shapes

Circle

Radius = n
Diameter 42211708
Circumference 132611991.74828
Area 1.3994446682442E+15

Sphere

Radius = n
Volume 3.9381966465387E+22
Surface area 5.5977786729767E+15
Circumference 132611991.74828

Square

Length = n
Perimeter 84423416
Area 445457073069316
Diagonal 29848184.972266

Cube

Length = n
Surface area 2672742438415896
Volume 9.4017519474683E+21
Space diagonal 36556411.465131

Equilateral Triangle

Length = n
Perimeter 63317562
Area 1.9288857078674E+14
Altitude 18278205.732565

Triangular Pyramid

Length = n
Surface area 1.9288857078674E+14
Volume 1.1080070928481E+21
Height 9949394.9907555