21105853 (number)

21105853 is an odd 8-digits composite number following 21105852 and preceding 21105854. In scientific notation, it is written as 2.1105853 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 21095548 positive integers (up to 21105853) that are relatively prime to 21105853.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1105853 × 10^7
Engineering notation 2.1105853 × 10^6

Prime Factorization of 21105853

Prime Factorization 2819 × 7487

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21105853
Product of the distinct prime numbers

The prime factorization of 21105853 is 2819 × 7487. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21105853)

Multiplication

n×y
n×2 42211706
n×3 63317559
n×4 84423412
n×5 105529265

Division

n÷y
n÷2 10552926.5
n÷3 7035284.3333333
n÷3 5276463.25
n÷5 4221170.6

Exponentiation

ny
n2 445457030857609
n3 9.4017506110972E+21
n4 1.9843196634048E+29
n5 4.1880759120831E+36

Nth Root

y√n
2√n 4594.1106865203
3√n 276.35519713367
4√n 67.779869330947
5√n 29.166249177215

Divisors of 21105853

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21105852
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21105853 can be divided by 4 positive divisors. The sum of these divisors (counting 21105853) is 1, the average is 0.25.

Base conversion 21105853

Base System Value
2 Binary 1010000100000110010111101
3 Ternary 1110201021210021
4 Quaternary 1100200302331
5 Quinary 20400341403
6 Senary 2032212141
8 Octal 120406275
10 Decimal 21105853
12 Duodecimal 709a051
16 Hexadecimal 1420cbd
20 Vigesimal 6bi4cd
36 Base36 ckddp

Cryptographic Hash Functions

md5 067183936848627d7ade4b26ca7caa01
sha1 f2a14e7d7e77c7af5ed20119bc08152c224ece24
sha256 842d6d234e00236c2360d278697d2894c38824b619d10f668cac367450aaacee
sha512 ff01548e6e779202b91e3315727cf7eb4396c27531124bd495568cfe445720ba65766e79d5b07159ae96679186b58da6378b90c6864c7e6f9c8fea34d133b7fa
ripemd-160 fbb27ae1f1c11d7a063ffddb689891e2d16f1a3f

21105853 as geometric shapes

Circle

Radius = n
Diameter 42211706
Circumference 132611985.46509
Area 1.3994445356322E+15

Sphere

Radius = n
Volume 3.9381960867608E+22
Surface area 5.5977781425287E+15
Circumference 132611985.46509

Square

Length = n
Perimeter 84423412
Area 445457030857609
Diagonal 29848183.558053

Cube

Length = n
Surface area 2672742185145654
Volume 9.4017506110972E+21
Space diagonal 36556409.73308

Equilateral Triangle

Length = n
Perimeter 63317559
Area 1.9288855250854E+14
Altitude 18278204.86654

Triangular Pyramid

Length = n
Surface area 1.9288855250854E+14
Volume 1.1080069353553E+21
Height 9949394.519351