21105556 (number)

21105556 is an even 8-digits composite number following 21105555 and preceding 21105557. In scientific notation, it is written as 2.1105556 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 12 positive divisors. There are 10506240 positive integers (up to 21105556) that are relatively prime to 21105556.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred five thousand five hundred fifty-six

Notation

Scientific notation 2.1105556 × 10^7
Engineering notation 2.1105556 × 10^6

Prime Factorization of 21105556

Prime Factorization 2 × 2 × 229 × 23041

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10552778
Product of the distinct prime numbers

The prime factorization of 21105556 is 2 × 2 × 229 × 23041. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 7, 49, 45, 178, 640, 8366, 2106, 25123, 62271, 104534, 903998, 5599089, 6886038, 2517557, 28897699, 963053609, 351568281, 5783231850, 10825318

Basic calculations (n = 21105556)

Multiplication

n×y
n×2 42211112
n×3 63316668
n×4 84422224
n×5 105527780

Division

n÷y
n÷2 10552778
n÷3 7035185.3333333
n÷3 5276389
n÷5 4221111.2

Exponentiation

ny
n2 445444494069136
n3 9.4013537144678E+21
n4 1.9842079729651E+29
n5 4.1877812489061E+36

Nth Root

y√n
2√n 4594.0783624139
3√n 276.3539008443
4√n 67.779630881364
5√n 29.166167091693

Divisors of 21105556

1, 2, 4, 229, 458, 916, 23041, 46082, 92164, 5276389, 10552778, 21105556

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21105555
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21105556 can be divided by 12 positive divisors. The sum of these divisors (counting 21105556) is 1, the average is 0.083333333333333.

Base conversion 21105556

Base System Value
2 Binary 1010000100000101110010100
3 Ternary 1110201021101021
4 Quaternary 1100200232110
5 Quinary 20400334211
6 Senary 2032210524
8 Octal 120405624
10 Decimal 21105556
12 Duodecimal 7099a44
16 Hexadecimal 1420b94
20 Vigesimal 6bi3hg
36 Base36 ckd5g

Cryptographic Hash Functions

md5 5a75b50ba38550f69abf42b148fa28b1
sha1 aa9a5650d73bf7a7b5c7003bf301d472d90bbcc3
sha256 6be846f4a69adc9cd051567049fcdfe3f8dec2ad2eedcff89b84697671285f90
sha512 686b36b6f08159575e0fa3eb48834fc334c8c98066ffbf985d8abb667a94f7a9c9b7f85e0e56597f1155aae2c2b7a786a331ca2d1b0839cda7c270cfcb2ecd1f
ripemd-160 c68776cd3128ad0675327543b5140e504e7c49d3

21105556 as geometric shapes

Circle

Radius = n
Diameter 42211112
Circumference 132610119.35906
Area 1.3994051501496E+15

Sphere

Radius = n
Volume 3.9380298350895E+22
Surface area 5.5976206005985E+15
Circumference 132610119.35906

Square

Length = n
Perimeter 84422224
Area 445444494069136
Diagonal 29847763.536625

Cube

Length = n
Surface area 2672666964414816
Volume 9.4013537144678E+21
Space diagonal 36555895.31399

Equilateral Triangle

Length = n
Perimeter 63316668
Area 1.9288312391989E+14
Altitude 18277947.656995

Triangular Pyramid

Length = n
Surface area 1.9288312391989E+14
Volume 1.1079601606389E+21
Height 9949254.5122083