Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

21105861 (number)

21105861 is an odd 8-digits composite number following 21105860 and preceding 21105862. In scientific notation, it is written as 2.1105861 × 10^7. The sum of its digits is 24. It has a total of 2 prime factors and 4 positive divisors. There are 12060480 positive integers (up to 21105861) that are relatively prime to 21105861.

Interesting facts

21105861 has 4 divisors, whose sum is 22110924
The reverse of 21105861 is 16850112
Previous prime number is 21

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6

Name

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

Notation

Scientific notation	2.1105861 × 10^7
Engineering notation	2.1105861 × 10^6

Prime Factorization of 21105861

Prime Factorization 21 × 1005041

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21105861	Product of the distinct prime numbers

The prime factorization of 21105861 is 21 × 1005041. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 8, 80, 59, 861, 742, 7999, 6575, 26811, 27679, 14524, 339284, 1201812, 4640761, 62954677, 10031876, 800688221, 67285258, 4913835077, 2298921996

Basic calculations (n = 21105861)

Multiplication

n×y

n×2	42211722
n×3	63317583
n×4	84423444
n×5	105529305

Division

n÷y

n÷2	10552930.5
n÷3	7035287
n÷3	5276465.25
n÷5	4221172.2

Exponentiation

n^y

n²	445457368551321
n³	9.40176130207E+21
n⁴	1.9843226719667E+29
n⁵	4.1880838493677E+36

Nth Root

^y√n

²√n	4594.1115572002
³√n	276.35523205039
⁴√n	67.779875753797
⁵√n	29.16625138826

Divisors of 21105861

1, 21, 1005041, 21105861

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	-21105860	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 21105861 can be divided by 4 positive divisors. The sum of these divisors (counting 21105861) is 1, the average is 0.25.

Base conversion 21105861

Base	System	Value
2	Binary	1010000100000110011000101
3	Ternary	1110201021210120
4	Quaternary	1100200303011
5	Quinary	20400341421
6	Senary	2032212153
8	Octal	120406305
10	Decimal	21105861
12	Duodecimal	709a059
16	Hexadecimal	1420cc5
20	Vigesimal	6bi4d1
36	Base36	ckddx

Cryptographic Hash Functions

md5	20ef4370f72b497c8730cc93b189355b
sha1	1d7c416a8276b8b238c1b3ecbab612723ce9680a
sha256	5c9d78f4b1bfd173f830053a327b5125e9221c8ff00a1770ce204b841e5176fa
sha512	278e7fec0501be83c30d52bd560b764284e6fa1aa7d457395ea5a64ec51d329cce55a7c2178eefe0b356e38d1493fb79f1da9382d3e05589a4f09678d782d46a
ripemd-160	7e98d4772c988d9350ac82b085fe7601bc8f36db

21105861 as geometric shapes

Circle

Radius = n

Diameter	42211722
Circumference	132612035.73057
Area	1.3994455965283E+15

Sphere

Radius = n

Volume	3.938200564985E+22
Surface area	5.5977823861131E+15
Circumference	132612035.73057

Square

Length = n

Perimeter	84423444
Area	445457368551321
Diagonal	29848194.871761

Cube

Length = n

Surface area	2672744211307926
Volume	9.40176130207E+21
Space diagonal	36556423.589486

Equilateral Triangle

Length = n

Perimeter	63317583
Area	1.9288869873421E+14
Altitude	18278211.794743

Triangular Pyramid

Length = n

Surface area	1.9288869873421E+14
Volume	1.1080081952985E+21
Height	9949398.2905871