21105812 (number)

21105812 is an even 8-digits composite number following 21105811 and preceding 21105813. In scientific notation, it is written as 2.1105812 × 10^7. The sum of its digits is 20. It has a total of 6 prime factors and 48 positive divisors. There are 7983360 positive integers (up to 21105812) that are relatively prime to 21105812.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1105812 × 10^7
Engineering notation 2.1105812 × 10^6

Prime Factorization of 21105812

Prime Factorization 2 × 2 × 7 × 13 × 23 × 2521

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 10552906
Product of the distinct prime numbers

The prime factorization of 21105812 is 2 × 2 × 7 × 13 × 23 × 2521. Since it has a total of 6 prime factors.

Most popular turbo-numbers

10, 4, 25, 11, 826, 870, 7497, 8958, 29012, 1149, 521396, 121679, 4419458, 855931, 78867781, 95482392, 135307524, 407496035, 4589871951, 3103176491

Basic calculations (n = 21105812)

Multiplication

n×y
n×2 42211624
n×3 63317436
n×4 84423248
n×5 105529060

Division

n÷y
n÷2 10552906
n÷3 7035270.6666667
n÷3 5276453
n÷5 4221162.4

Exponentiation

ny
n2 445455300179344
n3 9.4016958199888E+21
n4 1.9843042445787E+29
n5 4.188035233688E+36

Nth Root

y√n
2√n 4594.1062242835
3√n 276.35501818536
4√n 67.779836413815
5√n 29.166237845599

Divisors of 21105812

1, 2, 4, 7, 13, 14, 23, 26, 28, 46, 52, 91, 92, 161, 182, 299, 322, 364, 598, 644, 1196, 2093, 2521, 4186, 5042, 8372, 10084, 17647, 32773, 35294, 57983, 65546, 70588, 115966, 131092, 229411, 231932, 405881, 458822, 753779, 811762, 917644, 1507558, 1623524, 3015116, 5276453, 10552906, 21105812

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21105811
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21105812 can be divided by 48 positive divisors. The sum of these divisors (counting 21105812) is 1, the average is 0.020833333333333.

Base conversion 21105812

Base System Value
2 Binary 1010000100000110010010100
3 Ternary 1110201021201202
4 Quaternary 1100200302110
5 Quinary 20400341222
6 Senary 2032212032
8 Octal 120406224
10 Decimal 21105812
12 Duodecimal 709a018
16 Hexadecimal 1420c94
20 Vigesimal 6bi4ac
36 Base36 ckdck

Cryptographic Hash Functions

md5 5af125ff670df9def42ec1711fe437cb
sha1 794d622fd0d721916f197dccfb8d39c528dbcbc9
sha256 20f4c3137e1e41ac45b0c4c4430722446c54f077758a72f4e4feda1a4e6e0e30
sha512 42d40df156641765bf60133d83ea14fd4280fa19c3c42fd413e3627fe203526c13f70e1b58a050a18eba4807c2a0e464d7dd9f7104ad5c1bbd979c77fed65ec2
ripemd-160 b01ae4b7e7bcb362fe705f58f2fc9840034501df

21105812 as geometric shapes

Circle

Radius = n
Diameter 42211624
Circumference 132611727.85449
Area 1.3994390985461E+15

Sphere

Radius = n
Volume 3.938173135915E+22
Surface area 5.5977563941843E+15
Circumference 132611727.85449

Square

Length = n
Perimeter 84423248
Area 445455300179344
Diagonal 29848125.575297

Cube

Length = n
Surface area 2672731801076064
Volume 9.4016958199888E+21
Space diagonal 36556338.718997

Equilateral Triangle

Length = n
Perimeter 63317436
Area 1.9288780310287E+14
Altitude 18278169.359498

Triangular Pyramid

Length = n
Surface area 1.9288780310287E+14
Volume 1.1080004781612E+21
Height 9949375.1917656